{"id":30116,"date":"2026-08-09T14:07:01","date_gmt":"2026-08-09T14:07:01","guid":{"rendered":"https:\/\/ark7.com\/blog\/?p=30116"},"modified":"2026-08-09T14:10:46","modified_gmt":"2026-08-09T14:10:46","slug":"adu-builders-miami","status":"publish","type":"post","link":"https:\/\/ark7.com\/blog\/learn\/cities\/adu-builders-miami\/","title":{"rendered":"9 Best ADU Builders in Miami &#8211; 2026"},"content":{"rendered":"\n<p>Miami-Dade homeowners considering an ADU to generate rental income, accommodate extended family, or maximize the use of their property must navigate several local requirements, including parcel-specific zoning rules, minimum lot-size standards, High-Velocity Hurricane Zone construction codes, and a permitting process where local expertise can make a meaningful difference.<\/p>\n\n\n\n<p>For readers who want exposure to residential real estate without taking on a construction project,<a href=\"https:\/\/ark7.com\/\"> Ark7<\/a> provides access to fractional interests in professionally managed rental-property series. Shares can start as low as $20, depending on offering availability and investor eligibility.<\/p>\n\n\n\n<p>This guide highlights nine companies that build ADUs throughout Miami-Dade County, based on publicly available company information reviewed in 2026. Because pricing, project timelines, wind-resistance specifications, service areas, and licensing details can change, prospective customers should verify current information directly with each company before entering into an agreement.<\/p>\n\n\n\n<div class=\"bg-blue-grey-1 padding-32px border-radius-12px margin-20px-t margin-20px-b\">\t \n  <div class=\"bg-white text-center padding-20px-v border-radius-8px\">\t \n    <h3 class=\"margin-auto display-block\">New to passive real estate investing?<\/h3>\t \n    <a class=\"margin-auto a7-button\" href=\"https:\/\/ark7.com\/?tc=K8L9N\" target=\"_blank\" rel=\"noopener\">Explore Ark7 Opportunities<\/a>\t \n  <\/div>\t \n<\/div>\n<div class=\"ark7-property-list padding-20px-v margin-20px-t margin-20px-b\" data-tags=\"SEOWidgetFeatured\" data-tc=\"K8L9N\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key Takeaways<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In unincorporated Miami-Dade, ADUs may be permitted on qualifying single-family properties in AU, EU, and RU districts, plus certain GU properties, subject to county eligibility requirements.<\/li>\n\n\n\n<li>Qualifying lots must generally contain at least 7,500 square feet and sit inside the Urban Development Boundary, with one accessory unit permitted per property.<\/li>\n\n\n\n<li>In RU-1 districts, Miami-Dade identifies a 400 to 800 square foot ADU size range, so larger manufacturer models may not qualify on those properties.<\/li>\n\n\n\n<li>A separate, annually renewable Certificate of Use is required before occupancy of the ADU.<\/li>\n\n\n\n<li>Required design wind speeds depend on the site, building risk category, and current Florida Building Code and ASCE 7 criteria, rather than a single universal rating.<\/li>\n\n\n\n<li>Miami-Dade operates a pre-approved ADU Blueprint program intended to streamline permitting, though the county does not guarantee a specific reduction in review time.<\/li>\n\n\n\n<li><a href=\"https:\/\/ark7.com\/\">Ark7<\/a> offers fractional shares in professionally managed rental properties starting at $20 per share, subject to offering availability and eligibility.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How This List Was Compiled<\/strong><\/h2>\n\n\n\n<p>This list was assembled from publicly available company information rather than a scoring model, and no ranking is implied by the order below. The companies were compared on hurricane and HVHZ experience, Miami-Dade permitting familiarity, construction methodology, pricing transparency, and verifiable customer feedback. Company-published pricing, wind ratings, project counts, and review scores are labeled as such throughout. Verify licensing through Florida DBPR and confirm current pricing directly with each firm before contracting.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Miami-Dade ADU Rules to Understand First<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Where ADUs are allowed<\/strong>: In unincorporated Miami-Dade, accessory dwellings may be permitted on qualifying single-family properties in AU, EU, and RU districts, as well as certain GU properties trended to those districts. Incorporated municipalities may apply their own standards.<\/li>\n\n\n\n<li><strong>Lot size and location<\/strong>: Qualifying lots must generally contain at least 7,500 square feet and sit inside the Urban Development Boundary.<\/li>\n\n\n\n<li><strong>Quantity<\/strong>: One accessory unit is permitted per qualifying property, on the same lot as the main home.