Fannin County, TX - 2026 Building Permit Guide

Permit Authority

This section covers only unincorporated Fannin County. Fannin County does not publish a city-style countywide general building-permit program for ordinary vertical residential construction. The verified county permit controls are narrower and include OSSF/septic permitting, floodplain development permitting, subdivision/development approvals, ETJ-related coordination, manufactured-home rental community development permits, and junkyard permits.

Department

Development Services; Environmental / OSSF Services; Emergency Management / Floodplain Management

Online Permit Portal

Application Process

1. Verify the parcel is actually in unincorporated Fannin County and not inside city limits or only inside a city's ETJ.
2. Identify the correct county control. Public county sources verify separate tracks for OSSF/septic, floodplain development, subdivision/development approvals, manufactured-home rental community development permits, and junkyard permits.
3. Create an MGO account for the county's online permitting and payment workflow.
4. Submit the project-specific application and supporting documents through MGO or the county's directed process:
5. Pay the applicable county fee schedule.
6. Wait for county review and approval before starting work where the county's rules require prior approval.
7. Complete required inspections or final approvals where applicable.

Typical processing time: No public processing-time estimate found.

Source: Development Services; Environmental / OSSF Services; Emergency Management / Floodplain Management

General Requirements

Confirm permit triggers directly with jurisdiction.

Required Documents

• OSSF application and checklist materials.
• Septic fee schedule and supporting information.
• Floodplain permit application plus supporting floodplain documents and FEMA mapping materials.
• Platting, severance, and subdivision checklists for land-development cases.
• Manufactured-home rental community or junkyard permit packets where applicable.

Permit validity

No public permit validity rule found.

Owner-builder

No public owner-builder rule found.

Contractor requirements

State licensing still applies for regulated trades.

Fees

Minimum permit fee

Not extracted for all county permit types in this pass.

Plan check fee

Not publicly summarized in one countywide table.

Permit fee formula

County fees vary by permit type. Current county sources publish separate septic and platting fee schedules rather than one unified building-permit schedule.

Reinspection fee

Not publicly summarized in one countywide table.

Payment note

The county states it has moved to online permitting and payments through MGO.

Work That Does NOT Require a Permit

Contact the Development Services; Environmental / OSSF Services; Emergency Management / Floodplain Management to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

• OSSF and floodplain matters are coordinated through the county's MGO workflow and department contacts. (phone)
• Confirm any project-specific inspections directly with the responsible county office. (phone)

Typical inspection sequence: Confirm inspection sequence directly with jurisdiction.

Additional Resources

• Resource 1
• Resource 2
• Resource 3
• Resource 4
• Resource 5
• Resource 6
• License lookup guide: Texas Contractor License Requirements
• Contract template: Texas Homeowner-Contractor Agreement
• Texas hub: Texas Contractor License & Permit Hub

Frequently Asked Questions

Fannin County Building Permit FAQ

Do I need a building permit in unincorporated Fannin County, TX?

Confirm permit triggers directly with jurisdiction.

How much does a building permit cost in unincorporated Fannin County, TX?

The minimum permit fee is Not extracted for all county permit types in this pass.. Fees are calculated as: County fees vary by permit type. Current county sources publish separate septic and platting fee schedules rather than one unified building-permit schedule.. Plan check fee: Not publicly summarized in one countywide table..

How do I apply for a building permit in unincorporated Fannin County, TX?

1. Verify the parcel is actually in unincorporated Fannin County and not inside city limits or only inside a city's ETJ. 2. Identify the correct county control. Public county sources verify separate tracks for OSSF/septic, floodplain development, subdivision/development approvals, manufactured-home rental community development permits, and junkyard permits. 3. Create an MGO account for the county's online permitting and payment workflow. 4. Submit the project-specific application and supporting documents through MGO or the county's directed process: 5. Pay the applicable county fee schedule. 6. Wait for county review and approval before starting work where the county's rules require prior approval. 7. Complete required inspections or final approvals where applicable.

How long does it take to get a building permit in unincorporated Fannin County, TX?

Typical processing time is No public processing-time estimate found..

How do I schedule a building inspection in unincorporated Fannin County, TX?

Inspections can be scheduled via: OSSF and floodplain matters are coordinated through the county's MGO workflow and department contacts., Confirm any project-specific inspections directly with the responsible county office..