Building permits, zoning and septic rules in Alamo Heights, Texas

At a glance

Building permits

Required for new construction, alterations and additions¹

Zoning

City zoning applies inside Alamo Heights²

Applications

My Government Online¹

Septic permits

Bexar County Environmental Services⁴

Lot coverage

SF-A and SF-B: maximum 40%, subject to exclusions⁵

Inspections

City Community Development Services manages building inspections⁶

Who to call

Contact details are copied from each office’s official page and were checked against it on October 14, 2026.

Do you need a building permit in Alamo Heights, Texas?

Alamo Heights requires building permits for new construction and alterations or additions, including structural, plumbing, mechanical, electrical and some finishing work.¹ The city directs applicants to the specific building-permit application for submittal requirements and to its adopted Schedule of Development Fees for costs.¹ Start with Alamo Heights Community Development Services for a project inside city limits; the department manages plan review, building permitting and inspections through completion.⁶

Who handles building permits and zoning in Alamo Heights?

Alamo Heights Community Development Services manages preliminary plan review, plats, rezoning, variances, building-permit review, inspections and certificates of occupancy.⁶ Building-related applications and inspection requests go through My Government Online.¹ Contact the department at 210-826-0516 or [email protected] with building-permit questions.¹ For land outside Alamo Heights, consult the Bexar County guide: the county’s no-zoning statement specifically concerns land outside municipal limits.³ Septic permitting remains with Bexar County Environmental Services.⁴

Does Alamo Heights have zoning, lot coverage and height limits?

Alamo Heights has municipal zoning, so a lot inside city limits must be evaluated under the city’s rules.² In the SF-A and SF-B residential districts, maximum lot coverage is 40%, with exclusions identified in the residential design standards.⁵ Main-structure height limits depend on lot width and roof type; ask Community Development Services to confirm the applicable height before designing a home or addition.⁷⁶ We could not confirm the city’s RV occupancy, tiny-home occupancy, accessory-dwelling or minimum dwelling-size rules; ask the city planning office about the intended use of the specific lot.⁶

How do septic permits work inside Alamo Heights?

Bexar County requires permits for all on-site sewage facilities within the county, including systems inside Alamo Heights.⁴ New systems, repairs or changes, renewals and existing systems without permits have distinct application requirements.⁸ Standard systems require renewal every 5 years, with pumping, a pump receipt and a $30 renewal fee.⁸ Septic tank installations receive inspections at various stages of installation.⁹ Before buying a property served by septic, ask Bexar County Environmental Services for permit records and the applicable renewal or repair requirements.¹⁰⁸

Building a home in Alamo Heights: what are the steps?

First, ask Alamo Heights Community Development Services for preliminary plan review and confirmation of the lot’s zoning and any needed plat, variance or architectural review.⁶ Next, use the specific building-permit application to establish the required submittals, and consult the adopted development fee schedule.¹ Submit building-related applications through My Government Online; plans must be reviewed and approved before building permits are issued.¹ Begin work after the building permit is issued, then coordinate building inspections and completion requirements with Community Development Services.¹⁶ If the property uses septic, arrange the separate county septic approvals and installation inspections.⁸⁹

Watch-outs

• Bexar County’s no-zoning rule is for unincorporated land; Alamo Heights has city zoning.³²
• We could not confirm permission to live in an RV or tiny home in Alamo Heights; ask Community Development Services before committing to that use.⁶
• The city says applicants for mechanical, electrical and plumbing permits must be state-licensed contractors for the specific trade; ask Community Development Services how that applies to an owner-builder project.¹

Sources

1. Alamo Heights Community Development Services — Building Permits (alamoheightstx.gov)
2. City of Alamo Heights, TX Code of Ordinances (eCode360) table of contents (Alamo Heights), quoted and re-checked
3. Code Enforcements and Inspections | Bexar County, TX - Official Website, quoted and re-checked
4. On-Site Sewage Facilities, quoted and re-checked
5. Summary table for SF-A and SF-B residential design standards (Sec. 3-22), Oct 2021 (Alamo Heights), quoted and re-checked
6. Alamo Heights Community Development Services — Planning (alamoheightstx.gov)
7. Summary table for SF-A and SF-B residential design standards (Sec. 3-22), Oct 2021 (Alamo Heights), quoted and re-checked
8. On-Site Sewage Facilities, quoted and re-checked
9. On-Site Sewage Facilities, quoted and re-checked
10. Bexar County Environmental Services (bexar.org)

Written October 14, 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.