Williams + Paddon Architects + Planners Inc. Share: Architects & Surveyors Williams + Paddon Architects + Planners Inc. Visit Website 2237 Douglas Blvd Ste 160 Roseville, CA 95661-4223 (916) 786-8178 (916) 786-2175 (fax) LinkedIn Facebook Map What's Nearby? Distance: 5 10 15 20 25 50 mi.