Home Addition Miami —
Licensed Room Addition Contractor Since 2006

We build room additions in Miami from the foundation up — second floors, garage conversions, great rooms, and ADUs. Engineered, permitted, and built by one in-house crew under a single contract. A fixed price before ground is broken, and an addition that matches the existing house.

Free · No obligations Price your remodel
Step 01 / 04
What are you remodeling?
Pick the closest match — you can change scope on the call.
Approximate footprint?
Rough is fine — we'll measure on the site visit.
160 sq ft · approximate
40160320500+
What's your timeline?
Helps us route to the right PM bench.
Where do we send the line-item version?
Senior PM reviews and emails back within one business day.
Thank you. Estimate locked in.
A senior PM (Carlos or David) will review your scope and email a line-item budget within one business day. Gil reads every submission personally.
No SMS spam. We don't share, sell, or resubmit your info. One follow-up call, that's it.
3,000+
Homes
Across South Florida
20+
Years experience
Licensed CGC1530409
4.8
Google rating
Verified homeowner reviews
0%
Financing available
18 months · $0 down
100%
HVHZ compliant
Hurricane-rated, permit-pulled
$2M
Bonded & insured
General liability coverage

What's in a Miami home addition — shown, not listed

Six scopes of work, one home addition contractor, one CGC1530409 permit. Everything below is in your written contract before ground is broken.

Site Prep & Foundation

Site Prep & Foundation

Survey, layout, and a slab or stem-wall foundation engineered for South Florida soil — formed, poured, and inspected before a single stud goes up. Every home addition we build starts with Miami-Dade's structural standards from the ground up.

Framing & Roof Tie-In

Framing & Roof Tie-In

Walls, openings, and the hardest part of any addition: tying the new roofline into the existing structure so it reads as one house, not a patch. Roof pitch, overhangs, and tile matched to the original at the design stage.

Impact Windows & Doors

Impact Windows & Doors

HVHZ-rated, Miami-Dade NOA products on every opening. The addition meets the same hurricane code as new construction — sliders, windows, and exterior doors all impact-rated and documented for your insurer.

MEP & Insulation

MEP & Insulation

Electrical, plumbing, and HVAC extended — or upsized where the existing systems cannot carry the new load — then insulated so the room stays cool through a Miami August. One project manager coordinates every trade under one permit.

Interior Finish

Interior Finish

Drywall, flooring, paint, and trim matched to the existing house, plus cabinetry or built-ins where the plan calls for them. The finish line is a room you cannot tell was added later.

Permits & One-Year Check

Permits & One-Year Check

We pull every permit under CGC1530409, walk every inspection ourselves, and hand you the closed permit card at the end. An unpermitted addition is not an asset — it is a defect you sell at a discount. We come back at the one-year mark to confirm everything still works as built.

Homeowner's guide to home additions in Miami

A room addition is the way to get the house you need without giving up the street you love. In Miami that trade matters more than almost anywhere: lots are tight, inventory is thin, and moving costs six figures before you've gained a single square foot. Built right, a home addition in Miami adds permitted, insurable living area — and in this market, permitted square footage is value.

What a room addition means in Miami-Dade

A room addition here is new construction attached to your home, and Miami-Dade County treats it that way: engineered foundation, HVHZ wind-load design, impact-rated openings, and inspections at every stage. We design, permit, and build under one license, CGC1530409 — one name on every drawing, permit card, and warranty.

Home addition contractor in Miami — licensed vs. unlicensed

The difference between a licensed general contractor and an unlicensed crew doing your home addition is not just paperwork. A licensed GC carries the permit in their name, which means they are legally responsible for the structural engineering compliance, the wind-load calculations, the MEP rough-in, and every inspection that follows. An unlicensed crew has no permit and no accountability when the addition fails a title search. Home addition contractors in Miami under FL CGC1530409 are required to carry general liability insurance, pull every permit, and have an active license verifiable at DBPR. We make all of ours clickable in the "boring stuff" section below.

Types of room additions we build

  • Second-floor additions — Adding a full or partial second floor to a single-story home. Requires structural engineering to verify the existing foundation and framing can support the load.
  • Garage conversions — Converting an attached or detached garage into conditioned living space.
  • Great room addition — Expanding the main living area into the backyard or side yard.
  • Primary suite addition — Adding a master bedroom with en-suite bathroom.
  • ADU / accessory dwelling unit — Subject to Miami-Dade zoning rules on lot coverage, setbacks, and maximum size.

What drives the cost of a room addition in Miami

Every project is a fixed line-item contract. The variables that drive cost: structural complexity, MEP scope, finish level, and permit timeline. We explain every line item at the estimate — nothing hidden, nothing estimated in ranges that grow after you sign.

The permit process for room additions in Miami

A home addition in Miami requires a full building permit package: architectural drawings, structural engineering calculations, energy compliance documentation, and a survey. We handle every step — you don't visit a building department.

Home addition contractor in Miami — what to verify

Before signing any room addition contract in Miami: verify the FL CGC or CG license is active at DBPR, request a current Certificate of Insurance, confirm the contractor pulls the permit in their own name. A contractor who asks you to pull your own permit is telling you something important.

