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§ TX Wise County
County building permits

Unincorporated Wise County

How to apply for a building permit in unincorporated Wise County, Texas. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Wise County does not publish a general countywide building department for unincorporated construction

Street address
County Engineer, 2901 S FM 51, Building 200, Decatur, TX 76234; Environmental Services OSSF form lists 2901 S FM 51, Decatur, TX 76234
Coverage
This section covers unincorporated Wise County only. Do not assume city-style building permitting. County authority verified here is narrower and includes septic/OSSF, floodplain, plats/subdivision-development controls, and related county engineering review.
Online portal
County website and forms
County forms and office processes
§ 02

When a permit is required

Permit triggers and exempt work for Wise County

Wise County FAQ says Wise County does not require general building permits in unincorporated areas. Septic permits are required. County development rules also require a floodplain development permit for construction within the floodplain and regulate subdivision/development infrastructure and plats.

Note: Because there is no general county building permit program, the better verified statement is that unincorporated Wise County does not require a general building permit. That does not exempt floodplain work, septic/OSSF work, subdivision development, driveway/ROW, or other specially regulated activity from county or other jurisdictional approvals.

Required documents
  • For OSSF: county form requires owner/contact information, property legal description, and system design/supporting materials
  • Floodplain and subdivision applications require their own forms and supporting engineering information
Building code
No countywide general building code adoption or general building permit program was found for unincorporated Wise County.
Owner-builder
For residential work in some unincorporated areas, Texas HB 2833 private-inspection rules may be relevant, but county-specific public guidance was not found.
Contractor requirements
County FAQ does not establish a general building-contractor licensing program for unincorporated construction; state trade licensing and any OSSF installer requirements still apply.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    First confirm the parcel is in unincorporated Wise County and not inside a city's limits or ETJ-controlled process.
  2. 02
    If the project involves OSSF/septic, submit the county OSSF application and supporting design materials to Environmental Services/Public Works.
  3. 03
    If the project involves construction in a floodplain, obtain a Floodplain Development Permit from the Wise County Floodplain Administrator before construction.
  4. 04
    If the tract is being subdivided or developed, comply with the county Development Rules and Regulations and final-plat requirements.
  5. 05
    Record required documents with the County Clerk when platting or filing required instruments.

Source: Wise County does not publish a general countywide building department for unincorporated construction ↗

§ 04

Fee schedule

Wise County building permit fees

Fee type
Amount
01
Plan check fee
Depends on the narrow county approval being sought.
02
Permit fee formula
OSSF and county development/recording fees are flat or filing based, not valuation based.

County Clerk recording page says in-person payments can be made by cash or money order; credit cards are accepted only through the online self-service portal for recording fees.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

Inspection hours
County Engineer and county offices publish standard county office hours separately; no single county construction-inspection window was found.

Typical sequence: OSSF and development approvals follow their own department procedures. Subdivision improvements are inspected under county development rules before county acceptance.

§ 06

Frequently asked

Common questions about unincorporated Wise County permits

01 Do I need a building permit in unincorporated Wise County, TX?
Wise County FAQ says Wise County does not require general building permits in unincorporated areas. Septic permits are required. County development rules also require a floodplain development permit for construction within the floodplain and regulate subdivision/development infrastructure and plats.
02 How much does a building permit cost in unincorporated Wise County, TX?
Building permit fees in unincorporated Wise County, TX are set by the local building department and vary by project type and valuation. Fees are calculated as: OSSF and county development/recording fees are flat or filing based, not valuation based.. Plan check fee: Depends on the narrow county approval being sought..
03 How do I apply for a building permit in unincorporated Wise County, TX?
To apply for a building permit in unincorporated Wise County, TX, follow these steps: 1. First confirm the parcel is in unincorporated Wise County and not inside a city's limits or ETJ-controlled process. 2. If the project involves OSSF/septic, submit the county OSSF application and supporting design materials to Environmental Services/Public Works. 3. If the project involves construction in a floodplain, obtain a Floodplain Development Permit from the Wise County Floodplain Administrator before construction. 4. If the tract is being subdivided or developed, comply with the county Development Rules and Regulations and final-plat requirements. 5. Record required documents with the County Clerk when platting or filing required instruments.

Educational reference. Permit rules and fees change — confirm current requirements directly with Wise County does not publish a general countywide building department for unincorporated construction before applying. Jaspector is not legal advice.