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County building permits

Unincorporated Okanogan County

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

Last verified
April 2026
On this page 6
§ 01

Permit authority

Building Department

Street address
123 North 5th Avenue, Room 115, Okanogan, WA 98840
Coverage
All properties in unincorporated areas of Okanogan County.
Online portal
Okanogan County Building Department
Manual submission
§ 02

When a permit is required

Permit triggers and exempt work for Okanogan County

A permit is required before constructing, enlarging, altering, repairing, moving, demolishing, or changing the occupancy of any building or structure.

Agricultural fences: orchards, snow breaks, corrals, exotic bird/animal fences
Agricultural buildings under 4,000 square feet used for storing farm implements, hay, grain, poultry, or livestock (no residential occupancy or processing)
Minor residential repairs and remodeling when fair market value does not exceed $3,000 (does not apply if project increases square footage or involves structural changes)
Other exemptions per Section 105 of the IBC/IRC as adopted by Washington State
  • Exempt Agricultural fences: orchards, snow breaks, corrals, exotic bird/animal fences
  • Exempt Agricultural buildings under 4,000 square feet used for storing farm implements, hay, grain, poultry, or livestock (no residential occupancy or processing)
  • Exempt Minor residential repairs and remodeling when fair market value does not exceed $3,000 (does not apply if project increases square footage or involves structural changes)
  • Exempt Other exemptions per Section 105 of the IBC/IRC as adopted by Washington State

Note: Zoning regulations (use, setbacks, lot coverage) apply regardless of permit exemption status. A site plan analysis from Planning and Development may be required for agricultural buildings even if a building permit is not required. Any change of occupancy or use of an exempt agricultural building requires a building permit and site plan analysis.

Required documents
  • 2026 Building Permit Application Packet
  • Property Owner's Permission to Build form (if applicant is not the owner)
  • Site plan drawn to scale
  • Construction plans/drawings
  • Energy code compliance worksheets
  • Inspection Check Off List
  • Plumbing certification forms (if applicable)
  • Design criteria compliance documentation (snow load, seismic, wind, frost)
Building code
2021 International Building Code (IBC) with Washington amendments, 2021 International Residential Code (IRC), International Mechanical Code, International Fire Code, Uniform Plumbing Code, Washington State Energy Code, and accessibility standards.
Permit validity
Permits expire per Washington State Building Code provisions.
Contractor requirements
Contractor registration with Washington State L&I required. Electrical permits obtained separately through Washington State L&I.

Source: Building Department ↗

§ 03

Application process

Typical processing: Processing time varies; contact Building Department for estimate.

  1. 01
    Download the Building Permit Application Packet (2026 edition) from the county building page.
  2. 02
    Complete the application. The property owner is always the permit holder; contractors act as agents of the owner.
  3. 03
    For agricultural buildings, obtain a Site Plan Analysis from the Office of Planning and Development.
  4. 04
    Coordinate with related departments as applicable: Public Health (septic/wastewater), Planning and Development (site analysis and zoning), Public Works (road approach permits), County Assessor (parcel/address).
  5. 05
    Submit application with all required documents to the Building Department.
  6. 06
    Pay required fees.
  7. 07
    Building Department reviews plans and issues permit.
  8. 08
    Schedule required inspections (call 24 hours in advance: 509-422-7110).
  9. 09
    Work must not be concealed before relevant inspections are passed.
  10. 10
    Certificate of Occupancy issued after successful final inspection.

Typical processing time: Processing time varies; contact Building Department for estimate.

Source: Building Department ↗

§ 04

Fee schedule

Effective 2026

Fee type
Amount
01
Permit fee formula
Fees based on project valuation (total value of all construction work). Set by the Building Official subject to approval by the Board of County Commissioners.
02
Penalty (no permit)
Investigation fee equal to the permit fee is assessed for unpermitted work, regardless of whether a permit is subsequently issued.

Fees changed in 2026. Contact the Building Department at 509-422-7110 for the current fee schedule.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • 509-422-7110 (phone)
Scheduling deadline
Call at least 24 hours in advance. Concrete pours take scheduling precedence.
Inspection hours
Monday through Friday, 8:00 AM to 4:30 PM
Time windows
Regional schedule: Local (Okanogan area): Mon-Fri; North Valley: Tue-Thu; Methow Valley: Wed-Fri

Typical sequence: Typical sequence: Foundation/footings, Framing, Rough-in plumbing, Rough-in mechanical, Electrical rough-in (L&I, separate from county), Insulation, Final inspection.

Source: Building Department ↗

§ 06

Frequently asked

Common questions about unincorporated Okanogan County permits

01 Do I need a building permit in unincorporated Okanogan County, WA?
A permit is required before constructing, enlarging, altering, repairing, moving, demolishing, or changing the occupancy of any building or structure.
02 How much does a building permit cost in unincorporated Okanogan County, WA?
Building permit fees in unincorporated Okanogan County, WA are set by the local building department and vary by project type and valuation. Fees are calculated as: Fees based on project valuation (total value of all construction work). Set by the Building Official subject to approval by the Board of County Commissioners..
03 How do I apply for a building permit in unincorporated Okanogan County, WA?
To apply for a building permit in unincorporated Okanogan County, WA, follow these steps: 1. Download the Building Permit Application Packet (2026 edition) from the county building page. 2. Complete the application. The property owner is always the permit holder; contractors act as agents of the owner. 3. For agricultural buildings, obtain a Site Plan Analysis from the Office of Planning and Development. 4. Coordinate with related departments as applicable: Public Health (septic/wastewater), Planning and Development (site analysis and zoning), Public Works (road approach permits), County Assessor (parcel/address). 5. Submit application with all required documents to the Building Department. 6. Pay required fees. 7. Building Department reviews plans and issues permit. 8. Schedule required inspections (call 24 hours in advance: 509-422-7110). 9. Work must not be concealed before relevant inspections are passed. 10. Certificate of Occupancy issued after successful final inspection.
04 How long does it take to get a building permit in unincorporated Okanogan County, WA?
Building permit processing times in unincorporated Okanogan County, WA typically run Processing time varies; contact Building Department for estimate.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Okanogan County, WA?
Not all construction work requires a permit in unincorporated Okanogan County, WA. The following work is generally exempt: Agricultural fences: orchards, snow breaks, corrals, exotic bird/animal fences; Agricultural buildings under 4,000 square feet used for storing farm implements, hay, grain, poultry, or livestock (no residential occupancy or processing); Minor residential repairs and remodeling when fair market value does not exceed $3,000 (does not apply if project increases square footage or involves structural changes); Other exemptions per Section 105 of the IBC/IRC as adopted by Washington State. Note: Zoning regulations (use, setbacks, lot coverage) apply regardless of permit exemption status. A site plan analysis from Planning and Development may be required for agricultural buildings even if a building permit is not required. Any change of occupancy or use of an exempt agricultural building requires a building permit and site plan analysis. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Okanogan County, WA?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Okanogan County, WA via: 509-422-7110. Call at least 24 hours in advance. Concrete pours take scheduling precedence..
last verified April 2026 source Building Department ↗ entry id permits/washington/okanogan/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Building Department before applying. Jaspector is not legal advice.