ADU Contractors in Florida
TEK Construction Group
1413 Hamlin Avenue, Saint Cloud, FL 34771
TEK Construction Group builds ADUs in St. Cloud, FL, including detached units, in-law suites & garage conversions. Costs range from $145K–$275K. Fixed-price contracts, full permits handled, 5–6 month timeline.
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Big Hammer Construction LLC
17028 SW 135th Ln, Archer, FL 32618
Big Hammer Construction LLC builds ADUs, backyard guest houses, in-law suites, and granny flats in Gainesville & Ocala, FL. Services include design, permits, and full construction for rental or family use.
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Castillo RemodelZone
1900 S Harbor City Blvd, Melbourne, FL 32901
Castillo RemodelZone is a woman-owned remodeling company in Melbourne, Florida, serving Brevard County with 25 years of experience. Services include kitchen, bathroom, ADU construction, garage conversions, flooring, home additions, and more.
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Eternity Buildings
5009 South Florida Avenue, Inverness, FL 34450
Eternity Buildings specializes in ADU and tiny home construction, offering backyard cottages, granny flats, casitas, and in-law suites. They handle permitting, site prep, design, and building code compliance for compact, efficient residential spaces.
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First Coast Construction USA Inc.
PO Box 47105, Jacksonville, FL 32247
Whether you’re thinking about an ADU home addition for a parent, guest space, or long-term tenant, we’ll help you plan and build without the usual delays or confusion. Our team handles permits, design, and construction while keeping you in the loop at every step. From the first walkthrough to final inspection, you’ll work with a reliable crew that shows up and gets the job done right.
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Florida Legacy Construction
4076 Florida 44, Wildwood, FL 34785
Florida Legacy Construction builds 6 ADU types in Central Florida: detached cottages, garage conversions, carriage houses, home additions, basement & interior conversions. Costs range $60K–$250/sqft. Projects take 6–12 months.
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Renovio Florida
13555 Automobile Boulevard, Clearwater, FL 33762
Renovio Florida is a construction and renovation company offering kitchen remodels, bathroom upgrades, flooring, painting, home additions, garage conversions, and ADU construction for residential and commercial clients statewide.
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XRC Florida
147 Parliament Loop, Lake Mary, FL 32746
XRC Florida is a licensed Florida construction company with 15+ years of experience in residential & commercial builds, remodels, roofing, and pool installation. Certified Latham & EcoPools installers. Flexible financing available.
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Williams Construction
4100 Spirit Lake Road, Winter Haven, FL 33880
At Williams Construction Company LLC, we specialize in home additions that not only increase your living space but also enhance the value and functionality of your home. Whether you’re considering a room addition, a second-story addition, or a garage addition, our team provides comprehensive home extension services tailored to meet your unique needs.
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Vercammen Contracting
Bradenton, FL 34203
Vercammen Contracting offers expert ADU construction in Sarasota & Manatee Counties, FL. Services include garage conversions, detached ADUs & basement renovations. Family-owned, veteran-owned, 30 years experience, free quotes & 1-year warranty.
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Built With Love
1700 4th Street South, St. Petersburg, FL 33701
Built With Love offers full-service ADU construction in Tampa Bay, FL. Licensed across multiple trades, they handle design, permitting, and building of detached ADUs and in-law suites, serving homeowners with 15+ years of experience.
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Mesocore
3715 Fiscal Court, West Palm Beach, FL 33404
Building an ADU in Gainesville requires careful cost analysis, as expenses vary significantly based on construction method and site conditions. Total turnkey costs for a 500 square foot detached unit range from $180,000 to $300,000 for traditional site-built construction, while modular options offer predictable factory pricing with faster installation timelines.
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Budron Homes
5401 South Kirkman Road, Orlando, FL 32819
Budron Homes offers customizable ADU model plans in Orlando, including detached ADUs, backyard cottages, in-law suites, granny flats, and garage conversions. Their experienced team delivers energy-efficient, quality builds tailored to each homeowner's needs.
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Coastlinez
Sarasota, FL 34236
Coastlinez offers ADU design and construction in Southwest Florida, handling permits, plans, and building. Services include garage conversions, in-law suites, and detached units, with financing options and full contractor support available.
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Quality Modernizing Services
475 Southeast 1st Avenue, Delray Beach, FL 33444
QMS builds ADUs in Palm Beach County, FL, covering site prep, foundation, framing, and utility connections. Serving Delray Beach & Boca Raton, they ensure full Florida Building Code compliance from slab to final inspection.
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Other cities in Florida
What you need to know
ADU Contractors in Florida: Navigating the Sunshine State's Unique Building Environment
Florida's warm climate, booming population growth, and high demand for affordable housing have made Accessory Dwelling Units (ADUs) increasingly popular across the state. With Florida being one of the fastest-growing states in the US, experienced ADU contractors in Florida are in high demand. The state's unique characteristics — including hurricane-prone weather, high humidity, and strict building codes — mean that constructing an ADU in Florida requires specialized knowledge and expertise that goes beyond standard residential construction.
Florida Building Codes and ADU Regulations
One of the most important factors that Florida ADU contractors must navigate is compliance with the Florida Building Code (FBC), which is updated every three years and sets strict standards for construction. Because Florida is highly susceptible to hurricanes and tropical storms, the FBC includes rigorous wind resistance requirements. ADUs must be built to withstand high-velocity wind zones, particularly in South Florida and coastal areas. Additionally, contractors must ensure compliance with local zoning ordinances, as ADU regulations vary significantly by county and municipality. Cities like Orlando, Tampa, Miami, and Jacksonville each have their own specific rules regarding setbacks, lot coverage, height restrictions, and utility connections.
Key Considerations for Building an ADU in Florida
When hiring ADU builders in Florida, homeowners should be aware of several critical factors that influence the construction process:
- Hurricane-resistant construction: ADUs must meet impact-resistant standards, including reinforced roofing, impact windows, and storm shutters where required.
- Flood zone compliance: Many Florida properties fall within FEMA-designated flood zones, requiring elevated foundations and flood-resistant materials.
- Humidity and moisture management: Florida's high humidity demands proper insulation, vapor barriers, and moisture-resistant building materials to prevent mold and structural damage.
- Energy efficiency standards: Florida enforces the Florida Energy Efficiency Code, requiring ADUs to meet specific insulation, HVAC, and window efficiency standards.
- Permitting requirements: All ADU construction in Florida requires proper permits from local building departments, including inspections at various stages of construction.
Types of ADUs Commonly Built in Florida
Experienced ADU contractors in Florida typically build several types of accessory dwelling units to suit the state's diverse housing needs:
- Detached ADUs: Standalone structures built in the backyard, popular in suburban areas of Central and South Florida.
- Garage conversions: Converting existing garages into livable spaces, common in older Florida neighborhoods.
- In-law suites: Attached additions to the primary home, ideal for multigenerational families.
- Above-garage apartments: Second-story units built above detached garages, maximizing lot usage.
Choosing the Right ADU Contractor in Florida
Selecting a qualified ADU contractor in Florida is essential to ensuring a successful project. Homeowners should verify that contractors hold a valid Florida State Certified Contractor license, issued by the Florida Department of Business and Professional Regulation (DBPR). Look for contractors with proven experience in local permitting processes, hurricane-resistant construction, and energy-efficient building practices. Requesting references, reviewing past ADU projects, and obtaining multiple quotes will help ensure you find the best professional for your specific needs and budget.