Port St. Lucie, FL · St. Lucie County
Turn your garage into a bedroom, office, or family room the right way — licensed, permitted, and built to Florida Building Code, so the added space actually counts toward your home's value.
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Garage Conversion Cost in Port St. Lucie
Whether you're searching "garage conversion cost," "convert garage to living space," "turn garage into living space," or "garage conversion contractors near me," you're looking for the same thing: a licensed team that gives you a real number, not a range that grows once demo starts. D&Co Homes is a full-service garage conversion contractor — not a referral service — so the price we quote is the price a licensed crew actually charges to do the work.
Here's what garage conversion cost in Port St. Lucie typically looks like, broken out by scope:
If you've been comparing "garage remodel cost" or "garage renovation cost" quotes and getting wildly different numbers, the most common reason is scope hidden in the fine print — one contractor's "conversion" includes a permit and inspection, another's doesn't. We put the exact scope in writing before you sign.
Permits & Regulation in Port St. Lucie
The City of Port St. Lucie and St. Lucie County both require a full building permit for a garage conversion, since it's a change of use under the Florida Building Code rather than a cosmetic renovation. That means an egress window for any room used as a bedroom, 7-foot minimum ceiling height, insulation and HVAC upgrades meeting current energy code, and a final inspection before the added space counts toward the home's legal square footage.
Wind-Borne Debris Region: St. Lucie County is not in the HVHZ — it falls under Florida's standard Wind-Borne Debris Region. Any window or door installed in the new exterior wall that replaces your garage door opening needs Florida Product Approval documentation for impact resistance, but not the Miami-Dade/Broward NOA process.
Many South Florida garages also sit at or below Base Flood Elevation (BFE). If yours does, the conversion can trigger FEMA flood-venting or elevation requirements — a step that's easy to miss and expensive to fix after the fact. We check flood zone status before writing your quote, not after.
Sources: City of Port St. Lucie Building Permits, St. Lucie County Permitting/Zoning
Know Who's Working In Your Home
St. Lucie County has seen one of its most serious contractor fraud cases in recent memory, with a local business owner arrested on construction fraud charges after taking payment from homeowners for work never completed. Port St. Lucie police have also issued public warnings about unlicensed contractors soliciting residents directly.
Unpermitted garage conversions carry a specific financial risk beyond fines: most homeowner's insurance policies exclude unpermitted work entirely. If your converted garage suffers hurricane or water damage and an adjuster discovers there was never a permit on file, that portion of the claim can be denied outright — and some carriers have canceled policies after finding an unpermitted conversion during an inspection. Before hiring anyone for a garage conversion in Port St. Lucie, verify their license number directly at myfloridalicense.com, and confirm they intend to pull a permit, not skip it.
Sources: NICB: Port St. Lucie business owner arrested for construction fraud, WPTV: Port St. Lucie police warn of unlicensed contractor solicitations
Materials & What To Prioritize
If you're comparing quotes or thinking about handling any of the finish-out work yourself, here's what we'd prioritize, in order:
We're happy to handle all of this as part of a fixed-price quote — but if you're weighing what to prioritize yourself, that's the order we'd give you.
Common Questions
A garage conversion in Port St. Lucie typically runs $18,000–$65,000, depending on garage size and scope. A single-car garage converted to a basic bonus room runs $18,000–$28,000; a single-car garage converted to a studio ADU with kitchenette and bathroom runs $32,000–$48,000. A double garage converted to bonus/flex space runs $28,000–$40,000, and a double garage converted into a full accessory dwelling unit runs $40,000–$65,000. We give a written, fixed-price quote after seeing the space, not a phone estimate.
Yes. Converting a garage into habitable space is a change of use under the Florida Building Code, which means a full building permit is required in Port St. Lucie — not a simple cosmetic-renovation permit. Skipping this step means the added square footage never counts toward your home's legal, appraised value.
Not automatically. A garage conversion turns your existing garage into additional habitable space — a bedroom, office, or family room — that's still part of your primary home. It only becomes a legal Accessory Dwelling Unit (ADU) if it includes its own kitchen, bathroom, and separate entrance, and meets your city's ADU zoning and parking rules. We can scope either version depending on what you actually need.
Many South Florida garages sit below Base Flood Elevation (BFE). If yours does, converting it to habitable space can trigger elevation or flood-venting requirements under FEMA and local floodplain rules, and skipping that step can jeopardize your flood insurance eligibility later. We check this before writing your quote.
St. Lucie County is not in the HVHZ — it falls under Florida's standard Wind-Borne Debris Region. Any window or door installed in the new exterior wall that replaces your garage door opening needs Florida Product Approval documentation for impact resistance, but not the Miami-Dade/Broward NOA process.
It depends on scope: a basic conversion (insulation, drywall, flooring, closing in the garage door opening) runs lowest; adding a bedroom with an egress window and closet is the most common project we quote; and a conversion with a bathroom or kitchenette added runs highest. We give every client a written, fixed-price quote after seeing the space, not a phone estimate.
Search the contractor's name or license number at myfloridalicense.com. D&Co Homes' license is CGC1531095 — you can verify it there directly.
Florida Licensed General Contractor · CGC1531095
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