Building Safety in St. Johns County, FL (2026)

2 rules for unincorporated St. Johns County, Florida.

Verified from official government sources

Note: These county rules apply to unincorporated areas of St. Johns County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Fire Sprinkler Requirements

St. Johns County requires NFPA 13D fire sprinklers in every home of a one to ten dwelling subdivision built more than half a mile from a central utility provider, if the developer chooses an alternative water supply instead of running a pressurized fire hydrant system, under Land Development Code Section 6.03.02.A.2.a.

St. Johns County Residential Sprinkler Requirement

Some Restrictions

St. Johns County Land Development Code § 6.03.02.A.2.a

a. Provided with an alternative water supply as described in Section 6.03.04, AND all residential Dwelling units shall be protected with a residential sprinkler system designed and installed in accordance with NFPA 13D (Sprinklers in One and Two Family Dwellings and Manufactured Homes), edition as adopted in the Florida Fire Prevention Code, or

Full ordinance details →Official source ↗

Childcare Center Rules

St. Johns County requires child care centers and adult day care centers to obtain a Special Use Permit under Land Development Code Section 2.03.04 before opening. Centers need at least a 6,000-square-foot lot with a 60-foot-wide fenced play yard, must follow Chapter 402.305, Florida Statutes for design, and centers serving more than 10 children must sit in non-residential districts with arterial or collector road access.

St. Johns County Child Care Center Zoning Rules

Some Restrictions

St. Johns County Land Development Code § 2.03.04

Child Care Centers (except those defined as Family Day Care Home by this Code and Florida Statutes), Kindergartens and Adult Day Care Centers may be permitted as a Special Use within districts defined in Section 2.03.01 and shall be subject to the following conditions along with design criteria contained in Section 6.08.02 and 6.08.10 of this Code. A. The Minimum Lot area, for Child Care Center...

Full ordinance details →Official source ↗

All St. Johns County ordinances

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