Building permits in Jacksonville, FL

Short answer: In Jacksonville, permits are issued by City of Jacksonville Building Inspection Division (Public Works); of the 6 common projects we checked, 4 always need a permit, 0 do not, and 1 depend on the details (1 unverified).

Permitting authority: City of Jacksonville Building Inspection Division (Public Works). Applies inside the consolidated City of Jacksonville; separately incorporated towns in Duval County may issue their own permits, so confirm locally. Florida Building Code applies. Historic districts may need a Certificate of Appropriateness.

Permit rules in Jacksonville
Project	Answer	Verified
Deck	Permit required Yes. The City requires a building permit for any construction that physically changes or adds structures to your property.	2026-10-19
Fence	Unverified, confirm locally We found no official City statement on whether a typical residential fence needs a building permit. Zoning limits fences to 4 ft in the fron…	2026-10-19
Interior / bathroom remodel	Depends on your project Replacing faucets or fixtures after the stop, fixing leaks and clearing drains need no permit. Other plumbing, electrical or structural chan…	2026-10-19
Roof replacement	Permit required Yes. Re-roofs are listed as alterations that need a building permit.	2026-10-19
Shed	Permit required Yes. Residential sheds need a permit. Sheds under 150 sq ft and under $5,000 can be issued the same visit; larger sheds need plan review.	2026-10-19
Water heater replacement	Permit required Yes. Replacing a water heater needs a permit; water heaters are specifically excluded from the no-permit fixture list.	2026-10-19

Fee schedule: https://www.jacksonville.gov/departments/public-works/building-inspection-division/commercial-permits/residential-permits

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Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.