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City building permits

City of Montesano

How to apply for a building permit in City of Montesano, Washington. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Building Department

Street address
112 N. Main St., Montesano, WA 98563
Coverage
All properties within the incorporated City of Montesano.
§ 02

When a permit is required

Permit triggers and exempt work for Montesano

A building permit is required for all construction within the City of Montesano.

Note: Contact Building Department for specific exemptions.

Required documents
  • Building Permit Application form
  • Property owner information
  • Project description
  • Estimated construction cost
  • Contractor information
  • Site plan and construction documents
Building code
International Building Code (IBC), International Residential Code (IRC) with Washington State amendments
Contractor requirements
Must be registered with Washington State L&I.

Source: Building Department ↗

§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Obtain Building Permit Application form from City Hall
  2. 02
    Complete application with property owner information, project description, estimated construction cost, and contractor information
  3. 03
    Submit site plan and construction documents
  4. 04
    Pay permit fees
  5. 05
    Schedule inspections

Source: Building Department ↗

§ 04

Fee schedule

Montesano building permit fees

Fee type
Amount
01
Permit fee formula
Based on project valuation or square footage

Contact Building Department for current rates.

§ 05

Required inspections

Scheduling and sequence

Typical sequence: Inspections scheduled through Building Department. Final inspection required for Certificate of Occupancy.

Source: Building Department ↗

§ 06

Frequently asked

Common questions about Montesano permits

01 Do I need a building permit in Montesano, WA?
A building permit is required for all construction within the City of Montesano.
02 How much does a building permit cost in Montesano, WA?
Building permit fees in Montesano, WA are set by the local building department and vary by project type and valuation. Fees are calculated as: Based on project valuation or square footage.
03 How do I apply for a building permit in Montesano, WA?
To apply for a building permit in Montesano, WA, follow these steps: 1. Obtain Building Permit Application form from City Hall 2. Complete application with property owner information, project description, estimated construction cost, and contractor information 3. Submit site plan and construction documents 4. Pay permit fees 5. Schedule inspections
last verified April 2026 source Building Department ↗ entry id permits/washington/grays-harbor/montesano

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

§   Adjacent

Other jurisdictions in Grays Harbor County.

Same county, different permit office. Click for that jurisdiction's full guide.

All Grays Harbor County jurisdictions →