Where we work — home additions in Miami and South Florida

We build room additions throughout Miami-Dade, Broward, and Palm Beach County. Second-story additions and garage conversions in Coral Gables, Pinecrest, Kendall, and North Miami. Home addition South Florida projects in Fort Lauderdale, Hollywood, West Palm Beach, and Boca Raton. FL CGC1530409 — one license, all three counties.

How a home addition actually gets built here

Six stages, written into every room addition contract. We don't move to the next one until you sign off on the previous.

Stage 01
Day 1–10
Walk-Through & Brief
Gil or a senior PM walks the site, measures the existing structure, and writes down what the new space has to do for your family. The brief determines the design, not the other way around.
Stage 02
Design
Plans & Fixed Price
Architectural plans, structural engineering, and material finishes on the table. Line-item budget — fixed, not a range. Full scope confirmed in writing before any deposit beyond design.
Stage 03
Permitting
Permit & Pre-Order
City submittal, structural plan review, NOA verification on every impact opening. Materials reserved before ground breaks. Permit managed entirely by our team.
Stage 04
Shell
Foundation, Framing & Roof
Slab poured, walls framed, roofline tied into the existing house, impact windows and doors set — inspected at every hold point.
Stage 05
Interiors
MEP, Drywall & Finish
Electrical, plumbing, and HVAC roughed in and inspected. Insulation, drywall, floors, paint, and trim matched to the house.
Stage 06
Hand-off + 365
Punch & One-Year Check
Punch list closed before binder hand-off. We come back at day 365 to confirm everything works as built. One of the few home addition contractors in Miami that puts this on the contract automatically.
Rated 4.8★ across
240 reviews
Reviewed on
Google Reviews Houzz BBB Accredited A+ Angi Yelp
★★★★★on Google
We'd been quoted by three companies and MFR was the only one who talked about waterproofing before they talked about tile. That told us everything. They found a cracked drain line under the slab, showed us the video, and fixed it right. Two summers later the primary bath is still flawless.
K. & M. AlvarezCoral Gables · 2025
★★★★★on Houzz
Turned a cramped 1970s bathroom into a curbless walk-in with a floating vanity. The crew was clean, on time most days, and honest when a glass delay pushed us back a week. Permits closed, cards in hand. Would hire again without a second thought.
D. ReyesPinecrest · 2024
★★★★★on Google
I manage a condo unit in Brickell and needed a tub-to-shower conversion done to building rules. They handled the association paperwork, the permit, and the schedule without me chasing them. The exhaust fan alone fixed a mildew issue the old bathroom had for years.
S. OkaforBrickell · 2025

Home addition questions, answered straight

The questions we hear most often during the first consult. If yours isn't here, Gil himself reads every form submission.

Yes — always. Any addition of conditioned square footage requires architectural plans, a structural engineering stamp, a building permit, and staged inspections. An unpermitted home addition is a defect you disclose at resale.

Yes — matching the existing house is the standard, not an upgrade. Roof pitch, tile profile, overhang depth, exterior finish, interior flooring, trim profile, and ceiling height are all matched at the design stage.

For ground-floor additions where work is external — yes, most families stay home throughout. For second-floor additions that require opening the ceiling for the staircase connection, we advise on displacement at the design stage.

An accessory dwelling unit is a self-contained living space on the same lot as the primary home. Miami-Dade allows ADUs subject to zoning rules. We assess feasibility as the first step of every ADU consultation, before any design cost is incurred.

Yes — Fort Lauderdale, Hollywood, Pembroke Pines, West Palm Beach, Boca Raton, and Delray Beach. Home addition South Florida — FL CGC1530409.

Search the contractor's name or license number at myfloridalicense.com. The license status, type, and expiration are public record. We are FL CGC1530409 — active and verifiable.

The boring stuff —
that matters

Five things every Florida homeowner should verify before signing a bathroom contract. We make ours public and clickable.

Financing · Hearth & GreenSky
Buy now,
pay $0 down
18 months at 0% APR

The bathroom you keep putting off doesn't have to wait for a lump sum. Through Hearth and GreenSky we offer 0% financing for 18 months on qualified projects, so you can start the gut remodel now and spread the cost over the year and a half instead of living with the mildew and the 1970s tile another summer. We'll walk you through the options at the estimate and there's no obligation to use them.

Hearth FinancialUp to $100k · soft pull
GreenSkyFixed-rate · up to 84 mo
Keep exploring home additions in Miami

Go deeper on the kinds of additions we build — or see the finished projects in the gallery.

Tell us about
your home

Drop a short note about the project. Your message routes directly to the PM whose calendar matches your service and timeline — not a generic sales queue.

Gil reads every submission personally — usually before noon the next business day.
No SMS spam. No purchased follow-up. We use your info to schedule one call.
If we're not a fit, we'll tell you in the first call and refer you to someone who is.
Prefer to skip the form? Call us.
(786) 600-2644
Direct line · 1 business day Request a quote
Your details
Carlos or David (senior PM) will email back within one business day.
No SMS spam. We don't share, sell, or resubmit your info. One follow-up call, that's it.
Know someone planning a remodel? Refer them — they save $500 on their design package. You earn a $250 Visa gift card. No limit.