What is a Topographic Survey and when is it needed?

Topographic Surveys are used to identify and map the contours of the ground and existing features on the surface of the earth or slightly above or below the earth's surface (i.e. trees, buildings, streets, walkways, manholes, utility poles, retaining walls, etc.).  If the purpose of the survey is to serve as a base map for the design of a residence or building of some type, or design a road or driveway, it may be necessary to show perimeter boundary lines and the lines of easements on or crossing the property being surveyed, in order for a designer to accurately show zoning and other agency required setbacks.


Topographic Surveys require "bench marks" to which ground contours are related, information regarding surface and underground utilities, determination of required setbacks, etc.

From Weblog

February 27, 2015

Adobe Associates, Inc. land surveying crew members, Jeff Jaggars and Rich Turner, perform night staking at the intersection of Highway 12 and Madrone Road in Sonoma.  This was the first time Jeff or Rich have set stakes at night.  Both have been out surveying when it has gotten dark, but neither had ever gone back out to survey at night. They report that it was "quite a fun... Full post »

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