<\/li>\n\n\n\n<li><strong>Size<\/strong>: Maximum size depends on lot size and zoning district. In RU-1, the county identifies a 400 to 800 square foot range.<\/li>\n\n\n\n<li><strong>Certificate of Use<\/strong>: A separate, annually renewable Certificate of Use is required before occupancy, not merely before renting.<\/li>\n\n\n\n<li><strong>Construction standards<\/strong>: Miami-Dade sits within Florida&#8217;s High-Velocity Hurricane Zone. Required design wind speeds and assemblies depend on the site and building risk category under the current Florida Building Code.<\/li>\n\n\n\n<li><strong>Permitting<\/strong>: Third-party sources commonly place ADU permitting at several months, but timing varies by jurisdiction, plan completeness, site conditions, and whether a pre-approved county blueprint is used.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>9 ADU Companies Operating in Miami for 2026<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Mesocore (Fast Installation, Storm-Ready Design)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami-Dade County and statewide Florida<\/p>\n\n\n\n<p><strong>Type:<\/strong> Prefab\/Modular Manufacturer<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Company-published $129,000 to $189,000 installed<\/p>\n\n\n\n<p><strong>Installation:<\/strong> Advertised 10-day on-site installation after permits and site preparation<\/p>\n\n\n\n<p>Mesocore offers factory-built modular units engineered for Florida weather exposure, with a short on-site phase relative to site-built construction.<\/p>\n\n\n\n<p><strong>What Sets Mesocore Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Model E advertised at a 180 mph wind rating, with actual design wind speeds set by site and risk category<\/li>\n\n\n\n<li>Integrated 6-KW solar system with lithium battery backup<\/li>\n\n\n\n<li>Model E at approximately 420 square feet with a factory MSRP starting at $129,000 including solar<\/li>\n\n\n\n<li>Larger models are offered, though RU-1 ADUs are limited to 400 to 800 square feet, so those units may not qualify on such lots<\/li>\n\n\n\n<li>Federal tax incentives for residential solar changed after 2025, and the IRS states the Residential Clean Energy Credit is unavailable for property placed in service after December 31, 2025<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Goshen Tiny Homes (Block-Built Construction)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami, Tampa, Orlando, St. Petersburg, West Palm Beach, Sarasota, Jacksonville<\/p>\n\n\n\n<p><strong>Type:<\/strong> On-Site Block Construction<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Approximately $150,000 to $300,000 and above, varying by specification<\/p>\n\n\n\n<p><strong>License:<\/strong> Florida DBPR records show qualifying contractor license CRC1335198 issued February 28, 2025<\/p>\n\n\n\n<p>Goshen performs concrete block construction on-site, which removes the delivery and crane constraints that affect modular products on tight lots.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Site-built block ADUs become permanent improvements when legally permitted and completed; their contribution to appraised value depends on local comparable sales and appraisal methodology<\/li>\n\n\n\n<li>Company-advertised &#8220;Smart Guarantee&#8221; covering approval outcomes and deadline overruns<\/li>\n\n\n\n<li>The company reports more than 10 years of prior construction experience among its team, distinct from the company&#8217;s own operating history<\/li>\n\n\n\n<li>The company reports a #1 BusinessRate ranking, though the category, geography, and ranking date are not stated in its published materials<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Trusst Construction (Published Tiered Pricing)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami-Dade County<\/p>\n\n\n\n<p><strong>Type:<\/strong> Design-Build<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Company-published $133,000 to $289,000 for a 500 square foot detached ADU<\/p>\n\n\n\n<p><strong>Address:<\/strong> 19790 West Dixie Highway, Miami, FL 33180<\/p>\n\n\n\n<p>Trusst publishes a comprehensive ADU cost guide broken into finish tiers, which is unusual transparency in this market.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Three published finish tiers: standard at $133,000 to $189,000, mid-range at $175,000 to $221,000, premium at $229,000 to $289,000<\/li>\n\n\n\n<li>Company-reported 5.0 star Google rating across 38 reviews<\/li>\n\n\n\n<li>Associated with Florida license CBC1269717 in available contractor records<\/li>\n\n\n\n<li>Experience with Miami-Dade overlay districts including CHHA, Wellfield Protection, and Historic Preservation<\/li>\n\n\n\n<li>Company-stated timelines of 6 to 18 months from pre-application to final inspection<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Black Wall Builders (Custom and Premium Finishes)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami, Coral Gables, Miami Beach, and South Florida<\/p>\n\n\n\n<p><strong>Type:<\/strong> Custom Design-Build<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Company-published $120,000 to $300,000 and above<\/p>\n\n\n\n<p><strong>Timeline:<\/strong> Company-stated 6 to 12 months from consultation to Certificate of Occupancy<\/p>\n\n\n\n<p>Black Wall Builders markets a broad range of ADU configurations for buyers seeking custom design and higher-end specification.