Northern California Land Surveying Service Areas

Contour Survey provides professional land surveying services throughout Northern California. From the Bay Area to Sacramento, Wine Country to the Sierra Foothills, we serve residential and commercial clients across the region. Every boundary survey is filed with the county for permanent legal protection.

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Learn about the unique terrain, regulations, and surveying challenges in each region we serve.

San Francisco

San Francisco County

San Francisco presents some of Northern California's most demanding surveying conditions: steep hillside lots, tightly packed row houses, and a property record system shaped by the 1906 earthquake and fire. We bring deep local knowledge to every SF project, from Pacific Heights to the Bayview.

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East Bay

Alameda CountyContra Costa County

The East Bay spans two counties and an extraordinary range of terrain — from bay-front flatlands to the rugged East Bay Hills, across the Hayward Fault and into the suburban valleys of Contra Costa County. We survey properties throughout Oakland, Berkeley, Walnut Creek, Fremont, and dozens of communities in between.

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North Bay

Marin CountySonoma CountyNapa County

The North Bay encompasses Marin's coastal hills, Sonoma's wine country, and Napa's legendary vineyards — a landscape defined by rolling terrain, agricultural heritage, and strong land conservation policies. Our surveys serve vintners, ranchers, homeowners, and developers across three counties with distinct regulatory environments.

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Sacramento

Sacramento CountyPlacer CountyEl Dorado CountyYolo County

The Sacramento region sits at the confluence of the American and Sacramento Rivers, where California's agricultural heartland meets the Sierra Nevada foothills. From downtown Sacramento's historic grid to new master-planned communities in Elk Grove, Folsom, and Roseville, we provide precise surveying services adapted to the Capital Region's unique conditions.

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South Lake Tahoe

El Dorado CountyDouglas County (NV)

Surveying at Lake Tahoe combines alpine terrain, heavy regulatory oversight from the Tahoe Regional Planning Agency (TRPA), and a limited seasonal work window. At 6,225 feet elevation, the Tahoe Basin demands a surveyor who understands mountain conditions, TRPA coverage requirements, and the unique challenges of working in one of America's most protected landscapes.

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Cities We Serve

Click on a city to learn more about our services in that area.

Oakland

Alameda County

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Berkeley

Alameda County

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San Jose

Santa Clara County

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Palo Alto

Santa Clara County

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Walnut Creek

Contra Costa County

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Fremont

Alameda County

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Alameda

Alameda County

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Albany

Alameda County

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Emeryville

Alameda County

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Piedmont

Alameda County

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San Leandro

Alameda County

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Hayward

Alameda County

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Castro Valley

Alameda County

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Union City

Alameda County

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Newark

Alameda County

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Dublin

Alameda County

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Pleasanton

Alameda County

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Livermore

Alameda County

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El Cerrito

Contra Costa County

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Kensington

Contra Costa County

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Richmond

Contra Costa County

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Pinole

Contra Costa County

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Hercules

Contra Costa County

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Martinez

Contra Costa County

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Concord

Contra Costa County

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Pleasant Hill

Contra Costa County

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Lafayette

Contra Costa County

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Orinda

Contra Costa County

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Moraga

Contra Costa County

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Danville

Contra Costa County

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San Ramon

Contra Costa County

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Antioch

Contra Costa County

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Pittsburg

Contra Costa County

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Brentwood

Contra Costa County

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San Mateo

San Mateo County

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Santa Rosa

Sonoma County

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Napa

Napa County

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Roseville

Placer County

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Auburn

Placer County

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Placerville

El Dorado County

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Additional Service Areas

We serve communities throughout Northern California:

Bay Area

Daly CitySouth San FranciscoAlamedaSan LeandroHaywardUnion CityNewarkMilpitasSanta ClaraSunnyvaleMountain ViewMenlo ParkRedwood CityBurlingameFoster CityConcordPleasant HillLafayetteDanvilleEl CerritoRichmondMarin County

Wine Country & North Bay

NapaSonomaSanta RosaPetalumaHealdsburgSt. HelenaCalistogaNovatoSan Rafael

Sacramento & Central Valley

SacramentoStocktonModestoElk GroveRosevilleFolsomDavisWoodlandVacavilleFairfield

Sierra Foothills & Gold Country

AuburnPlacervilleGrass ValleyNevada CityCameron ParkEl Dorado HillsLincolnRocklin

Don't See Your City?

We serve all of Northern California. If you don't see your location listed, give us a call — we're happy to discuss your project.

Have a Serious Site, Building, or Boundary Problem?

Book a scope meeting with the licensed surveyor. Estimates are prepared for projects with enough context to price responsibly.

Meeting-first estimates • Response within 24 hours • Serious projects only