County Building Permits
Custer County, OK - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Custer County, Oklahoma. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated Custer County only; county letter says no building permits in unincorporated areas.
- Department
- Custer County Commissioners / Zoning Office
- Address
- Custer County Courthouse, 675 West "B" Street, Arapaho, OK 73620
- Phone
- 580-323-4420
Online Permit Portal
Platform: County web page with approved permit listings and permit links/forms • Account required: No • Submission: In-person only
Application Process
- Confirm the property is outside city limits and not on tribal land or in a special flood hazard area.
- If the work affects county right-of-way, obtain the county permit form and submit it to the county office.
- If the project is in a floodplain, obtain a development permit from the county.
- County states there is no building permit requirement in unincorporated areas.
General Requirements
No building permit is required in unincorporated areas; county right-of-way permits are required for encroachments to or on county right-of-ways, and floodplain development permits are required in special flood hazard areas.
Required Documents
- County right-of-way permit form
- Floodplain documentation if applicable
- Building code
- County letter states there are no county zoning or fire safety and health regulations, except state statutes or city ordinances; no county building permit requirement in unincorporated areas.
Work That Does NOT Require a Permit
- All work in unincorporated areas is not subject to a county building permit, per county letter.
- County right-of-way work is not exempt if it encroaches on county right-of-way.
- Floodplain construction and development is not exempt if located in a special flood hazard area.
Inspections
How to Schedule
Additional Resources
- Building code: County letter states there are no county zoning or fire safety and health regulations, except state statutes or city ordinances; no county building permit requirement in unincorporated areas.
- Zoning information: View zoning info
- County permit letter
- County permits page
- License lookup guide: Oklahoma Contractor License Requirements
- Contract template: Oklahoma Homeowner-Contractor Agreement
- Oklahoma hub: Oklahoma Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Custer County Commissioners / Zoning Office before applying.
Frequently Asked Questions
Custer County Building Permit FAQ
- Do I need a building permit in unincorporated Custer County, OK?
- No building permit is required in unincorporated areas; county right-of-way permits are required for encroachments to or on county right-of-ways, and floodplain development permits are required in special flood hazard areas.
- How do I apply for a building permit in unincorporated Custer County, OK?
- 1. Confirm the property is outside city limits and not on tribal land or in a special flood hazard area. 2. If the work affects county right-of-way, obtain the county permit form and submit it to the county office. 3. If the project is in a floodplain, obtain a development permit from the county. 4. County states there is no building permit requirement in unincorporated areas.
- What work is exempt from building permits in unincorporated Custer County, OK?
- The following work is generally exempt: All work in unincorporated areas is not subject to a county building permit, per county letter.; County right-of-way work is not exempt if it encroaches on county right-of-way.; Floodplain construction and development is not exempt if located in a special flood hazard area..
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