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 Hialeah Gardens
Hialeah Gardens runs on a different rhythm than the residential blocks of neighboring Hialeah. The warehouses, distribution hubs, and light-manufacturing shells along NW 87th Avenue and the Palmetto corridor dominate the skyline, and the people who own property here think in square footage, clear heights, and load ratings. When you’re ready to add living space, build an ADU, or convert a garage in Hialeah Gardens, you need a crew that understands Miami-Dade’s Notice of Acceptance rules and the high-water-table engineering underneath every slab. That’s the work we do every day. Call (877) 610-1318 and you’ll get Tom Barrett or one of his sons on the line, not a call center.
Why Barrett & Sons Construction Is Hialeah Gardens’s Preferred Home Additions & ADU Company
We’ve been building in Miami-Dade long enough to know that Hialeah Gardens is a compliance town. Every window, every roof tie, every sheet of underlayment has to carry a current NOA or the inspector sends it back. We pull permits on every eligible job and we schedule inspections like they’re part of the build, because around here they are. Homeowners and property investors in the 33012 ZIP tell us the same thing: the last contractor treated permits like a suggestion. We don’t.
Tom Barrett founded this company in 1998 and his sons run the crews. When we say we’ll be on-site in Hialeah Gardens, the person who shows up carries the Barrett & Sons name, has a background check on file, and answers to Tom directly. We serve the residential pockets off NW 103rd Street and the commercial owners along West Okeechobee Road with the same rule: scope in writing, allowances in writing, change orders in writing. If a material allowance isn’t on paper, it’s a surprise waiting for a date.
Our Home Additions & ADU team has built room additions, garage conversions, and detached units throughout Hialeah Gardens. We also serve Hialeah Gardens homeowners who need design work before the build. The 90-Day Done Right Promise rides on every contract: if something isn’t done right, one call brings Tom back to make it right. No fine print, no phone tree.
Our Home Additions & ADU Services in Hialeah Gardens
ADU Design & Permitting
Building an accessory dwelling unit in Hialeah Gardens starts with the ground, literally. The water table here sits high, close to the surface, and the shallow marl over Miami limestone means your foundation has to handle hydrostatic pressure and satisfy FEMA flood-zone elevation requirements. We handle the full design path: site evaluation, architectural drawings, Miami-Dade permit submittal, and the elevation certificate work that FEMA wants before the slab goes in. You don’t chase paperwork. We do.
Garage Conversion ADU
Many Hialeah Gardens homes have attached garages built into the original CBS block footprint from the 1970s through the 1990s. Converting that square footage into a rentable unit or an in-law suite often makes more financial sense than building new, especially on tight lots where setbacks leave little room. A garage conversion in Hialeah Gardens typically runs $30,000 to $80,000 depending on plumbing, electrical service, and whether you’re adding a kitchenette. The permit path is real, and we handle it start to finish.
New Detached ADU
For property owners with yard space, a new detached ADU is the strongest long-term play. In Hialeah Gardens, that means a concrete masonry or frame build engineered for Miami-Dade wind loads, impact-rated windows and doors, and a roofing system with a current NOA. A detached ADU here generally lands between $90,000 and $220,000. That range moves with size, finish level, and foundation type. Grade beams or elevated slabs are common once the soil report comes back.
Junior ADU & Interior Conversion
A junior ADU converts existing interior space, often a large bedroom, a den, or an enclosed patio, into a smaller independent living unit with its own entrance. In Hialeah Gardens’s CBS homes, this can be a smart way to add rental income without touching the exterior envelope. It’s also the fastest path to a permitted, legal second unit when the lot won’t support a detached build. We walk you through what Miami-Dade will approve, what it will cost on paper, and what the inspection schedule looks like before we open a single wall.
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 Hialeah Gardens
When we install windows and doors on a Hialeah Gardens addition or ADU, we’re not pulling mystery brands off a van. We work with Simonton, Ply Gem, PGT, and CGI, all of which carry Miami-Dade NOA approvals and hold up to the wind-load demands this county enforces. That matters in Hialeah Gardens because impact-rated glazing isn’t a luxury upgrade here; it’s the baseline the permit office expects. If you’re also considering Kitchen Remodeling in Hialeah Gardens as part of a larger addition, the same named-brand standard applies from countertops to cabinets. And when an ADU includes a bathroom, our Bathroom Remodeling in Hialeah Gardens crew brings the same permitting discipline to every drain and vent line.
