Jacksonville adopts the 2023 Florida Building Code. The City of Jacksonville Planning and Development Department manages permits with typical timelines of 3-9 weeks. The city has a population of approximately 891,711 and covers 747 square miles, making it the largest city by area in the contiguous US. Jacksonville is in Seismic Design Category A but requires hurricane wind resistance. The city emphasizes riverfront protection and environmental standards. Notable requirements include flood management, stormwater control, and habitat protection. Permit fees average 0.4-0.7% of construction value. The city offers streamlined permitting for designated downtown development zones and has established sustainability standards for city projects.