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nine listed ADU categories including detached, garage conversion, pool house, two-story, prefab, multigenerational, JADU, and hurricane-resistant units<\/li>\n\n\n\n<li>Design through Certificate of Occupancy service<\/li>\n\n\n\n<li>Company states it has operated since 2016<\/li>\n\n\n\n<li>Garage conversions advertised at $60,000 to $130,000<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Florida Made Tiny Homes (Shell and Finished Options)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Statewide Florida including Fort Lauderdale, West Palm Beach, Boca Raton, Delray Beach<\/p>\n\n\n\n<p><strong>Type:<\/strong> On-Site Block Construction<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Shell models advertised at roughly 60% of finished unit cost<\/p>\n\n\n\n<p>Florida Made offers a shell option that lets capable homeowners complete interior finishes themselves, lowering the entry point considerably.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Concrete block construction that avoids crane or oversized delivery access<\/li>\n\n\n\n<li>Company-advertised materials, including dimensional composition shingles, Milgard windows, and quartz countertops<\/li>\n\n\n\n<li>One-year workmanship warranty, 15 detached floor plans, and financing through lending partners<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Artesa Build &amp; Design (Garage Conversion Focus)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami, Fort Lauderdale, West Palm Beach<\/p>\n\n\n\n<p><strong>Type:<\/strong> Conversion Specialist<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Approximately $60,000 to $180,000 for garage conversions, based on published market estimates<\/p>\n\n\n\n<p><strong>Address:<\/strong> 1645 Palm Beach Lakes Blvd, Suite 1200-1, West Palm Beach, FL 33401<\/p>\n\n\n\n<p><strong>Phone:<\/strong> (561) 678-2142<\/p>\n\n\n\n<p>Where lot size or setbacks restrict new construction, converting an existing garage is often the lowest-cost route to an accessory unit.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Company-advertised 24-month, 0% interest financing<\/li>\n\n\n\n<li>Multi-location presence across South Florida<\/li>\n\n\n\n<li>Design-to-construction services with layouts adapted to existing structures<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Mount Olympus Construction (Block Builds with Financing)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> Miami-Dade and Broward County<\/p>\n\n\n\n<p><strong>Type:<\/strong> Design-Build<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Quote-based<\/p>\n\n\n\n<p><strong>Phone:<\/strong> 786-317-0031 (Miami-Dade), 954-553-2037 (Broward)<\/p>\n\n\n\n<p>Mount Olympus offers block construction with hurricane-resistant features and dual-county coverage.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Four ADU types: detached, attached, second-floor additions, and garage conversions<\/li>\n\n\n\n<li>Licensed and insured, with stated compliance to city and county regulations<\/li>\n\n\n\n<li>Financing available with approved credit<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8. Miami-Dade ADU, Dan Villa Architect (Design and Permitting)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> South Florida<\/p>\n\n\n\n<p><strong>Type:<\/strong> Design and Permitting Only<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Design fees only, with construction contracted separately<\/p>\n\n\n\n<p><strong>Address:<\/strong> 400 Northwest 123rd Street, North Miami, FL 33168<\/p>\n\n\n\n<p>This is a different service model from the turnkey builders above: you receive plans and permitting support, then hire your own licensed contractor.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Licensed architect designs intended to meet HVHZ requirements<\/li>\n\n\n\n<li>Plans sized within the 400 to 800 square foot RU-1 ADU range<\/li>\n\n\n\n<li>Pre-approved designs may streamline plan review, although the county does not guarantee a specific reduction in approval time<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>9. Stoneledge ADU Builders (South Miami-Dade Focus)<\/strong><\/h3>\n\n\n\n<p><strong>Service Area:<\/strong> South Florida, based in Cutler Bay<\/p>\n\n\n\n<p><strong>Type:<\/strong> Design-Build and Remodeling<\/p>\n\n\n\n<p><strong>Pricing:<\/strong> Quote-based<\/p>\n\n\n\n<p><strong>Address:<\/strong> 11045 SW 216th St, Miami, FL 33170<\/p>\n\n\n\n<p>Stoneledge pairs ADU construction with home remodeling, which suits owners coordinating an accessory unit alongside main house updates.