Building permits, zoning and septic rules in Friendswood, Texas

At a glance

Building permits

Required for construction, moving, additions and structural alterations¹

Zoning

City zoning ordinance enforced by Planning and Zoning²

Residential building code

2024 International Residential Code, with city amendments⁵

Septic permits

Galveston County Health District for Galveston County parcels; approved plan required³

Travel-trailer living

Permanent residence only in a mobile home park⁴

Manufactured homes

Placement limited to mobile home parks or subdivisions zoned MHR⁶

Owner-builder

State trade-license exemptions have conditions; no exemption from local building permits or inspections⁷

Who to call

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Do you need a building permit in Friendswood, Texas?

Friendswood requires a building permit to construct, move, add to or structurally alter a building or other structure.¹ Friendswood adopts the 2024 International Residential Code for one- and two-family dwellings, with city amendments.⁵ The city’s permit requirement and residential code make Community Development the starting point for a house project inside Friendswood.¹ Texas’s electrical owner-builder exemption concerns licensing and does not exempt work from locally administered building permits or inspections; municipal regulations may override the state licensing exemption.⁷ Ask the Building Inspection Section which approvals your own work needs before starting.

Who handles Friendswood building permits and applications?

Friendswood’s Building Inspection Section approves building plans and inspections.¹ Friendswood has moved from paper building permits to fully online building permits; use the city’s linked online application portal.⁸ Plans must show the lot’s actual dimensions and shape, existing buildings, and the location and dimensions of the proposed construction or alteration.¹ Ask the Building Inspection Section for the submittal requirements and current building-permit fee for your particular project. Required inspections are listed when the city issues the building permit, and some inspections must happen before others.¹

Does Friendswood have zoning, lot-size and setback rules?

Friendswood’s Planning and Zoning Division enforces the city’s zoning and subdivision ordinances.² Friendswood zoning regulates building use, size, height and density, so a building-code-compliant design still needs to fit the parcel’s zoning requirements.² Ask Planning and Zoning to identify the parcel’s district and provide the applicable minimum lot size, dwelling size, setbacks, lot coverage and height limits before you commission a design. We could not confirm those district-specific dimensions here. Friendswood limits HUD-code manufactured-home placement to a mobile home park or mobile home subdivision zoned MHR.⁶

How do septic permits work inside Friendswood?

For a Friendswood parcel in Galveston County that needs an on-site sewage facility, Galveston County Health District requires a valid septic permit and approved plan for construction, alteration, repair, extension or operation.³ The district requires an application and inspection report together with a completed site evaluation form, and coordinates with building officials so that building permits follow septic-plan approval.³ The district inspects the installed system; schedule the inspection at least 24 hours ahead.³ Texas’s 10-acre exemption is conditional, requiring a qualified site evaluation, a single-family dwelling as the tract’s only dwelling, on-site disposal, no nuisance or groundwater pollution, and every system component at least 100 feet from the property line.⁹ Ask the district whether local requirements allow that exemption for your parcel.

Can you live in an RV or tiny home in Friendswood?

Friendswood prohibits using or occupying a travel trailer as a permanent residence except in a mobile home park.⁴ Buying a vacant Friendswood lot therefore does not authorize permanent travel-trailer living outside a mobile home park.⁴ We could not confirm private-lot temporary RV occupancy while building, a specific tiny-home occupancy rule or accessory-dwelling treatment; ask Planning and Zoning about the proposed structure and use before buying. The city’s manufactured-home placement rule also limits qualifying homes to mobile home parks or subdivisions zoned MHR.⁶

What are the steps to building a home in Friendswood?

1. Arrange a Development Review Committee meeting with Friendswood Community Development as the city’s recommended first step for land development.²
2. Ask Planning and Zoning to confirm the intended use and district requirements; the city enforces its own zoning ordinance.²
3. For a Galveston County parcel needing septic, obtain Health District septic-plan approval before city building-permit issuance.³
4. Submit the building-permit application online with scaled plans showing the lot and proposed work.⁸¹
5. Follow the required inspection sequence and obtain a certificate of occupancy before occupying the building.¹

Friendswood subdivision-development proposals must also meet the city’s referenced floodplain-development permit requirements.¹⁰ Ask Community Development to review floodplain requirements, utility service and driveway access for the specific address. For land outside Friendswood, consult the Galveston County guide; the county’s no-zoning answer applies to unincorporated land.¹¹

Watch-outs

• Friendswood’s permanent travel-trailer restriction applies inside city limits; do not treat a rural-looking city parcel as permission for permanent RV living.⁴
• Friendswood can require concealed equipment to be uncovered when a required residential-code inspection was missed.¹²
• We could not confirm tiny-home occupancy, private-well approval or district-specific dimensional requirements; ask Friendswood Community Development before committing to a design.²

Sources

1. Friendswood Building Inspection Section (ci.friendswood.tx.us)
2. Friendswood Community Development — Planning and Zoning (ci.friendswood.tx.us)
3. Galveston County Health District (gchd.org)
4. Friendswood Code of Ordinances, Sec. 50-20 (Friendswood), quoted and re-checked
5. Friendswood Code of Ordinances, Sec. 14-24 (Friendswood), quoted and re-checked
6. Friendswood Code of Ordinances, Sec. 50-19 (Friendswood), quoted and re-checked
7. Exemptions to Electrician Licensing (Texas statewide rule), quoted and re-checked
8. Friendswood Online Permits and Inspections (ci.friendswood.tx.us)
9. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
10. Friendswood Code of Ordinances, Sec. 34-63 (Friendswood), quoted and re-checked
11. Texas law on county zoning and building authority
12. Friendswood Code of Ordinances, Sec. 14-24 (Friendswood), quoted and re-checked

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.