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Home addition in Florida — a Pro Work crew framing a wind-rated room addition tied into an existing house

St. Augustine · St. Johns County · Florida

Home Additions in Old City

Room additions, second stories, and Florida rooms built to carry the same hurricane loads as new construction — an engineered continuous load path, impact-rated openings, and a foundation tied into your existing slab. We engineer the structure, handle the FBC permit, and stand for the inspections so the new square footage is legal, insurable, and storm-ready.

Home Additions for homes in the Old City area of St. Augustine, Florida — spec'd for Florida slab construction, humidity and the building code, with a free in-home estimate.

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Home Additions for Old City Homes in St. Augustine

Old City sits right in the heart of St. Augustine. Coastal Old City deals with salt and humidity year-round, which shapes how we approach home-additions. Pro Work Flooring also serves the nearby St. Augustine neighborhoods of Model Land Historic District, Davis Shores, Anastasia Island Town Homes.

Getting home-additions right in Old City means planning for what Northeast Florida puts a home through:

Service area: Old City, Florida. View larger map

About Home Additions

The best material for home-additions in Old City depends on your subfloor and how the space is used:

A clear sequence keeps your Old City home-additions on track:

See the full Home Additions guide — materials, process and detail →

Home Additions Near Old City

We cover home-additions across St. Johns County — communities close to Old City include:

Home Additions FAQs for Old City

Do you serve Old City, Florida?

Yes — Pro Work Flooring covers Old City and the wider St. Johns County area for home-additions. Request a free estimate and we'll schedule a visit.

How does the coast affect home-additions in Old City?

Salt air and humidity near the coast push us toward moisture-tolerant materials, careful acclimation, and subfloor moisture testing before any home-additions in Old City.

What's the first step for home-additions in Old City?

A clear sequence keeps your Old City home-additions on track:

Add the Room Without the Weak Seam.

Free consultation. Feasibility and code review. Wind-load engineered. Tied into your existing structure. Permits handled. No pressure.