Height limits in Houston, TX

Building codes decide when you need a permit; zoning decides how tall you can go. Both are below, measured the way Houston measures them.

Rules last checked by a person on October 19, 2026. Guidance only; confirm with Houston before you build.

We haven’t verified height limits for Houston yet.

Sources

Houston Permitting Center, 2021 IRC significant changes and Houston amendments. Checked 2026-10-19.
The floor area limit for one story accessory structures has been reduced from 200 SF to 120 SF. Height limit of fences not requiring permit increased to 8 ft from 7 ft with an added provision that they are not constructed of masonry or concrete, and that ar…
44 CFR 59.1, definition of development (NFIP). Checked 2026-10-19.
Development means any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures...
44 CFR 60.3, floodplain management criteria. Checked 2026-10-19.
Require permits for all proposed construction or other development in the community...
2024 IRC R105.2, Work exempt from permit (text published by the City of Benson, AZ). Checked 2026-10-19.
One-story detached accessory structures, provided that the floor area does not exceed 200 square feet. Fences not over 7 feet high. Decks not exceeding 200 square feet in area, that are not more than 30 inches above grade at any point, are not attached to a…