Need a custom home builder in St. Johns County, FL? St. Johns County has about 334,928 residents (2024 estimate) and 2 incorporated cities and towns. Describe your project once: custom home builders who work in St. Johns County get back to you.
Building permits in St. Johns County are issued by each city, or by the county in unincorporated areas.
Services available in St. Johns County
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Custom home construction
Construction of a custom home on the owner's lot, from permit to move-in.
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Design-build
Builder who handles both the design and the construction of the home.
Frequently asked questions in St. Johns County
Do custom home builders cover the whole of St. Johns County?
Most pros work across the county and neighboring counties. Enter your ZIP code in the form and we match you with pros who serve your exact area.
Custom Home Builders in Florida: all counties
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.