<\/p>\n\n\n\n<p><strong>What Sets It Apart:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ADU construction paired with home remodeling services<\/li>\n\n\n\n<li>Detached ADUs, granny flats, kitchen remodels, and full renovations<\/li>\n\n\n\n<li>Local familiarity with Cutler Bay and surrounding South Miami-Dade areas<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Choose the Right ADU Builder<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>By budget<\/strong>: Garage conversions start lowest at roughly $60,000 to $130,000 per builder estimates, modular units run about $129,000 to $189,000 installed, and site-built detached construction commonly reaches $180,000 to $350,000. Design-and-permitting packages sit outside these ranges entirely, since construction is contracted separately.<\/li>\n\n\n\n<li><strong>By timeline<\/strong>: Modular installation is short, with one manufacturer advertising 10 days on site, but design, permitting, factory production, site work, and utility connections extend the total schedule considerably. Site-built projects commonly run 6 to 18 months per builder-published figures.<\/li>\n\n\n\n<li><strong>By geography<\/strong>: Miami-Dade County is served by Mesocore, Trusst, Black Wall, and Mount Olympus; South Miami-Dade by Stoneledge; and the broader South Florida corridor by Artesa and Florida Made.<\/li>\n\n\n\n<li><strong>By construction method<\/strong>: Modular offers a short on-site phase and predictable unit pricing, block construction avoids delivery constraints and creates a permanent improvement, and design-only packages shift build risk to a contractor you select.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Questions to Ask Any Miami ADU Builder<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Does my parcel sit in a qualifying district, inside the UDB, and meet the 7,500 square foot minimum?<\/li>\n\n\n\n<li>What ADU size does my zoning district actually allow?<\/li>\n\n\n\n<li>Does your quoted timeline cover installation only or the full project through Certificate of Use?<\/li>\n\n\n\n<li>Do you perform construction, or do you sell plans and permitting only?<\/li>\n\n\n\n<li>What design wind speed applies to my site and risk category, and who confirms it?<\/li>\n\n\n\n<li>What warranty covers workmanship, and can you supply recent Miami-Dade references?<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Financing an ADU in Miami<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Home equity options<\/strong>: HELOCs allow drawing funds as needed during construction at variable rates. Interest may be deductible in certain circumstances when funds are used to buy, build, or substantially improve the qualified residence securing the loan, subject to applicable limits. Consult current IRS guidance or a tax professional.<\/li>\n\n\n\n<li><strong>Home equity loans<\/strong>: A lump sum at a fixed rate, disbursed once, with predictable monthly payments.<\/li>\n\n\n\n<li><strong>Cash-out refinance<\/strong>: Replaces an existing mortgage with a larger loan. Compare the blended cost against alternatives, since replacing a low-rate mortgage can raise total borrowing costs.<\/li>\n\n\n\n<li><strong>Construction loans<\/strong>: Structured for building projects and converting to permanent financing at completion, typically requiring detailed bids and plans.<\/li>\n\n\n\n<li><strong>Builder programs<\/strong>: Artesa advertises 24-month, 0% interest plans, Mount Olympus works with lending partners, and Florida Made connects customers with financing through its partner network.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Comparing ADUs and Fractional Real Estate<\/strong><\/h2>\n\n\n\n<p>Building an ADU can create rental-income potential and may contribute to a property&#8217;s value, though the amount varies by market, size, construction cost, permitted status, and appraisal methodology. It also requires substantial upfront capital, months of project management, and ongoing landlord responsibilities.<\/p>\n\n\n\n<p><strong>ADU considerations:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Actual ADU rents vary substantially by neighborhood, bedroom count, size, condition, and lease terms. Some Miami builders advertise roughly $1,500 to $4,500 monthly, though these are company-supplied estimates rather than independent rental-market data.