Houston adopts the 2021 International Building Code (IBC) with Texas amendments. The City of Houston Department of Housing and Building Services manages permitting with typical timelines of 3-8 weeks. The city has a population of approximately 2.3 million and covers 671 square miles. Houston has no local zoning code and operates under deed restrictions and HOA guidelines, making development more flexible. The city is in Seismic Design Category A with minimal seismic requirements. Wind load requirements are critical for hurricane-prone areas. Notable requirements include flood plain management, stormwater control, and energy code compliance. Permit fees are relatively low, averaging 0.3-0.5% of construction value, contributing to Houston's development-friendly reputation.