The offices of DobleThomas & Associates, Inc. provide professional land surveying, urban planning, civil engineering, GIS, aerial photography, photogrammetric mapping and land development permit processing services throughout Northern California. DobleThomas & Associates, Inc. has two office locations along the Russian River in Sonoma and Mendocino Counties serving both public and private clients. DobleThomas is currently working along the Napa River on California's largest floodplain and wildlife habitat restoration project. Land Development Projects currently include Major Subdivisions in Sea Ranch, Fort Bragg and Windsor.
Find us at the intersection of Mill Street and Healdsburg Avenue or in Ukiah