County Building Permits
Caldwell County, TX - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Caldwell County, Texas. Permit authority, application steps, fees, and inspection requirements.
Quick Start
Caldwell County does not appear to offer a public online permit lookup. Use the county's public information request path for records research.
Start with Sanitation / Development Services and use the county's posted construction and development application forms.
Call: (512) 398-1803
Call county staff to schedule septic, residential, or commercial site-construction appointments and inspections.
Projects that usually need county approval
- Residential structures, installations, and additions that increase bedrooms or bathrooms
- Major fire or flood reconstruction
- Commercial site construction and alteration of improvements for non-residential uses
- Subdivision, floodplain, septic, and related development activity in unincorporated Caldwell County
Important: Unincorporated Caldwell County is regulated through development, subdivision, floodplain, septic, and site-construction requirements rather than a typical citywide building department model.
Permit Authority
Texas does not impose statewide building permitting. In unincorporated Caldwell County, the county regulates subdivision, development, floodplain, septic, residential construction, and commercial site construction under its Development Ordinance rather than operating a full city-style building department.
- Department
- Caldwell County Sanitation / Development Services
- Address
- 1700 FM 2720, Lockhart, TX 78644
- Phone
- (512) 398-1803
Online Permit Portal
Platform: • Account required: No • Submission: Online or in-person
Application Process
- Confirm the property is in unincorporated Caldwell County because city limits and ETJ rules can change the applicable permitting path.
- Contact county staff to schedule the appropriate review, especially for residential or commercial site construction, subdivision/development, floodplain matters, or septic permits.
- For commercial site construction, complete the mandatory pre-application conference with the relevant Precinct Commissioner and county staff before filing the permit package.
- Submit the required county form set. The county posts separate forms for residential construction, commercial construction, floodplain review, septic, variances, and traffic impact analysis.
- For residential permits, submit ownership documentation plus a plat or metes-and-bounds description and survey sketch as required by the ordinance.
- Post the approved permit on site and keep it visible from the nearest major roadway during construction.
Typical processing time: Not published; call county staff to schedule the required appointment or pre-application review.
General Requirements
The county Development Ordinance requires a Residential Construction Permit for construction or installation of a residential structure, additions that increase bedrooms or bathrooms, and major fire/flood reconstruction. A commercial site construction permit is required for development or alteration of improvements for non-residential uses.
Required Documents
- Residential Construction Permit application or the applicable commercial/development form set
- Ownership documentation
- Plat or metes-and-bounds description and survey sketch for residential permits
- Any subdivision, floodplain, septic, variance, or traffic-impact materials required for the project
- Permit validity
- Residential construction permits are valid for 2 years or until construction is complete, whichever comes first.
- Building code
- No countywide general building code adoption for all construction was identified. The county instead regulates development and site construction through its Development Ordinance.
- Owner-builder
- The county requires ownership documentation for residential permit applications in unincorporated areas.
- Contractor requirements
- Contact county staff to confirm whether your project also requires separate septic, floodplain, subdivision, or commercial site-construction approvals before starting work.
Fees
- Payment note
- Development-related fees published by the county include development agreements starting at $1,000 for 0-10 acres, traffic impact assessment fees starting at $750 for 0-10 acres, and licensing agreement fees starting at $500 for 0-10 acres, each plus reimbursement of outside engineering and legal costs. Applicants should confirm whether separate septic, floodplain, or subdivision review fees also apply.
Fees change. Verify current amounts at the official fee schedule (effective Current county development fee schedule).
Work That Does NOT Require a Permit
- Enclosure of an existing staircase or porch
- Carports for fewer than 10 cars
- Decks
- Roof replacement
- Remodeling of an exterior facade
- Sidewalk construction
Important: These are exemptions from the county's residential construction permit requirement. Separate septic, floodplain, subdivision, driveway, or other county approvals may still apply depending on the project and location.
Inspections
How to Schedule
- (512) 398-1803 (phone)
- Inspection hours
- Call to schedule an appointment for septic permits, inspections or complaints, subdivision meetings, residential and commercial site-construction permits, subdivision and development matters, floodplain management, and platting.
Typical inspection sequence: County staff state they handle residential and commercial site construction permits; the ordinance also authorizes county entry for inspections tied to the permit.
Additional Resources
- Building code: No countywide general building code adoption for all construction was identified. The county instead regulates development and site construction through its Development Ordinance.
- Owner-builder rules: View rules
- Development Ordinance
- Development Fee Schedule
- Subdivision Checklist
- Floodplain Application
- Traffic Impact Analysis Application
- Public Information Request
- 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 Caldwell County Sanitation / Development Services before applying.
Frequently Asked Questions
Caldwell County Building Permit FAQ
- Do I need a building permit in unincorporated Caldwell County, TX?
- The county Development Ordinance requires a Residential Construction Permit for construction or installation of a residential structure, additions that increase bedrooms or bathrooms, and major fire/flood reconstruction. A commercial site construction permit is required for development or alteration of improvements for non-residential uses.
- How do I apply for a building permit in unincorporated Caldwell County, TX?
- 1. Confirm the property is in unincorporated Caldwell County because city limits and ETJ rules can change the applicable permitting path. 2. Contact county staff to schedule the appropriate review, especially for residential or commercial site construction, subdivision/development, floodplain matters, or septic permits. 3. For commercial site construction, complete the mandatory pre-application conference with the relevant Precinct Commissioner and county staff before filing the permit package. 4. Submit the required county form set. The county posts separate forms for residential construction, commercial construction, floodplain review, septic, variances, and traffic impact analysis. 5. For residential permits, submit ownership documentation plus a plat or metes-and-bounds description and survey sketch as required by the ordinance. 6. Post the approved permit on site and keep it visible from the nearest major roadway during construction.
- How long does it take to get a building permit in unincorporated Caldwell County, TX?
- Typical processing time is Not published; call county staff to schedule the required appointment or pre-application review..
- What work is exempt from building permits in unincorporated Caldwell County, TX?
- The following work is generally exempt: Enclosure of an existing staircase or porch; Carports for fewer than 10 cars; Decks; Roof replacement; Remodeling of an exterior facade; Sidewalk construction. Note: These are exemptions from the county's residential construction permit requirement. Separate septic, floodplain, subdivision, driveway, or other county approvals may still apply depending on the project and location.
- How do I schedule a building inspection in unincorporated Caldwell County, TX?
- Inspections can be scheduled via: (512) 398-1803.
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