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Modular Homes in Key West, FL

Modular Homes in Key West, Florida

SeaTop builds steel-frame modular homes in Key West, completed in 6–12 weeks instead of 7–12 months, at about a third less than conventional construction, and engineered for South Florida's hurricanes and flood zones.

A SeaTop modular home beside a pool at dusk
Serving Monroe County

Why Key West chooses SeaTop

In the Keys, elevation requirements and island logistics are challenging. SeaTop homes ship complete and install quickly, even on constrained sites.

Built 85% faster

Manufactured off-site while your site is prepared in parallel, homes completed in 6–12 weeks.

~33% lower build cost

The vertical build (shell, labor, MEP) costs about a third less than conventional construction.

Hurricane-rated steel

Engineered for 185 mph winds, seismic grade 9, and fire, with a 50+ year service life.

Flood-zone ready

Install on slab, screw piles, or our patented Pillar System to elevate above the flood line.

6–12 wk
Typical build time
~33%
Lower vertical build cost
185 mph
Wind rating
50+ yr
Service life
Building in Monroe County

Codes and permitting in Key West

What building in Key West actually involves, and how SeaTop delivers plans ready for local review.

Wind & flood code

The Keys (Monroe County) combine strict flood-elevation rules (often V / coastal high-hazard zones) with island logistics. SeaTop homes ship complete and install fast, even on constrained sites.

Permitting

Permitting runs through the City of Key West Building Department (Monroe County). Our factory-built, sealed systems are documented for their elevation and wind requirements.

Questions & Answers

Modular Homes in Key West, answered

Yes. SeaTop designs, manufactures, and installs steel-frame modular homes throughout Key West and Monroe County, from backyard ADUs to multi-story builds.

Start the conversation

Build your modular home in Key West

Tell us about your Key West site and timeline, our in-house team will recommend the right plan and give you a fixed quote.