On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Wharton County
No public county statement imposes a general building permit for all ordinary construction in unincorporated Wharton County. The county clearly publishes a permit requirement to rebuild or repair after a flood when applicable, floodplain-development controls, OSSF or septic permits, subdivision policy materials, drainage-related requirements, and 911 rural addressing forms. The flood-repair handout also says that if a flooded structure is outside the flood zone, the county will verify that address and no permit will be required for repairs.
If a flooded property is verified to be outside the flood zone, no permit is required for repairs.
- Exempt If a flooded property is verified to be outside the flood zone, no permit is required for repairs.
Required documents
- For OSSF: applicant contact information, physical address, legal description, water-supply information, structure square footage, bedroom count, system type, and licensed site evaluator, designer, and installer information.
- For flood repair: repair estimates and flood-zone evaluation
- County addressing, drainage, and subdivision items use separate forms
- Building code
- No public county webpage or handout clearly identified a countywide adopted general building code for unincorporated Wharton County. Published county materials focus on floodplain, drainage, OSSF, subdivision, and addressing controls.
- Permit validity
- For aerobic OSSF systems, the county-published homeowner notice says the initial maintenance contract must be valid for at least two years and that ongoing maintenance contracts are required for the life of the system.
- Owner-builder
- The county's public OSSF homeowner notice allows homeowner maintenance of an aerobic unit after the initial two-year contract only if the homeowner has met the requirements to perform maintenance.
- Contractor requirements
- For OSSF permits, the county application requires licensed site evaluator, system designer, and system installer information.
Source: Wharton County Permit & Inspection Department / 9-1-1 Rural Addressing ↗
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Confirm the parcel is in unincorporated Wharton County and coordinate 911 rural addressing if the tract does not already have the needed address assignment.
- 02 Determine which county-controlled program applies. The county permit page publishes forms for OSSF, drainage, floodplain, subdivision, and 911 addressing.
- 03 For flood-damaged structures, bring repair estimates to the Permit & Inspection Department. The county's flood-repair handout says a permit is required to rebuild or repair after a flood when applicable and that substantial-damage determinations are based on repair estimates versus CAD structure value.
- 04 For floodplain development, use the county floodplain ordinance and related drainage materials. The county permit page publishes the floodplain ordinance, drainage criteria manual, and drainage fee schedule.
- 05 For septic systems, submit the county OSSF application with the required site evaluator, designer, installer, water-supply, structure-size, and property information.
- 06 Call ahead and make an appointment. The county permit page specifically asks applicants to call first because the inspector has daily inspections.
- 07 After county review, complete any required inspections and ongoing OSSF compliance. The OSSF homeowner acknowledgement states aerobic-treatment systems require a maintenance contract.
Source: Wharton County Permit & Inspection Department / 9-1-1 Rural Addressing ↗
§ 04
Fee schedule
Wharton County building permit fees
Fee type
Amount
01
Penalty (no permit)
Permit noncompliance can cause an OSSF permit to be considered void and can lead to a complaint in Justice of the Peace Court.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- 979-532-8587 (phone)
- Scheduling deadline
- Call ahead and make an appointment; the inspector has daily inspections.
- Inspection hours
- 8 a.m. to 4 p.m.
Typical sequence: Verified county inspection activity includes field inspections tied to floodplain review and OSSF permitting.
Source: Wharton County Permit & Inspection Department / 9-1-1 Rural Addressing ↗
§ 06
Frequently asked
Common questions about unincorporated Wharton County permits
01 Do I need a building permit in unincorporated Wharton County, TX? ▸
No public county statement imposes a general building permit for all ordinary construction in unincorporated Wharton County. The county clearly publishes a permit requirement to rebuild or repair after a flood when applicable, floodplain-development controls, OSSF or septic permits, subdivision policy materials, drainage-related requirements, and 911 rural addressing forms. The flood-repair handout also says that if a flooded structure is outside the flood zone, the county will verify that address and no permit will be required for repairs.
02 How do I apply for a building permit in unincorporated Wharton County, TX? ▸
To apply for a building permit in unincorporated Wharton County, TX, follow these steps: 1. Confirm the parcel is in unincorporated Wharton County and coordinate 911 rural addressing if the tract does not already have the needed address assignment. 2. Determine which county-controlled program applies. The county permit page publishes forms for OSSF, drainage, floodplain, subdivision, and 911 addressing. 3. For flood-damaged structures, bring repair estimates to the Permit & Inspection Department. The county's flood-repair handout says a permit is required to rebuild or repair after a flood when applicable and that substantial-damage determinations are based on repair estimates versus CAD structure value. 4. For floodplain development, use the county floodplain ordinance and related drainage materials. The county permit page publishes the floodplain ordinance, drainage criteria manual, and drainage fee schedule. 5. For septic systems, submit the county OSSF application with the required site evaluator, designer, installer, water-supply, structure-size, and property information. 6. Call ahead and make an appointment. The county permit page specifically asks applicants to call first because the inspector has daily inspections. 7. After county review, complete any required inspections and ongoing OSSF compliance. The OSSF homeowner acknowledgement states aerobic-treatment systems require a maintenance contract.
03 What work is exempt from building permits in unincorporated Wharton County, TX? ▸
Not all construction work requires a permit in unincorporated Wharton County, TX. The following work is generally exempt: If a flooded property is verified to be outside the flood zone, no permit is required for repairs.. When in doubt, confirm with the local building department before starting work.
04 How do I schedule a building inspection in unincorporated Wharton County, TX? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Wharton County, TX via: 979-532-8587. Call ahead and make an appointment; the inspector has daily inspections..
last verified April 2026
source Wharton County Permit & Inspection Department / 9-1-1 Rural Addressing ↗
entry id permits/texas/wharton/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Wharton County Permit & Inspection Department / 9-1-1 Rural Addressing before applying. Jaspector is not legal advice.