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Jurisdiction directory

Oregon home project permits by county

Many Oregon households live outside city limits, where the county building department — not a city — issues the permit. 10 Oregon counties, covering the state's largest jurisdictions, are inventoried here.

Model reviewed August 2026

Counties covered

10

largest jurisdictions first

Municipalities tracked

13

in Oregon

Population covered

3.3M

residents in listed counties

Code basis

Statewide

Oregon Residential Specialty Code, based on the IRC

Featured counties

The largest and most active permit jurisdictions in the state.

Multnomah County795,083 residents · seat PortlandWashington County600,372 residents · seat HillsboroLane County382,986 residents · seat EugeneClackamas County421,401 residents · seat Oregon CityMarion County345,920 residents · seat SalemJackson County223,259 residents · seat MedfordDeschutes County204,801 residents · seat BendLinn County130,440 residents · seat AlbanyDouglas County111,467 residents · seat RoseburgYamhill County108,605 residents · seat McMinnville

All Oregon counties we cover

10 counties, largest first.

Multnomah CountySeat: Portland · 795,083 residentsWashington CountySeat: Hillsboro · 600,372 residentsClackamas CountySeat: Oregon City · 421,401 residentsLane CountySeat: Eugene · 382,986 residentsMarion CountySeat: Salem · 345,920 residentsJackson CountySeat: Medford · 223,259 residentsDeschutes CountySeat: Bend · 204,801 residentsLinn CountySeat: Albany · 130,440 residentsDouglas CountySeat: Roseburg · 111,467 residentsYamhill CountySeat: McMinnville · 108,605 residents

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.