Common Home Additions & ADU Problems We See in Hialeah Gardens Homes
- Foundation design that ignores the water table. Hialeah Gardens sits on the eastern edge of the Everglades transition zone. A slab poured without accounting for hydrostatic pressure or a missing FEMA elevation certificate can turn an ADU into a mold problem and a code violation. We spec grade beams, pilings, or elevated slabs from the start.
- Materials without a Miami-Dade NOA. Out-of-county crews bring in roofing, windows, or structural connectors approved in Broward but not Miami-Dade. The inspector catches it, and the material gets ripped out and re-bought. We source every product with a current NOA before it reaches your Hialeah Gardens job site.
- Unpermitted garage conversions discovered at sale. We see this often in Hialeah Gardens: a garage converted without permits years ago becomes a liability when the property changes hands. Legalizing the work, or rebuilding it correctly, is a service we handle regularly.
- Wind-load failures on additions. Miami-Dade’s post-Hurricane Andrew codes are among the strictest in the country. An addition with under-specified roof ties or non-impact glazing will fail inspection and cost more to fix after the fact than it would have cost to build right the first time.
Pricing for Home Additions & ADU in Hialeah Gardens, FL
A home addition in Hialeah Gardens runs $45,000 to $130,000, with the spread driven by square footage, foundation complexity, and finish level. A garage conversion ADU typically lands between $30,000 and $80,000, while a new detached ADU generally runs $90,000 to $220,000. The Hialeah Gardens market skews slightly higher than some neighboring communities because the high water table often means elevated slabs or grade beams, and because Miami-Dade’s NOA requirements push materials toward impact-rated products that cost more upfront. You won’t see a change in these numbers unless it arrives as a written change order before the work moves. Call (877) 610-1318 for a free estimate. We also offer a Free Second Opinion on Any Written Estimate, and a 10% Senior & Veteran discount is permanent.
We Also Serve Cities Near Hialeah Gardens
Our crews cover Hialeah Gardens and the surrounding communities, including Hialeah, Miami Lakes, Miami Springs, and Gladeview. If you’re near the Palmetto Expressway or West Okeechobee Road, you’re in our service area. For an overview of our full scope of work, visit our Home Additions & ADU service hub.
Serving Hialeah Gardens, FL - Our Local Coverage Area
We’re based in the Hialeah Gardens 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 Hialeah Gardens
We schedule free estimates in Hialeah Gardens within days, not weeks, and the person who answers the phone is a live person, 24/7. Call (877) 610-1318 and you’ll speak with someone who can put you on the schedule directly. There’s no trip charge inside the county.
We cover the entire 33012 ZIP, from the residential pockets near NW 103rd Street to the industrial corridor along West Okeechobee Road and the warehouse blocks off NW 87th Avenue. If you’re in Hialeah Gardens, we’re local to you.
Expect Hialeah Gardens pricing to run at the mid-to-upper end of Miami-Dade ranges. A home addition here runs $45,000 to $130,000, and the high water table plus NOA material requirements can push foundation and glazing costs above what you’d see in Hialeah or Miami Lakes. You’ll get exact numbers on paper before work starts. Call (877) 610-1318 for a free, written estimate.
Every job carries the 90-Day Done Right Promise in writing. If something isn’t done right, Tom Barrett comes back and makes it right, one call. That promise is printed on every Hialeah Gardens contract, not buried in fine print.
Yes. Permits are pulled and inspections signed on every eligible job. In Hialeah Gardens, skipping the permit isn’t a shortcut; it’s a lien risk and a sale-day disaster. The permit inspector works for you, not for us, and we schedule inspections like they’re part of the build. Call (877) 610-1318 to discuss your project.
Written by Tom Barrett, Owner at Barrett & Sons Construction, serving Hialeah Gardens and the surrounding Miami-Dade communities since 1998.