County Building Permits
Clatsop County, OR - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Clatsop County, Oregon. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All properties in unincorporated Clatsop County.
- Department
- Clatsop County Building Codes Division
- Address
- 800 Exchange Street, Suite 100, Astoria, Oregon 97103
- Phone
- (503) 338-3697
Online Permit Portal
Platform: Accela/Oregon ePermitting • Account required: Yes • Submission: Online only
Additional resources:
Application Process
- Apply online through Oregon ePermitting System or submit by mail, fax, or email for non-contractors
- Submit completed development permit and building permit applications
- Upon receipt, receive email with link to pay fees online
- Building Official reviews and calculates fees
- Complete all public works/engineering requirements prior to permit issuance
- Permit issued via email to applicant
- For larger or complex projects, pre-application meeting may be required
General Requirements
A development permit and building permit are generally required for all permitted uses in unincorporated Clatsop County.
Required Documents
- Completed application forms
- Site plan
- Detailed description of work with calculations
- Development permit and structural/building permit applications
- Building code
- Oregon Residential Specialty Code (ORSC) and Oregon Structural Specialty Code (OSSC)
Fees
- Permit fee formula
- Residential dwelling permit fees calculated using International Code Council Valuation Data Table; all applications/permits subject to 3% technology fee
- Reinspection fee
- $119
- Payment note
- Fees paid online via email link after receipt of application
Fees change. Verify current amounts at the official fee schedule (effective 2025-2026).
Work That Does NOT Require a Permit
- Sheds under 200 sq ft without electrical, plumbing, or HVAC systems
Important: Sheds larger than 200 sq ft or those with electrical, plumbing, or HVAC systems require permits
Inspections
How to Schedule
- Oregon ePermitting System (online)
- Inspection hours
- 7:30 a.m. to 4:00 p.m. Monday–Friday (excluding holidays)
Typical inspection sequence: Inspections required per state building code; re-inspection fees charged for inspections beyond standard allowance
Additional Resources
- Building code: Oregon Residential Specialty Code (ORSC) and Oregon Structural Specialty Code (OSSC)
- Verify contractor license: Oregon Construction Contractors Board (CCB)
- Oregon Building Codes Division
- Oregon DEQ 1200-C Stormwater Permit
- Oregon Division of State Lands (DSL) Removal-Fill
- Oregon Coastal Management Program (OCMP)
- License lookup guide: Oregon Contractor License Requirements
- Contract template: Oregon Homeowner-Contractor Agreement
- Oregon hub: Oregon Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Clatsop County Building Codes Division before applying.
Frequently Asked Questions
Clatsop County Building Permit FAQ
- Do I need a building permit in unincorporated Clatsop County, OR?
- A development permit and building permit are generally required for all permitted uses in unincorporated Clatsop County.
- How much does a building permit cost in unincorporated Clatsop County, OR?
- Fees are calculated as: Residential dwelling permit fees calculated using International Code Council Valuation Data Table; all applications/permits subject to 3% technology fee.
- How do I apply for a building permit in unincorporated Clatsop County, OR?
- 1. Apply online through Oregon ePermitting System or submit by mail, fax, or email for non-contractors 2. Submit completed development permit and building permit applications 3. Upon receipt, receive email with link to pay fees online 4. Building Official reviews and calculates fees 5. Complete all public works/engineering requirements prior to permit issuance 6. Permit issued via email to applicant 7. For larger or complex projects, pre-application meeting may be required
- What work is exempt from building permits in unincorporated Clatsop County, OR?
- The following work is generally exempt: Sheds under 200 sq ft without electrical, plumbing, or HVAC systems. Note: Sheds larger than 200 sq ft or those with electrical, plumbing, or HVAC systems require permits
- How do I schedule a building inspection in unincorporated Clatsop County, OR?
- Inspections can be scheduled via: Oregon ePermitting System.
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