<\/li>\n\n\n\n<li>Any payback figure should be stated as a gross calculation. A $180,000 ADU renting for $1,500 monthly produces $18,000 in gross annual rent, a 10-year payback on gross rent alone, but applying a 25% to 35% operating expense range implies roughly 13 to 15 years before financing costs and taxes.<\/li>\n\n\n\n<li>A $150,000 garage conversion renting for $2,500 monthly produces $30,000 gross, about 5 years before expenses, or roughly 7 to 8 years under the same assumptions.<\/li>\n\n\n\n<li>Use current comparable rents for your own neighborhood and unit size rather than countywide ranges.<\/li>\n<\/ul>\n\n\n\n<p><strong>How fractional investing compares:<\/strong><\/p>\n\n\n\n<p>For those who prefer fractional real estate exposure rather than developing and managing an ADU directly,<a href=\"https:\/\/ark7.com\/\"> Ark7<\/a> is another model to consider:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Entry point as low as $20 per share, subject to offering availability and eligibility<\/li>\n\n\n\n<li>Cash distributions when available, subject to property performance, expenses, reserves, and offering terms<\/li>\n\n\n\n<li>Professional property selection and management<\/li>\n\n\n\n<li>Exposure across multiple markets rather than a single local property<\/li>\n\n\n\n<li>No construction timelines or permitting to manage<\/li>\n\n\n\n<li>Potential access to secondary trading, subject to holding periods, legal and state restrictions, platform availability, and market liquidity. Liquidity is not guaranteed, and investors should be prepared to hold shares indefinitely.<\/li>\n\n\n\n<li><a href=\"https:\/\/ark7.com\/ira\">Ark7 IRA options<\/a> support Traditional and Roth accounts, subject to IRA rules, custodian fees, and individual circumstances<\/li>\n<\/ul>\n\n\n\n<p>These are speculative securities involving substantial risk, including illiquidity, lack of diversification, and complete loss of capital.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h2>\n\n\n\n<p>Miami-Dade&#8217;s ADU market spans modular manufacturers, block-construction specialists, conversion firms, and design-only architects. The harder part is eligibility: the county&#8217;s rules turn on zoning district, lot size, and Urban Development Boundary status, and several models marketed across Florida would not qualify as accessory dwellings on an RU-1 lot.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why Miami Stands Out for ADU Projects<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Defined eligibility rules<\/strong>: The county publishes criteria for qualifying districts, the UDB, minimum lot size, and RU-1 unit sizes.<\/li>\n\n\n\n<li><strong>Streamlining efforts<\/strong>: The pre-approved ADU Blueprint program is designed to simplify plan review.<\/li>\n\n\n\n<li><strong>Multiple construction paths<\/strong>: Modular, block-built, garage-conversion, and design-only routes span a wide cost range.<\/li>\n\n\n\n<li><strong>Established builder market<\/strong>: Multiple licensed contractors actively market ADU services across Miami-Dade and Broward.<\/li>\n\n\n\n<li><strong>Storm-resilient standards<\/strong>: HVHZ requirements push design and materials toward durability.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Investor Tips for Miami ADU Projects<\/strong><\/h3>\n\n\n\n<p>Start with eligibility rather than design. Confirm your zoning district, lot square footage, and Urban Development Boundary status before commissioning plans, since the 7,500 square foot minimum and the RU-1 size range can rule out a project early. Verify every contractor license through Florida DBPR and ask for permit history in your municipality. Ask whether a quoted timeline covers installation only or the full project, because the difference can be many months. Confirm whether a firm performs construction or only sells plans and permitting, since that changes who carries build risk. When modeling returns, separate gross rent from net income and treat any property-value uplift as something a local appraiser confirms.<\/p>\n\n\n\n<p>For those who prefer residential real estate exposure without a construction project,<a href=\"https:\/\/ark7.com\/\"> Ark7<\/a> offers fractional interests in rental-property series starting at $20 per share, subject to offering availability and eligibility.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Frequently Asked Questions<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How much does it cost to build an ADU in Miami?<\/strong><\/h3>\n\n\n\n<p>Costs vary widely by construction method. Builder-published figures place garage conversions at roughly $60,000 to $130,000, modular units at about $129,000 to $189,000 installed, and new detached site-built construction at roughly $180,000 to $350,000. Some Miami-area builders estimate that hurricane-zone requirements add 15% to 20% to construction costs, though premiums vary by design and site and no authoritative cost study establishes a universal figure. Treat all published figures as planning estimates rather than quotes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Can I build an ADU on any residential property in Miami?