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When a permit is required
Permit triggers and exempt work for Chelan County
Building permits required for most construction projects in unincorporated Chelan County.
- Exempt One-story detached accessory structures (sheds, playhouses) under 200 square feet
- Exempt Fences not over 7 feet high
- Exempt Retaining walls not over 4 feet high (unless supporting surcharge)
- Exempt Water tanks supported directly on grade (capacity limitations apply)
- Exempt Sidewalks and driveways
- Exempt Painting, papering, tiling, carpeting, cabinets, countertops
- Exempt Prefabricated swimming pools (less than 24 inches deep)
- Exempt Swings and other playground equipment
Note: Work exempt per Section 105 of IRC/IBC. Even when permits are not required, work must comply with applicable codes and zoning regulations. Contact Chelan County Community Development at (509) 667-6225 to confirm specific exemptions.
- Completed application forms
- Site plans
- Building plans
- Building code
- 2021 International Building Code (IBC), International Residential Code (IRC) with Washington State amendments; Washington State Energy Code, as adopted by Washington State Building Code Council
Application process
Typical processing: Varies by project type and complexity.
- 01 Contact Chelan County Community Development at (509) 667-6225 to discuss your project and determine applicable permits
- 02 Determine if property is in a Critical Areas Overlay District (geologically hazardous areas, wetlands, fish/wildlife habitat, critical aquifer recharge areas, or frequently flooded areas)
- 03 If property is in an affected water mitigation basin (Entiat Basin WRIA 46, Lake Chelan Basin WRIA 47, or Wenatchee Basin subbasins), gather evidence of water supply adequacy or arrange mitigation credit purchase
- 04 Prepare completed application forms
- 05 Prepare site plans and building plans
- 06 Submit application and supporting documents to Chelan County Community Development
- 07 Pay applicable fees
- 08 County processes application and conducts plan review
- 09 Obtain permit upon approval
Typical processing time: Varies by project type and complexity.
Fee schedule
Chelan County building permit fees
Inspections with no specific fee: $75/hour (minimum 1 hour). Additional plan review for changes/additions/revisions: $75/hour (minimum 2 hours). Outside consultants for plan checking/inspections: Actual costs.
Required inspections
Scheduling and sequence
- (509) 667-6225 (phone)
- Scheduling deadline
- Contact Chelan County Community Development to schedule inspections.
Typical sequence: Typical sequence: Foundation/Footings, Framing, Plumbing rough-in, Mechanical rough-in, Electrical rough-in (L&I), Insulation, Final inspection. Inspection rights include review of all applicable county permits, comparison of actual work with approved methods, and recording of violations.
Frequently asked
Common questions about unincorporated Chelan County permits
01 Do I need a building permit in unincorporated Chelan County, WA? ▸
02 How much does a building permit cost in unincorporated Chelan County, WA? ▸
03 How do I apply for a building permit in unincorporated Chelan County, WA? ▸
04 How long does it take to get a building permit in unincorporated Chelan County, WA? ▸
05 What work is exempt from building permits in unincorporated Chelan County, WA? ▸
06 How do I schedule a building inspection in unincorporated Chelan County, WA? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Chelan County Community Development Department before applying. Jaspector is not legal advice.