Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
After
Before
After
Before
AfterFast, Reliable Home Additions & ADU Across Leisure City
Adding square footage to a home in Leisure City means building to a standard that most of the country never has to think about. If you’re planning a room addition, a garage conversion, or a new detached ADU here, you need a contractor who understands Miami-Dade’s High-Velocity Hurricane Zone code the way a local does, because Leisure City is where that code was born. Home additions in this area typically run $45,000 to $130,000, and detached ADU construction usually falls between $90,000 and $220,000. Call (877) 610-1318 and we’ll walk your property, take real measurements, and give you a written line-item estimate before anything gets signed.
Why Barrett & Sons Construction Is Leisure City’s Preferred Home Additions & ADU Company
Tom Barrett founded this company in 1998, and his sons run the crews that work in Leisure City today. When we pull a permit for a room addition near Campbell Drive or a garage conversion off SW 152nd Avenue, the inspector sees a contractor whose license, address, and name are printed on the paperwork, not a hollow shell company that disappears after the final check clears. That matters in a community like Leisure City, where post-Andrew rebuilds created a housing stock where two homes on the same street can have completely different structural anchoring, and a contractor who doesn’t check the existing wall ties and Leisure City Roofing connections before adding on is guessing.
We answer our phone. You’ll get a live person at (877) 610-1318 any hour, any day, not an out-of-state call center. Our crews are background-checked and uniformed, and they carry the Barrett & Sons name on every visit. The 90-Day Done Right Promise is written on every contract Tom signs: if something isn’t right, one call brings him back to make it right. That’s the kind of guarantee that spread through Leisure City one kitchen addition and one mother-in-law suite at a time.
We also show up prepared for the ground we’re building on. A lot of Leisure City sits on Miami Limestone with a water table that can sit just inches below grade during the wet season. If a contractor pours a slab or stems walls without accounting for dewatering and soil saturation, the addition will fight the water forever. That’s the kind of thing you learn only by building here repeatedly.
Our Home Additions & ADU Services in Leisure City
ADU Design & Permitting
We handle the full design-and-permit path for ADUs in Leisure City, and the permit side is where we earn our keep. Miami-Dade product approval numbers are not optional here. A window or roof assembly approved for use elsewhere in Florida can be rejected on inspection if it lacks a Miami-Dade NOA, and that quirk traces directly back to the post-Andrew code overhaul centered on this community. Our Home Additions & ADU team navigates that approval process on your behalf and keeps the paperwork where it belongs: on file, not in your lap.
Garage Conversion ADU
Garage conversions in Leisure City typically land between $30,000 and $80,000, depending on whether the existing slab is usable or needs to be cut back and re-poured. The pre-Andrew CBS homes built between the 1960s and 1980s often have garage slabs that were never intended to support finished living space, and when the water table sits high, what looks like a cosmetic crack can be a sign of worse. We inspect, we test, and we tell you straight what the slab will and won’t carry before we quote a number.
New Detached ADU
A new detached ADU in Leisure City runs $90,000 to $220,000, and the range mostly comes down to foundation type, impact-rated openings, and connection details. The town sits at zero-lot grade with flat drainage typical of far-south Miami-Dade, which means the difference between a well-planned pad and a water problem is often six inches of grade and a properly placed swale. We coordinate site prep, utilities, and inspection scheduling so the project doesn’t stall because a permit reviewer came back with a question on Thursday afternoon and nobody answered until Monday.
Junior ADU & Interior Conversion
If a spare bedroom, den, or enclosed patio is getting converted into a junior ADU, the work can start as low as $45,000 depending on the existing plumbing and electrical. Interior conversions in Leisure City homes built before 1992 sometimes hide wall systems that were repaired rather than replaced after the storm, and we verify framing, anchoring, and moisture intrusion before we close a single wall. If the conversion touches a kitchen or bath, our Bathroom Remodeling in Leisure City crew can handle the wet walls and fixtures in the same scope, with the same written change orders.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Leisure City
We build with materials you can look up. GAF roofing underlayments and Schluter waterproofing systems show up on our Leisure City projects regularly, because both carry the Miami-Dade approvals this community requires and both perform in the humidity and rain this far south. When a customer wants a sunroom or enclosed patio addition, we spec windows and doors with the right NOA numbers the first time, not after the inspector flags them. If the project includes a kitchen line, we can also coordinate through our Kitchen Remodeling in Leisure City team for cabinets and countertops under the same contract.
