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When a permit is required
Permit triggers and exempt work for Cass County
No public countywide general building permit requirement was found for ordinary building construction in unincorporated Cass County. Verified county-controlled items include subdivision plat filing and OSSF permitting. TCEQ states a permit and approved plan are required to construct, alter, repair, extend, and operate an OSSF.
- Exempt OSSF 10-acre exemption if all TCEQ conditions are met
- Exempt Emergency OSSF repairs reported in writing within 72 hours after repairs begin
- Exempt Certain grandfathered OSSFs if TCEQ conditions are met
Note: No public exempt-work list found for general county construction because no public countywide building permit program was identified. Exemptions listed are OSSF-related state exemptions.
- For plats: filing standards and subdivision plat requirements adopted by Commissioners Court
- For OSSF work: permit application, planning materials, site evaluation by a licensed site evaluator or professional engineer
- Building code
- No public source showed Cass County has adopted a countywide general building code for all ordinary construction in unincorporated areas.
- Owner-builder
- TCEQ allows owner installation of an OSSF in limited circumstances if the permitting authority allows it and state conditions are met.
- Contractor requirements
- No countywide contractor licensing program was identified. State licensing still applies to regulated trades and OSSF roles.
Application process
Typical processing: OSSF applications must be approved or denied within 30 days under TCEQ rules. No general building permit timeline was found because no general building permit program was identified.
- 01 Determine whether the parcel is in unincorporated Cass County and not inside any city limits.
- 02 Determine whether the project triggers one of the county's narrower verified controls (subdivision, OSSF, or floodplain) rather than a general building permit.
- 03 For subdivision activity, comply with the county plat filing standards and County Clerk filing requirements.
- 04 For OSSF or septic work, submit the permit application and planning materials to the permitting authority. Cass County acts as an OSSF authorized agent.
- 05 For flood-prone property, confirm directly with the county whether any floodplain development approval is required.
Typical processing time: OSSF applications must be approved or denied within 30 days under TCEQ rules. No general building permit timeline was found because no general building permit program was identified.
Fee schedule
Cass County building permit fees
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
Typical sequence: No public countywide building inspection process was found. OSSF inspections are handled under the local OSSF program and state rules.
Frequently asked
Common questions about unincorporated Cass County permits
01 Do I need a building permit in unincorporated Cass County, TX? ▸
02 How much does a building permit cost in unincorporated Cass County, TX? ▸
03 How do I apply for a building permit in unincorporated Cass County, TX? ▸
04 How long does it take to get a building permit in unincorporated Cass County, TX? ▸
05 What work is exempt from building permits in unincorporated Cass County, TX? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Cass County Judge / Commissioners Court; County Clerk; Cass County OSSF program as local authorized agent before applying. Jaspector is not legal advice.