City Building Permits

North Plains, OR - 2026 Building Permit Guide

How to apply for a building permit in North Plains, Oregon. Permit authority, application steps, fees, and inspection requirements.

Oregon Washington County Updated March 2026

Permit Authority

North Plains explicitly states that land use permits and building permits are separate. City planning handles local development review; Washington County handles building permit information and issuance.

Department
City of North Plains Planning Department for land use review; Washington County Land Use and Transportation Department, Development Services Division, Building Services Section for building permits
Address
City of North Plains, 31360 NW Commercial Street, North Plains, OR 97133
Phone
City 503-647-5555; Washington County Building Services 503-846-3470
Website
https://northplains.gov/Documents/How%20Do%20I/Document%20Center/north_plains_planning_guide_april2023.pdf

Online Permit Portal

Open Washington County BDAS / ProjectDox plus City of North Plains planning intake

Platform: Washington County BDAS / ProjectDox plus City of North Plains planning intake • Account required: Yes • Submission: In-person only

Application Process

  1. Start with North Plains staff to determine whether the project needs land use approval, building permits, or both.
  2. Submit any city planning or land use application and satisfy conditions of approval.
  3. Complete CWS review where required. CWS states homeowners in North Plains need appropriate CWS permits before getting county permits.
  4. Apply to Washington County for the building permit once the city and utility prerequisites are ready.
  5. Upload plans, pay fees, and resolve county review comments.
  6. Obtain issued permit and complete county inspections plus any city engineering or planning sign-off required by conditions.

Typical processing time: North Plains planning guide states some Type IV legislative land use actions take about 60 to 90 days from complete submittal to the end of the appeal period. No city-specific building permit review estimate is posted.

Source: City of North Plains Planning Department for land use review; Washington County Land Use and Transportation Department, Development Services Division, Building Services Section for building permits

General Requirements

Depends on the activity. The city guide notes some projects need land use permits, some need building permits, and some need both.

Required Documents

  • Varies by permit type. City planning packets and county building permit documents apply separately.
Permit validity
County-issued building permits generally follow Oregon's 180-day rule unless extended.
Building code
State of Oregon building specialty codes enforced by Washington County.
Owner-builder
No city-specific owner-builder rule stated in the planning guide; Oregon owner-builder rules apply for county permits.
Contractor requirements
Oregon contractor and trade license requirements apply.

Fees

Minimum permit fee
Not clearly summarized on the planning guide reviewed.
Plan check fee
County plan review fees apply to county-issued permits.
Permit fee formula
City planning fees and county building fees are separate; county structural permits are typically valuation-based and trade permits schedule-based.
Reinspection fee
County reinspection and work-without-permit charges may apply; city land use appeals and extensions also have separate costs.
Penalty (no permit)
County reinspection and work-without-permit charges may apply; city land use appeals and extensions also have separate costs.
Payment note
Confirm separately with city staff and county staff based on permit type

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

  • The city's planning guide notes a simple outdoor shed under 200 square feet may not require a building permit.
  • Other state residential permit exemptions may apply to low-risk minor work, but city land use review can still be required.

Inspections

How to Schedule

  • Washington County inspection scheduling for county-issued permits; city coordination for planning and engineering conditions (other)
Inspection hours
City Hall general contact is 503-647-5555; county inspection windows vary by county procedure
Time windows
City Hall general contact is 503-647-5555; county inspection windows vary by county procedure

Typical inspection sequence: County-issued permits follow standard footing, framing, rough-trade, and final flow

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of North Plains Planning Department for land use review; Washington County Land Use and Transportation Department, Development Services Division, Building Services Section for building permits before applying.

Frequently Asked Questions

North Plains Building Permit FAQ

Do I need a building permit in North Plains, OR?
Depends on the activity. The city guide notes some projects need land use permits, some need building permits, and some need both.
How much does a building permit cost in North Plains, OR?
The minimum permit fee is Not clearly summarized on the planning guide reviewed.. Fees are calculated as: City planning fees and county building fees are separate; county structural permits are typically valuation-based and trade permits schedule-based.. Plan check fee: County plan review fees apply to county-issued permits..
How do I apply for a building permit in North Plains, OR?
1. Start with North Plains staff to determine whether the project needs land use approval, building permits, or both. 2. Submit any city planning or land use application and satisfy conditions of approval. 3. Complete CWS review where required. CWS states homeowners in North Plains need appropriate CWS permits before getting county permits. 4. Apply to Washington County for the building permit once the city and utility prerequisites are ready. 5. Upload plans, pay fees, and resolve county review comments. 6. Obtain issued permit and complete county inspections plus any city engineering or planning sign-off required by conditions.
How long does it take to get a building permit in North Plains, OR?
Typical processing time is North Plains planning guide states some Type IV legislative land use actions take about 60 to 90 days from complete submittal to the end of the appeal period. No city-specific building permit review estimate is posted..
What work is exempt from building permits in North Plains, OR?
The following work is generally exempt: The city's planning guide notes a simple outdoor shed under 200 square feet may not require a building permit.; Other state residential permit exemptions may apply to low-risk minor work, but city land use review can still be required..
How do I schedule a building inspection in North Plains, OR?
Inspections can be scheduled via: Washington County inspection scheduling for county-issued permits; city coordination for planning and engineering conditions.

Need help with your project?

Navigating permits in North Plains can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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