Cost to Build · Miami & South Florida · 2026
Real per-square-foot ranges, a phase-by-phase breakdown, and the Florida-specific factors most calculators miss — from a licensed general contractor who builds here.
The short answer: building a house in Miami typically costs $250 to $700+ per square foot for construction (excluding land), so a 3,000 sq ft home generally runs $1.1M to $2.1M to build — with luxury and waterfront homes pushing $800–$1,000+ per square foot. The single biggest variable after finish level is land, which is separate and ranges enormously across Miami-Dade.
Below is how that breaks down by build tier, where the money goes phase by phase, and the South Florida factors — impact windows, flood elevation, concrete-block construction, permitting — that separate a Miami build from the national average.
By build tier
Construction cost only — land is separate and varies widely across Miami-Dade. Ranges reflect the 2026 South Florida market and assume permitted, licensed work.
Where the money goes
On a typical Miami custom build, the construction budget (excluding land) splits roughly like this:
Interior finishes are where budgets swing the most — the same 3,000 sq ft shell can carry $200K or $700K of finishes depending on your selections.
South Florida factors
National cost calculators miss what actually drives the number here. These are the Florida-specific factors we account for on every build:
Most Miami homes are built with concrete block and poured tie-columns for hurricane resistance, not wood frame. It's stronger and standard here — and costs more per square foot than the stick-built construction national averages assume.
Miami-Dade's High-Velocity Hurricane Zone code requires impact-rated windows, doors, and roofing assemblies. Impact glazing alone can add tens of thousands to a build versus standard windows.
Much of Miami-Dade is in a FEMA flood zone. Meeting base-flood-elevation requirements — raised foundations, fill, flood venting, elevation certificates — commonly adds 10–15%+ to the cost, more on waterfront lots.
Land is the biggest separate cost, and lot conditions (demolition, fill, soil, seawalls on waterfront) add up. Miami-Dade permitting timelines also lengthen the schedule, and time carries cost.
Build vs. buy
In today's Miami market, buying an existing home is often cheaper up front than building an equivalent one from scratch — building lets you pay for exactly what you want, on your lot, to current hurricane code, with no compromises and no inherited problems. Building tends to make the most sense when: you already own or can acquire the right lot, you want a specific design a resale can't offer, or the existing homes in your target area are older and would need a gut renovation anyway (at which point a whole-home remodel or a teardown-rebuild becomes the real comparison). We help clients run that comparison honestly before anyone commits.
Common questions
Related
Our ground-up build process — engineered estimates, 3D LiDAR, full permit management — from lot to keys.
For homeowners who want exactly what they envisioned. We work with your architect or bring one in.
A build partner who protects your design intent from permit through punch list.
From feasibility and design through permitting, construction, and certificate of occupancy.
Elevation, impact code, seawalls, and what coastal construction really involves.
When demolishing and rebuilding beats renovating — and what it costs.
How you're charged and what aligns your builder's incentives with yours.
What permits cost, how long they take, and why Miami Beach runs slower.
Skip the calculator. Tell us about your lot and vision — we'll scan the site and deliver a fixed, engineered estimate, not a per-square-foot guess.
