Building Setbacks & Zoning in Richland, WA (2026)
3 verified building setbacks & zoning rules for Richland, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
RMC § 23.18.040 sets minimum yard setbacks for the City of Richland, Washington's five residential zones: 20 feet front and 25 feet rear in R-1-12, R-1-10 and R-2, shrinking to 15-18 feet front and a split 20/3-foot rear in R-2S, with side yards ranging from 6 to 10 feet.
Richland Residential Yard Setback Minimums
Some RestrictionsRichland Municipal Code § 23.18.040
Standard R-1-12 R-1-10 R-2 R-2S R-3 ... Minimum ... Front Yard Setback3 20 feet 20 feet 20 feet 15 feet/18 feet4 20 feet6,10 Minimum Side Yard Setback 10 feet 10 feet 6 feet 6 feet5 6,10 ... Minimum ... Rear Yard Setback 25 feet 25 feet 25 feet 20 feet/3 feet7 25 feet6,10
Structure Height Limits
In the City of Richland, Washington, RMC § 23.18.040 caps residential building height at 30 feet in the R-1-12, R-1-10, R-2 and R-2S zones and 40 feet in the R-3 multifamily zone. Detached accessory buildings are capped lower, at 16 feet, in every one of the five residential districts citywide.
Richland Residential Building Height Limits
Some RestrictionsRichland Municipal Code § 23.18.040
Standard R-1-12 R-1-10 R-2 R-2S R-3 ... Maximum Building Height – Main Building 30 feet 30 feet 30 feet 30 feet 40 feet10 ... ... 10. Setbacks, building heights, and lot coverage requirements for one-family attached, one-family detached and two-family detached dwellings in the R-3 zoning district shall be the same as those set forth for development in the R-2S zoning district.
Lot Coverage Limits
RMC § 23.18.040 caps how much of a residential lot in the City of Richland, Washington can be covered by buildings: 40 percent in the R-1-12, R-1-10 and R-2 districts, 50 percent in R-2S, and a split 33/45 percent standard in the R-3 multifamily district depending on housing type.
Richland Residential Lot Coverage Limits
Some RestrictionsRichland Municipal Code § 23.18.040
Standard R-1-12 R-1-10 R-2 R-2S R-3 ... Maximum Lot Coverage8 40% 40% 40% 50% 33%/45%9,10 ... ... 8. Lot coverage includes all buildings, including accessory buildings or structures on any lot in a residential district, exclusive of patios without roof coverings or patios with only open lattice or similar type roof construction. 9. Buildings in an R-3 district shall cover not more than 33 perce...
Looking for Benton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Richland city rules.
Building Setbacks & Zoning in Benton County →