<\/strong><\/h3>\n\n\n\n<p>No. In unincorporated Miami-Dade, ADUs may be permitted on qualifying single-family properties in AU, EU, and RU districts, plus certain GU properties trended to those districts, and the property must sit inside the Urban Development Boundary. Qualifying lots must generally contain at least 7,500 square feet, only one accessory unit is allowed per property, and it must sit on the same lot as the primary residence. Homeowner associations may impose further restrictions, so review CC&amp;Rs before commissioning design work.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What size ADU can I build in Miami-Dade?<\/strong><\/h3>\n\n\n\n<p>Maximum size depends on lot size and zoning district. In RU-1 districts, Miami-Dade identifies a 400 to 800 square foot ADU size range, which means several manufacturer models marketed across Florida would not qualify as accessory dwellings on those lots. Confirm the applicable limit for your specific district before selecting a model or plan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How long does the ADU process take from start to finish?<\/strong><\/h3>\n\n\n\n<p>Third-party estimates commonly place Miami-Dade permitting at several months, though duration depends on jurisdiction, plan completeness, site conditions, and whether a pre-approved county blueprint is used. Modular projects move quickly once permits are issued, with manufacturers advertising installation in as little as 10 days, while site-built and block projects generally run 6 to 18 months from design through Certificate of Occupancy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What permits do I need before starting ADU construction?<\/strong><\/h3>\n\n\n\n<p>Miami-Dade requires a building permit for the structure, supported by plans meeting the current Florida Building Code and High-Velocity Hurricane Zone provisions, plus electrical, plumbing, and mechanical permits. Properties in overlay districts such as the Coastal High Hazard Area, Wellfield Protection zones, or Historic Preservation areas face added reviews. After construction, a separate, annually renewable Certificate of Use is required before occupancy.<\/p>\n\n\n\n<p><em>Neither Ark7 nor Ark7 Properties is a broker-dealer or an investment adviser. Dalmore Group LLC, a registered broker-dealer and member FINRA\/SIPC, located at 525 Green Place, Woodmere, NY 11598, is the broker-dealer of record for Ark7, an issuer direct offering. Neither Ark7 nor Dalmore makes recommendations or provides advice about investments, and nothing here should be construed as a recommendation for any security. Investments on the Ark7 platform are speculative and involve substantial risks, including illiquidity, lack of diversification, and complete loss of capital. Cash distributions are not guaranteed and are subject to property performance, expenses, reserves, and offering terms. Past performance is no guarantee of future results. This article is for informational purposes only.<\/em><\/p>\n\n\n\n<div class=\"bg-blue-grey-1 padding-32px border-radius-12px margin-20px-t margin-20px-b\">\t \n  <div class=\"bg-white text-center padding-20px-v border-radius-8px\">\t \n    <h3 class=\"margin-auto display-block\">New to passive real estate investing?<\/h3>\t \n    <a class=\"margin-auto a7-button\" href=\"https:\/\/ark7.com\/?tc=K8L9N\" target=\"_blank\" rel=\"noopener\">Explore Ark7 Opportunities<\/a>\t \n  <\/div>\t \n<\/div>\n<div class=\"ark7-property-list padding-20px-v margin-20px-t margin-20px-b\" data-tags=\"SEOWidgetFeatured\" data-tc=\"K8L9N\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Miami-Dade homeowners considering an ADU to generate rental income, accommodate extended family, or maximize the use of their property must navigate several local requirements, including parcel-specific zoning rules, minimum lot-size standards, High-Velocity Hurricane Zone construction codes, and a permitting process where local expertise can make a meaningful difference. For readers who want exposure to residential &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/ark7.com\/blog\/learn\/cities\/adu-builders-miami\/\"> <span class=\"screen-reader-text\">9 Best ADU Builders in Miami &#8211; 2026<\/span> Read More \u00bb<\/a><\/p>\n","protected":false},"author":22,"featured_media":3815,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[167],"tags":[],"class_list":["post-30116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cities"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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