Land Surveyors & GIS | Sonoma, Napa, & Marin | Ray Carlson & Assoc.

Mapping for a Better World in Napa, Sonoma & Marin since 1976

Your Survey Mapping Information Center “411” Has Moved

Our new home is:

5331 Skylane Blvd, Santa Rosa, CA 95403

2 People Surveying

Land Surveys

Our Professional Land Surveyors work with the latest technology, both in the office and field. We provide our clients with years of experience and a genuine desire to provide exceptional service.

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Electronic Input Device


Our Maps will provide you with a wide variety of readouts and data to use in your projects. We provide surveys for any purpose and to the standards of California law.

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Mock-up of Drone Surveying

Vineyard Services

Geographic Information System (GIS) uses innovative technologies to allow you to make management decisions based on accurate as built information. GIS can help develop a vineyard for maximum yield prior to construction.

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