Modern rear addition with floor-to-ceiling glass — home additions in Miami Beach, Florida. Architectural rendering.

Home Additions · Miami Beach, FL

More house, above the flood line.

Rear extensions, second stories, and guest suites across Miami Beach — engineered, permitted through the city, and built to current flood and hurricane code by a licensed contractor who supervises daily.

Licensed & insured Lic. CGC1539072 Miami Beach · Miami-Dade County Hablamos español

Home Additions in Miami Beach

Growing a house on a regulated island.

Lots in Miami Beach are finite in a way that concentrates the mind, so when a family outgrows a house on Pine Tree Drive or a Sunset Islands lot, the answer is usually up or back rather than out of the neighborhood. We build rear extensions that open 1930s and 1950s homes toward pool and bay, second-story additions over strengthened first floors, garage conversions, and guest suites for the in-laws who visit every winter and stay longer each year. Done well, an addition reads like the house always intended it — that is the standard we permit and build to.

If Miami Beach regulation has a reputation, additions are why. The City of Miami Beach Building Department reviews structure, zoning checks lot coverage and setbacks, and the FEMA substantial-improvement rule sits over everything: if your project's value crosses the fifty percent threshold, the whole house must meet current flood elevation standards, including the city's freeboard requirement above base flood elevation. In historic districts, the Historic Preservation Board expects additions to stand politely behind the original facade. None of this is a reason not to build; it is a reason to design with the rules in the room from day one.

Structure is the quiet half of every addition here. Second stories on pre-war masonry mean tie-beam upgrades, new columns, and foundations verified before anyone talks about finishes; PGX brings the engineers in early and prices that work into a fixed written scope instead of discovering it at month three. Our 20-plus years in South Florida and 150-plus delivered projects taught us to sequence additions so the family keeps living in the house while it grows. Daily supervision, protected interiors, and one accountable license from first sketch to final inspection — that is the whole pitch.

Covered terrace joining a modern rear addition — architectural rendering

Where we work in Miami Beach

South of Fifth Flamingo Park North Bay Road Sunset Islands Palm Island Hibiscus Island Star Island La Gorce Island Allison Island Pine Tree Drive Bayshore Mid-Beach Normandy Isles Altos del Mar

Elsewhere in Miami Beach? Call us — if it's in Miami-Dade or Broward, we probably build there.

What's included

How we build additions on the Beach.

Additions here are equal parts architecture, engineering, and paperwork. This is the work we plan, permit, and build.

01

Family rooms toward the water

New family rooms and primary suites extending toward pool and water, tied into the existing structure with engineered footings and connections.

02

Upper floors over reinforced masonry

Full upper floors over reinforced first stories, with engineering, tie beams, and stairs placed where the plan wants them rather than where they merely fit.

03

Garage and loggia conversions

Turning underused garages and loggias into offices, gyms, or guest quarters, with the insulation and cooling that make them genuinely livable in high summer.

04

Guest suites for long winters

Self-contained suites with baths and kitchenettes where zoning allows, designed for long visits that stay pleasant on both sides of the guest room door.

05

Tie beams for pre-war masonry

Structural upgrades that let older Miami Beach masonry carry new loads, verified by engineers, inspected by the city, and hidden by the finish work.

Glass sliders and roofline of a new rear addition — architectural rendering

How we work

A remodel is a promise. We keep it in writing.

20+
Years building in South Florida
150+
Remodels and additions delivered
100%
Permitted and inspected work
1
Team accountable from estimate to warranty

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.

01

Walk-through & estimate

We visit, measure, listen, and come back with a real scope and a real number — not a teaser.

1–2 weeks
02

Design & permits

Drawings, engineering where needed, product approvals, and the permit package — filed and tracked by us.

4–10 weeks
03

Construction

Scheduled trades, daily supervision, weekly updates with photos, and inspections we prepare for and attend in person.

Per scope
04

Closeout & warranty

Punch list cleared, permits closed, documents handed over, warranty in writing. Then we leave it spotless.

1–2 weeks

FAQ

Straight answers.

Will an addition trigger the FEMA 50 percent rule on my house?
It can. If the value of the work exceeds fifty percent of the building's market value, the entire home must be brought up to current flood standards, including elevation requirements — a very different project than the addition you sketched. Miami Beach applies these rules carefully, and so do we: before design goes far, we help you understand where your project stands relative to the threshold and what the options are on either side of it.
Can my 1930s Miami Beach house support a second story?
Often yes, after engineering confirms it. Pre-war masonry homes typically need tie-beam upgrades, reinforced columns, and sometimes foundation work before they carry a new floor — all solvable, all priceable, and all better discovered in design than in demolition. If the house is a contributing structure in a historic district, the second story also needs to sit respectfully behind the original massing to earn board approval. We handle the engineers, the drawings, and the hearing.
Do additions in Miami Beach historic districts face extra review?
Yes. In districts like Flamingo Park, additions to contributing homes go through Certificate of Appropriateness review, and the board's consistent preference is clear: keep the addition subordinate to the original house, set it back from the street, and let the historic facade keep telling the story. Working within that framework is a design skill, not a limitation. Some of the best additions on the Beach are invisible from the sidewalk and transformative from the backyard.
How long does a home addition take from design to completion?
Plan in phases: design and engineering first, then permitting — longer if a board hearing is involved — then construction, which for a substantial addition typically runs several months on site. Miami Beach reviews are thorough, and waterfront or historic properties add layers. We give you a milestone schedule at contract, keep the permit moving with complete submittals, and sequence construction so the occupied part of your home stays livable, secure, and air conditioned throughout.
Is it smarter to add on or move?
On this island, often the former. Miami Beach lots in the neighborhoods people actually want — the islands, North Bay Road, the golf-course streets — rarely come up, and transaction costs on high-value homes are their own renovation budget. An addition lets you keep the location and fix the house. We will tell you honestly if your lot, structure, or flood situation argues otherwise; an accurate no early is cheaper than an optimistic yes later.

Contact

Room to grow, right here

Before you list the house, let us look at the lot. Addition feasibility, flood math, and honest numbers, in English o en español.

Office
Miami, FL
Hours
Mon–Fri, 8:00–18:00
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