County Building Permits
Lampasas County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Lampasas County, Texas. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Applies only to unincorporated Lampasas County. No verified countywide general building permit program was located. Publicly documented county controls are narrower and include OSSF permits, subdivision and plat review, floodplain administration, culvert requests on county property, and certain other county-specific approvals.
- Department
- Lampasas County does not publish a countywide general building-permit department. Public permit-related functions are split among the County Judge's Office, the county OSSF Designated Representative, and the Floodplain Administrator.
- Address
- County Judge's Office, 501 E. 4th Street, Lampasas, TX 76550
- Phone
- 512-556-8271
Application Process
- First determine whether the unincorporated-county project actually triggers a county approval. No documented countywide general building permit requirement was located.
- For OSSF work, obtain the septic application from the County Judge's Office or download it, then submit the application with soil/site evaluation, required drawings, and other technical information. Do not begin construction before approval.
- For subdivision or platting, submit the completed plat application, required attachments, and review fee under the county subdivision regulations. The plat may also need OSSF and floodplain approvals.
- For floodplain-related matters, contact the County Floodplain Administrator. The county subdivision regulations require floodplain approvals on plats where applicable.
- For culvert installation on county property, use the county's request to install culvert form. For salvage yards, use the county application listed by the County Judge's Office.
- Await the county or designated official approval before starting regulated work.
General Requirements
No countywide general building permit program was publicly documented. Verified county approvals include OSSF construction or modification permits, subdivision and plat review under the county subdivision regulations, floodplain approvals where applicable, culvert requests on county property, and salvage yard applications.
Required Documents
- For OSSF applications: owner information, site address, soil/site evaluation, site drawing, technical information for permit, and additional floodplain information if applicable
- For subdivision applications: completed plat application, required attachments, and review fee. County subdivision plats may require OSSF and floodplain administrator approvals.
- Building code
- No public countywide building-code adoption or countywide general building-permit code program was located in the sources reviewed.
- Contractor requirements
- OSSF application requires licensed site evaluators, designers, and installers.
Fees
- Plan check fee
- For subdivisions, construction plan review is $30 per lot plus $1 per foot of road.
- Permit fee formula
- No countywide general building permit fee exists. Verified county fees include standard anaerobic or aerobic OSSF permit $350; commercial OSSF permit $400; plat review $500 plus $1 per foot of road plus $25 per lot.
- Reinspection fee
- OSSF note states soil substitution and mound systems require two inspections at an additional cost of $75 submitted at the second inspection.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
Contact the Lampasas County does not publish a countywide general building-permit department. Public permit-related functions are split among the County Judge's Office, the county OSSF Designated Representative, and the Floodplain Administrator. to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- Designated Representative (phone)
Typical inspection sequence: For OSSF, construction may not begin before approval. Soil substitution and mound systems require two inspections. County subdivision regulations separately require OSSF and floodplain approvals on plats where applicable.
Additional Resources
- Building code: No public countywide building-code adoption or countywide general building-permit code program was located in the sources reviewed.
- Builders Information Sheet
- Subdivision Regulations
- Septic Application
- TCEQ OSSF Contacts
- License lookup guide: Texas Contractor License Requirements
- Contract template: Texas Homeowner-Contractor Agreement
- Texas hub: Texas Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Lampasas County does not publish a countywide general building-permit department. Public permit-related functions are split among the County Judge's Office, the county OSSF Designated Representative, and the Floodplain Administrator. before applying.
Frequently Asked Questions
Lampasas County Building Permit FAQ
- Do I need a building permit in unincorporated Lampasas County, TX?
- No countywide general building permit program was publicly documented. Verified county approvals include OSSF construction or modification permits, subdivision and plat review under the county subdivision regulations, floodplain approvals where applicable, culvert requests on county property, and salvage yard applications.
- How much does a building permit cost in unincorporated Lampasas County, TX?
- Fees are calculated as: No countywide general building permit fee exists. Verified county fees include standard anaerobic or aerobic OSSF permit $350; commercial OSSF permit $400; plat review $500 plus $1 per foot of road plus $25 per lot.. Plan check fee: For subdivisions, construction plan review is $30 per lot plus $1 per foot of road..
- How do I apply for a building permit in unincorporated Lampasas County, TX?
- 1. First determine whether the unincorporated-county project actually triggers a county approval. No documented countywide general building permit requirement was located. 2. For OSSF work, obtain the septic application from the County Judge's Office or download it, then submit the application with soil/site evaluation, required drawings, and other technical information. Do not begin construction before approval. 3. For subdivision or platting, submit the completed plat application, required attachments, and review fee under the county subdivision regulations. The plat may also need OSSF and floodplain approvals. 4. For floodplain-related matters, contact the County Floodplain Administrator. The county subdivision regulations require floodplain approvals on plats where applicable. 5. For culvert installation on county property, use the county's request to install culvert form. For salvage yards, use the county application listed by the County Judge's Office. 6. Await the county or designated official approval before starting regulated work.
- How do I schedule a building inspection in unincorporated Lampasas County, TX?
- Inspections can be scheduled via: Designated Representative.
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