Can my county tell me where to put a carport?

Texas counties are not general-purpose governments. A commissioners court can only do what state law explicitly lets it do, and the legislature has never given counties a general zoning power. That is why there is no county zoning map, no county setback and no county lot coverage rule on unincorporated land.

What the county can still require

A permit, in some counties. That is a different question from where the building goes. Many Texas counties take part in the National Flood Insurance Program, and to stay in it they run a development permit across the whole county. Their definition of development is usually broad enough to cover setting a structure on the ground, so a delivered carport can need paperwork even though nobody can tell you where to put it.

Whether that applies to you depends on your county and nothing else. Of the fifty largest counties we have read so far, about half require something and about half require nothing. Your county page here says which, or says plainly that we have not confirmed it.

What the county cannot do

Set the location. No county setback, no lot coverage rule, no design review on unincorporated land. Several counties say the rest out loud too. Parker County states it does not issue building permits or certificates of occupancy and that there are no zoning requirements in its unincorporated areas. Bexar County states it has no legal authority to regulate single family residential construction, to inspect it, or to issue a residential certificate of occupancy, unless an owner asks for permitting because a lender or a homeowners association wants it.

One correction worth making, because it is repeated everywhere. Chapter 233, Subchapter C of the Local Government Code is often cited as the rule that catches a delivered building. It is a fire code power, only a county over 250,000 or one next to that size may adopt it, and it covers commercial establishments, public buildings and multifamily of four or more units. It is not the carport rule.

Where the answer changes

Inside a city limit, everything above stops applying. Texas cities do zone. Inside the line you are dealing with a zoning district, setbacks, lot coverage and a real building permit. Many cities also reach into a strip of land outside their limits, the extraterritorial jurisdiction, so the city limit on a map is not always the whole story.

What to do

• Find out whether your site is inside a city limit or on unincorporated land.
• If it is unincorporated, ask the county one question: do I need a development permit or a building permit to set a carport on my land here.
• Ask the same call about floodplain, because that is usually where the requirement lives.
• Ask about distance from a septic field. That is a separate authority and it does bite.
• If it is inside a city, start with the city, not the county.

Sources

Last checked September 2026. Something out of date? Tell us and we will re-check it.