The Best ADU Builders in Tampa Bay, FL
Building an accessory dwelling unit involves more than construction. Zoning, permitting, site conditions, utilities, design, and the intended use of the space can all affect the project. This guide compares local ADU builders based on the information homeowners can actually verify before making a decision.

How We Selected the ADU Builders on This List
We looked at each company's Google Business Profile, official website, and Florida DBPR licensing information. We focused specifically on companies with documented ADU services in the Tampa Bay market rather than general contractors that simply mention additions or remodeling.
Google Reviews
We recorded each company's Google rating and review count from its public Google Business Profile. Review volume is included as context, not as a guarantee of construction quality.
ADU Experience
We looked for evidence that ADUs are an actual part of the company's services, including detached units, attached ADUs, garage conversions, in-law suites, and other accessory dwelling projects.
Licensing
Contractor license information was checked against Florida's DBPR records where available. Companies with information that could not be independently verified are identified rather than assigned a number.
Tampa Bay Coverage
We prioritized companies with documented service coverage in Tampa, St. Petersburg, Clearwater, Pinellas County, Hillsborough County, or the broader Tampa Bay area.
What Kind of ADU Are You Planning?
“ADU” can describe several different types of residential spaces. Before choosing a builder, make sure the company has experience with the type of unit you actually want to build.
Detached ADU
A separate structure located on the same residential property as the primary home.
Attached ADU
An independent living space connected to the main house, often through a shared wall or addition.
Garage Conversion
Converting an existing garage into a permitted living space can involve structural, electrical, plumbing, insulation, and permitting considerations.
In-Law Suite
An accessory living space designed for family members or guests, which may be attached to the primary residence or located in a separate structure.
Best ADU Builders in Tampa Bay
The companies below were selected based on their documented ADU services, local presence, public reviews, and licensing information. .
1. Tampa Bay ADU
Tampa Bay ADU specializes in accessory dwelling units and provides services covering property and feasibility review, ADU design and architecture, zoning and permitting, and construction coordination. The company serves homeowners across Pinellas, Hillsborough, Pasco, and Manatee counties.
Tampa Bay ADU is published as a brand associated with Built With Love, LLC. Its publicly listed contractor licenses are held by Built With Love, LLC rather than by a separate legal entity named Tampa Bay ADU. We are disclosing that relationship here so readers can understand who is behind the service.
Google:
Licenses: CBC1262892, CCC1334232, CAC1821934, CFC1431813, MRSA5411, MSR5437
Service Area: Pinellas, Hillsborough, Pasco & Manatee Counties
2. Craftline Remodeling
Craftline Remodeling offers a dedicated ADU service covering detached ADUs, attached ADUs, garage-conversion ADUs, and in-law suites. The company also provides design, permitting, and construction services and has one of the largest public Google review profiles among the builders compared here. Its website states that it has been serving Tampa Bay for 10 years.
Google: ★ 5.0 111 reviews
Licence: CBC1269114
Service Area: Tampa, St. Petersburg, South Tampa, Carrollwood
3. Construction Corps
Construction Corps is a licensed design-build general contractor serving the Tampa Bay area, with documented experience in ADU-related projects. One of its more distinctive services is helping homeowners legalize existing or unpermitted ADUs through “after-the-fact” permitting. That can make the company particularly relevant for homeowners who already have an accessory structure that was built without the required approvals.
Google: ★ 5.0 113 reviews
License: CGC1530192
Service Area: Clearwater, St. Petersburg, Dunedin, Largo, Tampa & Riverview
4. CASK Construction
CASK Construction is one of the more explicitly ADU-focused companies in this comparison. Its website brands the company as a custom home and ADU builder, while Google reviews specifically reference ADU and garage-apartment projects. The company is based in St. Petersburg and has a current Florida general contractor license.
Google: ★ 5.0 28 reviews
License: CGC1526342
Service Area: St. Petersburg & Tampa Bay neighborhoods
5. TomCo Solutions
TomCo Solutions is a full-service remodeling contractor that also provides ADU design and construction. Its website specifically states that the company designs and builds ADUs that work with the existing property. The company serves Tampa and St. Petersburg and has a current Florida residential contractor license.
Google: ★ 5.0 34 reviews
License: CRC1332920
Service Area: Tampa & St. Petersburg
6. Elite Builder Renovations
Elite Builder Renovations offers detached backyard suites, garage-to-ADU conversions, ADU permitting, and other renovation services. The company has a dedicated ADU page and an active Tampa Google Business Profile. However, its public records contain an address discrepancy that homeowners should resolve before hiring.
Google: ★ 5.0 60 reviews
License: CGC1537676
Service Area: Tampa, St. Petersburg, Clearwater, Lutz, Wesley Chapel & Brandon
Compare Tampa Bay’s Top ADU Builders
Before You Hire an ADU Builder
1. Check whether your property qualifies
ADU regulations can vary by municipality, zoning district, lot characteristics, and existing structures. Confirm what is actually permitted on your property before committing to a design.
2. Verify the contractor's license
Search the contractor through Florida DBPR and confirm the current status of the license.
3. Ask who handles permitting
Find out whether the builder manages zoning, architectural plans, permit applications, inspections, and revisions or whether those responsibilities fall to you.
4. Ask for ADU-specific examples
A contractor who builds homes is not necessarily experienced with ADUs. Ask to see completed projects similar to what you're planning.
5. Get the costs in writing
Ask what is included in the proposal and whether site work, utility connections, permitting, design, engineering, and other soft costs are included.
Our Recommended ADU Builder
After comparing these companies based on ADU experience, licensing, public reviews, and Tampa Bay coverage, Tampa Bay ADU is our recommended provider to explore if you're looking for an ADU-focused approach from planning and permitting through construction coordination.
