Regional Planning Commission

615 Snow Ave.
Richland, WA 99352
7130 W. Grandridge Blvd Suite A
Kennewick, WA 99336
1622 Terminal Dr
Richland, WA 99352
P.O. Box 850
Benton City, WA 99320
620 Market Street
Prosser, WA 99350
3250 Port of Benton Blvd
Richland, WA 99354