DobleThomas & Associates

Specialties

Specialties

ALTA Land Title Surveys

FEMA Elevation Certificates, LOMA

Boundary and Topographic Surveys

Aerial Photography

Photogrammetric Mapping

LiDAR

Expert witness and exhibits in survey related litigation

Land Development and Subdivision Services Consultant

Cartographer to Real Estate Professionals and the Wine Industry

GIS Mapping (online) solutions for Land Development and Project Management

Hydrographic Surveying

Vineyard and Winery Development Plans

Grading, Drainage and Erosion Control Plans

Hydrology Studies and Hydraulic Calculations

Civil Engineering

Urban Planning

Land Surveying

Property Surveying

History

Established in 1970.

Upon completion of his survey supervision duties during the construction of Warm Springs Dam and Lake Sonoma, John Doble, PLS opened John H. Doble & Associates in Cloverdale. In 1989, Bradley A. Thomas, after 15 years of land surveying employment, opened Bradley A. Thomas & Associates in Sebastopol. In 2000, after a distinguished 30 year career, John Doble announced his retirement and Brad purchased John H. Doble & Associates. The merged company was renamed DobleThomas & Associates and incorporated in 2002. Bradley A. Thomas is the company’s President. Today, 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. The efficiency of these disciplines combined is advantageous for our clients as both savings in time and overall project costs.

Meet the Business Owner

Brad T.

Business Owner

A California Licensed Land Surveyor since 1984, Mr. Thomas has been involved with thousands of land development projects throughout the State of California. Mr. Thomas is conducting business in Sonoma, Mendocino, Lake, Marin and Napa Counties with offices in Healdsburg and Ukiah. Mr. Thomas is President of DobleThomas & Associates, Inc. a land surveying, civil engineering and aerial mapping firm. We also provide custom cartographic services to real estate professionals and to the wine industry. Mr. Thomas founded WineMap​.org, a geographical based website that displays spatially referenced winery information and vineyard data for entire viticultural areas and has assisted his son in the recent launching of Everyvine​.com