
Home Additions · Coconut Grove, FL
More house, same canopy.
Rear extensions, second stories, and garage conversions across Coconut Grove — engineered, permitted through the City of Miami, and supervised daily by PGX Builders Group, licensed general contractor CGC1539072.
Home Additions in Coconut Grove
Adding on without giving up the Grove.
Coconut Grove lots come with two things owners refuse to lose: mature trees and the feel of the street. So instead of tearing down, owners in Center Grove, Natoma Manors, and the avenues off Tigertail add on — a rear extension toward the garden, a second story over the original footprint, a garage turned guest suite. Done well, an addition buys the square footage a growing household needs while the oaks, the setbacks, and the house the neighbors have known for decades stay put. Done badly, it reads as a box stapled to a bungalow. The difference is design and structure.
Additions are where the Grove's rulebook earns its reputation. Permits go through the City of Miami, and the NCD-3 conservation overlay governs setbacks, massing, and how much of the lot you may cover — while the city's tree ordinance protects the canopy your new footprint has to negotiate with. Any demolition tied to the project brings its own review before permits issue. Near the bayfront, FEMA flood maps and the substantial-improvement rule can shape what is worth building. None of this is a reason not to add on. It is a reason to hire someone fluent in it.
PGX approaches an addition as structural work first: foundations that respect root-protection zones, tie-beams and connections engineered for the High-Velocity Hurricane Zone, and a roofline that joins the original house instead of colliding with it. You get a fixed written scope, a supervisor on site every day, and an occupied-home plan that keeps the existing house livable, clean, and secure while the new one grows behind it. One team, estimate through warranty — the way 150+ South Florida remodels and additions have taught us to run it.

Where we work in Coconut Grove
Elsewhere in Coconut Grove? Call us — if it's in Miami-Dade or Broward, we probably build there.
What's included
Additions we build in the Grove.
Extensions and conversions that add real square footage while keeping the lot, the trees, and the original house intact.
Extending around protected roots
Ground-floor additions toward the garden — family rooms, larger kitchens, primary suites — with foundations planned around protected root zones.
Growing up, not out
Full upper floors over the existing footprint, the Grove's answer when the lot and its trees leave nowhere to grow but up.
Garage and guest conversions
Garages and outbuildings converted into legal living space — guest suites, offices, studios — with the permits and insulation done right.
Suites with their own entry
Independent suites with their own bath and entry, built for parents, guests, or the long-stay visitors Miami reliably produces.
Tie-beams for HVHZ wind loads
Tie-beam upgrades, new footings, and connections engineered for HVHZ wind loads and inspected at every structural stage.

How we work
A remodel is a promise. We keep it in writing.
AFixed scope, honest pricing
A detailed written scope before we start — so the number you sign is the number you pay, and changes are decisions, not surprises.
BA superintendent on site, daily
Your project is run by someone whose name you know, who answers the phone, and who walks the site every working day.
CBuilt to code, warrantied in writing
HVHZ-rated products, inspected phases, closed permits, and a written warranty when we hand back the keys.
How it goes
From first walk to final walk-through.
Walk-through & estimate
We visit, measure, listen, and come back with a real scope and a real number — not a teaser.
1–2 weeksDesign & permits
Drawings, engineering where needed, product approvals, and the permit package — filed and tracked by us.
4–10 weeksConstruction
Scheduled trades, daily supervision, weekly updates with photos, and inspections we prepare for and attend in person.
Per scopeCloseout & warranty
Punch list cleared, permits closed, documents handed over, warranty in writing. Then we leave it spotless.
1–2 weeksFAQ
Straight answers.
What do the NCD-3 rules mean for my addition?
Can I add a second story to my Coconut Grove home?
Will the trees on my lot limit where I can build?
How long does an addition take from first call to finished room?
Does the FEMA substantial-improvement rule affect additions near the bay?
Contact
Let's find the square footage
Tell us what the house is missing. We will walk the lot, check the rules, and price it honestly — in English o en español. (786) 273-2524.