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Home My WebLink AboutCity of Diamond Bar Residential Setbacks and Requirements_RL1/17/24, 12:55 PM Diamond Bar, CA Code of Ordinances about:blank 1/3 Requirement by Zoning District Development Feature RR RL RLM RM RMH RH RH-30 Minimum lot area (1) 1 acre 10,000 sq. ft. 8,000 sq. ft. 5,000 sq. ft.5 acres Residential density (2) 1 single- family unit per lot 1 single- family unit per lot; 3 per gross acre 1 single- family unit per lot; 5 per gross acre 12 dwellings per gross acre 16 dwellings per gross acre 20 dwellings per gross acre Maximum: 30 dwellings per net site acre Minimum: 20 dwellings per net site acre Setbacks required Minimum setbacks required for structures. See section 22.16.090 for setback measurement, allowed projections into setbacks, and exceptions to setbacks. See section 22.22.080(b)(6) for setback measurement in hillside areas. See section 22.42.120 for minimum setbacks required for accessory dwelling units. Minimum setbacks required for structures. See section 22.16.090 for setback measurement, allowed projections into setbacks, and exceptions to setbacks. See section 22.42.120 for minimum setbacks required for accessory dwelling units. Front (3)30 ft.20 ft.20 ft.20 ft.20 ft.20 ft. 1/17/24, 12:55 PM Diamond Bar, CA Code of Ordinances about:blank 2/3 Requirement by Zoning District Development Feature RR RL RLM RM RMH RH RH-30 Sides (each)15 ft. on one side, and 10 ft. on the other; but not less than 25 ft. between structures on adjoining parcels 10 ft. on one side, and 5 ft. on the other; but not less than 15 ft. between structures on adjoining parcels 5 ft.5 ft.5 ft.; plus 1 ft. for each story over 2 Street side 15 ft., reversed corner lot; 10 ft. otherwise 10 ft. reversed corner lot; 5 ft. otherwise 10 ft., reversed corner lot; 5 ft. otherwise 10 ft., reversed corner lot; 5 ft. otherwise 7.5 ft., reversed corner lot; 5 ft. otherwise 7.5 ft., reversed corner lot; 5 ft. otherwise Rear 25 feet from the property line or buildable pad on a descending slope whichever is applicable 20 feet from the property line or buildable pad on a descending slope whichever is applicable 20 feet from the property line or buildable pad on a descending slope whichever is applicable 25 ft. from the property line or buildable pad on a descending slope whichever is applicable 20 ft. from the property line or buildable pad on a descending slope whichever is applicable 20 ft. from the property line or buildable pad on a descending slope whichever is applicable Lot Coverage 30 percent 40 percent 40 percent 30 percent 30 percent 30 percent 60 percent 1/17/24, 12:55 PM Diamond Bar, CA Code of Ordinances about:blank 3/3 Requirement by Zoning District Development Feature RR RL RLM RM RMH RH RH-30 Height limit (4) 35 ft.35 ft. Hillside development As required by chapter 22.22 (Hillside Management) As required by chapter 22.22 (Hillside Management) Landscaping As required by chapter 22.24 (Landscaping) As required by chapter 22.24 (Landscaping Standards) Parking As required by chapter 22.30 (Parking and Loading) As required by chapter 22.30 (O-Street Parking and Loading Standards)