Building Setbacks & Zoning in Portland, OR (2026)
3 verified building setbacks & zoning rules for Portland, Oregon, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Portland's Title 33 (Planning and Zoning) establishes setback requirements for all zones. Setbacks vary by zone designation, lot size, and building type. Residential zones (R5, R7, R10, etc.) have front, side, and rear setbacks that determine where structures may be built on a lot.
Portland Property Setback Requirements
Heavy RestrictionsStructure Height Limits
Portland's Title 33 (Planning and Zoning) establishes maximum building heights by zone. Single-dwelling residential zones generally limit height to 30 feet. Multi-dwelling and commercial zones have higher limits. Height is measured from average grade to the highest point of the structure.
Portland Structure Height Limits
Heavy RestrictionsLot Coverage Limits
Portland's Title 33 (Planning and Zoning) limits the maximum building coverage (lot coverage) in residential zones. The R5 zone allows up to 45% lot coverage for primary structures plus accessory structures. Coverage limits help maintain open space, stormwater infiltration, and neighborhood character.
Portland Maximum Lot Coverage Limits
Heavy RestrictionsLooking for Multnomah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Portland city rules.
Building Setbacks & Zoning in Multnomah County →