County Building Permits
Grays Harbor County, WA - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Grays Harbor County, Washington. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All unincorporated areas of Grays Harbor County.
- Department
- Planning and Building Department
- Address
- 100 West Broadway Ave., Suite 31, Montesano, WA 98563
- Phone
- (360) 249-5579
- PBD@graysharbor.us
Online Permit Portal
Platform: SmartGov Community • Account required: Yes • Submission: Online only
Additional resources:
Application Process
- Create profile on online portal (click Sign Up)
- Review application checklists in Document Center
- Submit application with required documents
- Pre-application conference recommended (especially for commercial; available via Microsoft Teams)
- Participate in application review (timelines vary by permit type)
- Pay fees online
- Download approved permits
- Request inspections through portal
Typical processing time: Varies by permit type.
Source: Planning and Building Department
General Requirements
Just about everything requires a building permit in unincorporated Grays Harbor County.
Required Documents
- Site plan (sketch acceptable for new construction/additions; show overall future plans)
- Building code
- International Building Code (IBC) with Washington State amendments
- Contractor requirements
- Washington State L&I registration required.
Fees
- Permit fee formula
- Based on project valuation
- Payment note
- Paid online through portal. Contact Permit Coordinator for current rates.
Work That Does NOT Require a Permit
- Accessory structures 800 square feet or less (in certain zoning districts)
- Storage sheds 200 square feet or less
- Agricultural buildings 5,500 square feet or less (in certain zoning districts)
- Painting
- Fence replacement (if not too tall)
- Re-roofing (if not replacing structural components)
Important: If grading or filling required for exempt structure, building permit still needed.
Inspections
How to Schedule
- SmartGov portal (online)
- Environmental Health for septic inspections (phone)
- Scheduling deadline
- Cutoff time: 12:00 AM (midnight) for next-day inspection requests.
- Inspection hours
- Most inspections conducted 8:00 AM - 4:30 PM
Typical inspection sequence: Same-day inspections not accepted.
Additional Resources
- Building code: International Building Code (IBC) with Washington State amendments
- Verify contractor license: WA L&I Contractor Lookup
- Document Center (Checklists & Handouts)
- Historical Permits
- License lookup guide: Washington Contractor License Requirements
- Contract template: Washington Homeowner-Contractor Agreement
- Washington hub: Washington Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Planning and Building Department before applying.
Frequently Asked Questions
Grays Harbor County Building Permit FAQ
- Do I need a building permit in unincorporated Grays Harbor County, WA?
- Just about everything requires a building permit in unincorporated Grays Harbor County.
- How much does a building permit cost in unincorporated Grays Harbor County, WA?
- Fees are calculated as: Based on project valuation.
- How do I apply for a building permit in unincorporated Grays Harbor County, WA?
- 1. Create profile on online portal (click Sign Up) 2. Review application checklists in Document Center 3. Submit application with required documents 4. Pre-application conference recommended (especially for commercial; available via Microsoft Teams) 5. Participate in application review (timelines vary by permit type) 6. Pay fees online 7. Download approved permits 8. Request inspections through portal
- How long does it take to get a building permit in unincorporated Grays Harbor County, WA?
- Typical processing time is Varies by permit type..
- What work is exempt from building permits in unincorporated Grays Harbor County, WA?
- The following work is generally exempt: Accessory structures 800 square feet or less (in certain zoning districts); Storage sheds 200 square feet or less; Agricultural buildings 5,500 square feet or less (in certain zoning districts); Painting; Fence replacement (if not too tall); Re-roofing (if not replacing structural components). Note: If grading or filling required for exempt structure, building permit still needed.
- How do I schedule a building inspection in unincorporated Grays Harbor County, WA?
- Inspections can be scheduled via: SmartGov portal, Environmental Health for septic inspections. Cutoff time: 12:00 AM (midnight) for next-day inspection requests..
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