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 single-dwelling zoning code sets minimum yard setbacks in Table 110-4: a 20-foot front setback in the RF, R20, and R10 zones, tapering to 10 feet in R5 and R2.5, with 5- to 10-foot side and rear setbacks.
Portland Yard Setback Minimums by Zone
Some RestrictionsPortland City Code Section 33.110.220(B)
B. Required setbacks. The required setbacks for buildings and garage entrances are stated in Table 110-4. The walls of the garage structure are subject to the front, side, and rear building setbacks stated in Table 110-4. The minimum setbacks for institutional uses are stated in 33.110.270, Institutional Development Standards. Other setbacks may apply to specific types of development or situati...
Structure Height Limits
Portland caps single-dwelling home height at 30 feet in most residential zones and 35 feet in the denser R2.5 zone, per Table 110-4 under City Code § 33.110.215, with narrow exceptions for chimneys, dormers, and solar panels.
Portland Residential Structure Height Limits
Some RestrictionsPortland City Code § 33.110.215
B. Maximum height. The maximum height allowed is stated in Table 110-4. The maximum height standards for detached and connected accessory structures are stated in 33.110.245, Detached and Connected Accessory Structures. The maximum height standard for narrow lots is stated in 33.110.260, Additional Development Standards for Narrow Lots. The maximum height standard for small flag lots is stated ...
Lot Coverage Limits
Portland caps building footprint by lot size in single-dwelling zones, from 50% on small lots down to a sliding percentage on larger ones.
Portland Building Coverage Limits
Some RestrictionsPortland City Code § 33.110.225
B. Building coverage standards. The maximum combined building coverage allowed on a site for all covered structures is stated in Table 110-5. ... Less than 3,000 sq. ft.: 50% of lot area. 3,000 to 5,000 sq. ft.: 1,500 sq. ft. + 37.5% of lot area over 3,000 sq. ft. 5,000 to 20,000 sq. ft.: 2,250 sq. ft + 15% of lot area over 5,000 sq. ft. 20,000 sq. ft. or more: 4,500 sq. ft. + 7.5% of lot area ...
Looking for Multnomah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Portland city rules.
Building Setbacks & Zoning in Multnomah County →