Common Home Additions & ADU Problems We See in Leisure City Homes
- Post-Andrew structural patchwork. Homes in the 33033 zip code that took direct ground-level damage in August 1992 were repaired under a patchwork of early code interpretations. When we frame a second story addition, we verify the original roof-to-wall connections and wall ties first, because adding weight to a structure that was never re-anchored properly is a slow-motion failure.
- High water table fights the slab. Leisure City sits on Miami Limestone, and during the June-to-October wet season the water table can be inches below grade. Slab pours, stem walls, and underground utility work need dewatering and the right vapor barrier, or the floor will draw moisture for the life of the addition.
- Wrong product approvals stall the job. We regularly see Leisure City homeowners who got a great quote from an out-of-area contractor, only to have the inspector reject the windows or roofing because they lacked a Miami-Dade NOA. That delay can cost months and money, and it’s avoidable when the contractor pulls permits here regularly.
- Zero-lot-grade drainage leaves no room for error. The flat, low-grade lots common in this part of the county mean a poorly placed addition can redirect sheet flow toward the house instead of away from it. We grade, swale, and direct water deliberately on every project, because a home addition that holds water is a mold problem waiting for the first heavy rain.
Pricing for Home Additions & ADU in Leisure City, FL
Plan on $45,000 to $130,000 for a room addition in Leisure City, with detached ADU construction running $90,000 to $220,000. Garage conversions land between $30,000 and $80,000, and junior ADU or interior conversions typically start around $45,000. What moves the number most here is foundation work and impact-rated openings. A second story addition on a pre-Andrew CBS home costs more when the original wall ties and connections need retrofitting to current HVHZ standards, and that’s not a corner we’ll cut. Every scope item, allowance, and price change arrives as a written change order before the work happens. Call (877) 610-1318 for a free estimate on your specific project. We’ll give you numbers on paper, not a phone quote followed by a surprise invoice.
We Also Serve Cities Near Leisure City
Our crews work throughout the corridor that includes Homestead, Naranja, Florida City, and Princeton. We know these streets, and we know how the building department interprets the code in each of them. If you live in Leisure City or any neighboring community and you’re weighing an addition, an ADU, or a full garage conversion, call us at (877) 610-1318 and we’ll come look at the property.
Serving Leisure City, FL - Our Local Coverage Area
We’re based in the Leisure City area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Home Additions & ADU in Leisure City
A home addition in Leisure City typically costs $45,000 to $130,000, with detached ADUs running $90,000 to $220,000 and garage conversions between $30,000 and $80,000. The wide range comes down to foundation conditions on the Miami Limestone base, impact-rated window and door requirements, and whether the existing structure needs retrofitting to current High-Velocity Hurricane Zone standards. Call (877) 610-1318 and we’ll give you a written line-item quote for your exact scope.
Yes, and we do it on every eligible job. Miami-Dade product approval numbers, including NOA documentation for Windows & Doors in Leisure City, roofing materials, and other building components, are required for work in Leisure City, and we submit those approvals with the permit application so there are no inspection-day surprises. The permit inspector works for you, not for the contractor, and we like it that way.
Most room additions in Leisure City take three to seven months, depending on foundation work, permitting, and the inspection schedule. Weather during the June-to-October wet season can extend exterior phases, and dewatering on high-water-table lots adds time to slab and underground utility work. We give you a written schedule with every contract, and a written change order if the schedule changes for any reason.
Not unless you change the scope or we uncover a hidden condition that requires a written change order approved by you first. That’s the Barrett & Sons rule: every scope, every allowance, every price change on paper before a single nail moves. If a structural issue hides inside a wall, we photograph it, explain it, and give you a written number. You decide before we proceed.
Yes. Every job carries the written 90-Day Done Right Promise, and it’s on every contract Tom Barrett signs. If something isn’t done right, one call to (877) 610-1318 brings him back to make it right. That promise covers our workmanship, and we put it in writing because a handshake only means something if the person on the other end plans to be around to shake hands again.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Leisure City with permits pulled, inspections signed, and a 90-Day Done Right Promise on every job.