Multnomah County plan check and resubmittal guide

What we could verify about Multnomah County’s permit office from government and permit portal pages, what Oregon law says about plan check there, and how to answer a correction letter. Each fact links to its source.

Multnomah County permit office

• Portland Permitting & Development (PP&D): 503-823-7300 (portland.gov, checked October 31, 2026)
• Address: 1900 SW Fourth Avenue, First floor lobby, Portland, OR 97201 (portland.gov, checked October 31, 2026)
• Resubmittal instructions

Links and facts checked on October 31, 2026.

How to resubmit after Multnomah County plan check corrections

1. Make changes and corrections on plan sets.
2. Check the box under Acknowledgements.

From Multnomah County’s own page, read October 31, 2026: portland.gov

What to include

• The reviewer issued checksheet.
• The checksheet response form.
• Supplemental or Replacement Calculations (as needed).
• Reference Materials (as needed).
• Upload pages that have changed, only.
• Ensure a “submitted” date stamp is on every page.
• PDF files should not be locked or contain electronic signatures.

From Multnomah County’s own page, read October 31, 2026: portland.gov

Codes its letters cite

Local amendments to the building code

The state building code is uniform statewide: cities and counties may not set different requirements unless the state Building Codes Division authorizes them.

Source: oregonlegislature.gov

Multnomah County and Oregon

Guides for places in Multnomah County:

• City of Portland
• City of Troutdale
• City of Wood Village

Oregon rules every plan check here follows

These come from Oregon law and state agencies, so they apply in Multnomah County as well. Each links to its source.

Residential code

The 2026 Oregon Residential Specialty Code took effect on Oct. 1, 2026. Chapter 1 is already mandatory; Chapters 2 - 44 and the appendices become mandatory on April 1, 2027.

Source: Oregon Building Codes Division, checked October 31, 2026

Commercial (structural) code

Commercial buildings follow the 2025 Oregon Structural Specialty Code. It took effect Oct. 1, 2025, and after a 6-month phase-in became mandatory on April 1, 2026.

Source: Oregon Building Codes Division, checked October 31, 2026

Commercial energy code

Energy rules for commercial buildings come from the 2025 Oregon Energy Efficiency Specialty Code, mandatory since July 1, 2025.

Source: Oregon Building Codes Division, checked October 31, 2026

Electrical code

Electrical work follows the 2026 Oregon Electrical Specialty Code, based on the 2026 National Electrical Code, in effect since Oct. 1, 2026.

Source: Oregon Building Codes Division, checked October 31, 2026

Plumbing code

Plumbing work follows the 2026 Oregon Plumbing Specialty Code, based on the 2024 Uniform Plumbing Code, in effect since Oct. 1, 2026.

Source: Oregon Building Codes Division, checked October 31, 2026

What a good response to checksheet has

General guidance, not Multnomah County’s own rules. Check its page before you resubmit.

• Answer every comment, in the reviewer’s order and numbering, so nothing is missed.
• Say plainly what you changed for each comment, or why no change is needed.
• Name the sheet and detail where each change is, so the reviewer can find it fast.
• Mark changes on the drawings (clouds or deltas are common) and keep sheet numbers the same.
• Send the response letter, the revised drawings and any new calculations together.

Other Oregon city guides

• City of Fairview
• City of Gresham
• City of Lake Oswego
• City of Maywood Park
• City of Milwaukie

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