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Multnomah County, Oregon

Licensed Trade Records in Multnomah County, Oregon

Browse 3,837 verified licensed trade contractors registered across Multnomah County, Oregon (including Portland, Gresham, Troutdale, Fairview, Wood Village, Maywood Park). Every record is compiled from Oregon Construction Contractors Board & Building Codes Division (OR CCB / BCD) public credential files under Oregon Revised Statutes Chapter 701 (Construction Contractors Board Licensing, Surety Bond, and Liability Insurance Requirements).

Official State Authority: Oregon Construction Contractors Board & Building Codes Division (OR CCB / BCD) Official Registry · County Seat: Portland

Municipalities in Multnomah County (5)

Select a city or town in Multnomah County to view local permit guidance and registered all trades records:

Portland 3170Gresham 456Troutdale 118Fairview 60Wood Village 33

3837 all trades records · Multnomah County, OR

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Public Directory Quality: Official OR CCB / BCD license records across Multnomah County · Zero sponsored order · Never sold as a lead · How our data works →

All trades directory — Multnomah County

3837 matching records across 5 open municipalities · 25 on this page · Contactable records first, then alphabetical.

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1st Call Plumbing & Drain Cleaning

Official license file From the official license file Plumbing · Oregon Building Codes Division · Specialty scope: Plumbing, Sewer & Drain

Registered address: 6615 SE 42ND AVE, Portland, OR 97206

PB1126 · Source dated 2026-10-18 · Service area not confirmed. · Verify on OR portal →

No public phone or website on record.
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3 Brothers Home Solutions

Official license file From the official license file Electrical · Oregon Building Codes Division

Registered address: 7542 SE WEBSTER LN, Portland, OR 97267

C2137 · Source dated 2026-10-18 · Service area not confirmed. · Verify on OR portal →

No public phone or website on record.
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Aaa Heating & Cooling Inc

Official license file From the official license file Heating & cooling · Oregon Building Codes Division

Registered address: 6040 N CUTTER CIR STE 303, Portland, OR 97217

26-560PB · Source dated 2026-10-18 · Service area not confirmed. · Verify on OR portal →

No public phone or website on record.
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Aaron's Plumbing CO

Official license file From the official license file Plumbing · Oregon Building Codes Division

Registered address: 644 SE 141ST AVE, Portland, OR 97233

26-802PB · Source dated 2026-10-18 · Service area not confirmed. · Verify on OR portal →

No public phone or website on record.
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Adf Plumbing

Official license file From the official license file Plumbing · Oregon Building Codes Division

Registered address: 21434 SE OAK ST, Gresham, OR 97030

PB800 · Source dated 2026-10-18 · Service area not confirmed. · Verify on OR portal →

No public phone or website on record.
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Before the first call

  • Describe the job and ask whether it is within their scope and service area.
  • Check the credential with its issuing authority and ask what applies where the work will happen.
  • Ask about insurance, availability, who will do the work, and a written scope.
  • Ask about callout fees, labor or fixed rates, materials, cancellation and any estimate charge.
Prepare a project brief

Verification Overview & Key Takeaways: How to Check Official Credentials

HomeCrafto displays source records with different scopes, including licenses, registrations, municipal permits and community records. A source entry is not proof of qualification for your job. Before signing a work order or paying a deposit, homeowners should confirm that the contractor’s credential number is active, verify that the license classification covers the specific trade scope required for the job, and request a current Certificate of Insurance (COI) directly from the issuing insurance carrier. Independent verification protects your property and ensures compliance with local building codes.

How do you verify a contractor license number and insurance on official portals (FAQ)?

You can verify active license standing and consumer protection rules directly through official government portals, including Washington L&I Contractor Verify, the California Contractors State License Board (CSLB), the Connecticut eLicense Portal, USA.gov State Consumer Protection Offices, and FTC Home Improvement Consumer Guidance. Always confirm municipal permit requirements with your local building department before work begins.