Setbacks vary by zoning district. In urban low-density residential (R-5 to R-30) the ZDO requires a 15-foot front setback (20 ft to a garage), 20-foot rear, and 5-foot side. Rural RA-2 and farm EFU lots require 30-foot front/rear and 10-foot side.
Clackamas County sets minimum yard setbacks per zoning district in the ZDO. Urban low-density residential districts (R-2.5 through R-30) require a minimum 15-foot front setback, 20 feet to a garage or carport entry, a 20-foot rear setback, and 5-foot side setbacks, with exceptions for small legacy lots and swimming pools. Rural single-family (RA-2) and Exclusive Farm Use (EFU) districts require 30-foot front and rear yards and 10-foot side yards. Setback exceptions are handled through ZDO Section 903, and variances through Section 1205.
A structure encroaching into a required setback is a ZDO violation; it can require a variance, a property-line adjustment, or removal, and may block final building inspection.
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See how Clackamas County's setback rules rules stack up against other locations.
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