Information may be inaccurate or out of date. Always confirm permit requirements with the official city, county or state website before you start work. Read our disclaimer

Building Permits in Portland, Oregon

Part of Multnomah County.

We checked Portland's own official pages for 8 types of projects (shed, fence, deck, roof, pool, tree removal, solar panels, demolition). Permits are issued by City of Portland building department. Every rule below links to the page it was taken from, so you can confirm it before you start work. Last verified September 29, 2026.

Verified permit information is available for 1 project type in Portland.

Verified Permit Categories

Portland rules in detail

Shed

Exempt from a permit
A shed or other non-habitable one-story detached accessory structure does not need a building permit if it is smaller than the size that would require a residential building permit. source: portland.gov

Fence

Exempt from a permit
A fence up to seven feet high built in compliance with Zoning Code fence requirements does not need a building permit. source: portland.gov
Conditions
A building permit is required to put up a fence more than seven feet high. source: portland.gov

Deck

Exempt from a permit
Building stairs, a patio, or a deck that is not more than 30 inches above grade does not need a building permit. source: portland.gov
Conditions
A building permit is required to build a deck more than 30 inches high. source: portland.gov

Roof

Conditions
A permit is required to reroof dwellings in Wildfire Zones, to reroof a townhouse, or to install building-integrated photovoltaic (solar) roof panels and other photovoltaic roof coverings. source: portland.gov
Exempt from a permit
Reroofing with a roofing material of similar weight, including replacement of some or all existing roof sheathing, does not need a building permit. source: portland.gov

Pool

Conditions
A building permit is required to install a barrier around any swimming pool or to construct an in-ground swimming pool. source: portland.gov

Tree Removal

Conditions
Tree planting, preservation, or related requirements may apply under Title 11, the Tree Code. source: portland.gov

Solar Panels

Conditions
Installation of solar panels or solar roof coverings requires a building permit. source: portland.gov

Demolition

Size limit (sq ft)
200 source: portland.gov
Height limit (ft)
15 source: portland.gov

Not yet verified

These permit categories do not yet have enough verified information to publish a linked permit page.

  • Shed
  • Fence
  • Deck
  • Roof
  • Pool
  • Patio
  • Pergola
  • Garage
  • Carport
  • Tree Removal
  • Solar Panels
  • HVAC
  • Electrical
  • Plumbing
  • Driveway
  • ADU
  • Home Addition
  • Windows
  • Water Heater

Where to apply

City of Portland building department · official website · apply online

Oregon statewide rules

State defaults apply everywhere in the state; cities and counties may add stricter local rules.

Issued by
Building Codes Division source: oregon.gov
Local changes allowed
Limited source: oregonlegislature.gov
Building code
2023 Oregon Residential Specialty Code source: oregonlegislature.gov

Shed

Exempt from a permit
Small accessory buildings are on the state's director-designated exempt-items list and do not require a permit or fee under the state building code. source: oregonlegislature.gov

Roof

Exempt from a permit
Replacement or repair of roofing is on the state's director-designated exempt-items list and does not require a permit or fee under the state building code. source: oregonlegislature.gov

Driveway

Exempt from a permit
Driveways are on the state's director-designated exempt-items list and do not require a permit or fee under the state building code. source: oregonlegislature.gov

Permit guides