Bolthole Index

McClain County, Oklahoma

Zoning, building permits and septic rules in Town of Washington, Oklahoma

Town of Washington is a town in McClain County, Oklahoma. Town of Washington adopts its own zoning, so inside its limits Town of Washington’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the McClain County page.

Answers from the rulebook for Town of Washington

Town of Washington’s own rules

  • Building code adoptedAdopted

    Construction inside Washington town limits

    • Adopts current editions of ICC codes: IBC, IEBC, IRC, IFC, IFGC, IPC, IMC, IPMC, as modified from time to time.
    • Applies unless specifically excluded by the town.
    “the town of washington board of trustees has determined it in the best interests of the town and all residence thereof for the adoption of the current editions of the international building code, the international existing building code, the international residential code, the international fire code, the international fuel gas code, the international plumbing code, the international mechanical code, and the international property maintenance code, created by the international code council which are modified from time to time.”
  • Local zoningPresent

    Land inside Washington town limits, McClain County, OK

    • Town states its zoning ordinances (1989) and 1991 map were never updated as the town expanded; the commission and board are working to update both.
    • Residential zoning/development updates are in flux (proposed UDC sent back to commission, Nov 2025).
    “the planning & zoning commission reviews proposed amendments to zoning ordinances, site plans and plat applications”
  • Permit feesPublished

    Building permit fees inside Washington town

    • Fee schedule is in Chapter 4, Article 2 of the code (September 2024 version, updated 3/11/2025); amounts vary by square footage and inspection type.
    “article 2 - fees 41 section 4-10. building permit fee schedule 41 section 4-15. building permit fees 42”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Washington or McClain County directly.

  • Building permit — Construction inside Washington town
  • Owner-builder exemption — Owner-builders inside Washington town
  • Inspections — Construction inside Washington town
  • Certificate of occupancy — New construction inside Washington town
  • Zoning districts — Zoning districts inside Washington town
22 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit process

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of Washington publishes no rule on the point, not that none exists. McClain County’s page lists the county offices to call.

Off-grid gear

Going off-grid in Town of Washington means bringing your own water and power. The kit we’d start with:

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