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Snohomish County, Washington

Land Surveying in Snohomish County, WA

Boundary, topographic, and construction staking surveys that put the design on the ground accurately the first time. Snohomish County is covered on a project basis through our Seattle, WA regional hub.

Lead time
Scheduled by phone or proposal; lead time confirmed when the scope is set
Laboratory
Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
Reporting
Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
Serving
Snohomish County, WA — Seattle, Spokane, Tacoma
Coverage
Washington statewide · 27 regional hubs
Technicians
ACI- and NICET-certified field staff; licensed professionals in Washington
Call us
(346) 420-5425

Scope

Survey services in Snohomish County

  • Boundary and title surveys for acquisition and permitting
  • Topographic surveys for civil design
  • Construction staking: building corners, utilities, paving, and grades
  • As-built surveys for closeout and conveyance

Full scope, standards list, and pricing basis: Land Surveying.

Local conditions

Survey conditions in Snohomish County

Snohomish County's rapid growth along the US-2 corridor, around Everett, and across its river valleys brings a consistent challenge: translating civil and architectural designs onto terrain that rarely cooperates. Glacially sculpted topography, significant grade changes, and the wetland and shoreline setbacks enforced under Washington's Shoreline Management Act and Snohomish County's critical areas ordinance mean that positional errors early in a project compound into costly rework later. Our survey crews dispatch from the Seattle regional hub to provide boundary delineation, topographic surveys, and construction staking that place design intent on the ground with the precision your engineers and inspectors need to proceed with confidence. Coverage is scheduled and project-based, coordinated directly through our regional dispatch so crew availability and project milestones stay aligned from permit-ready surveys through final as-built verification.

Much of Snohomish County's developable land sits over glacially deposited soils — silts, sands, and outwash gravels — that can shift the relationship between surface features and underlying datum references, making accurate topographic control particularly important before grading or foundation work begins. Washington's wet winters compress the window for reliable ground-penetrating survey work on expansive or saturated sites, so early scheduling relative to your permit and grading timeline is advisable.

FAQ · Snohomish County

How do Snohomish County's critical areas regulations affect what my survey needs to show?

Snohomish County Code Title 30D requires identification of critical area buffers — including wetlands, steep slopes, and floodplain boundaries — on site plans submitted for permits. A topographic survey that captures existing grades, drainage patterns, and proximity to mapped critical areas gives your civil engineer and land use consultant the geometry they need to set compliant building envelopes and buffer setbacks before design is finalized.

Can survey crews work through Snohomish County's rainy season, and does weather affect accuracy?

Crews dispatch year-round. Extended rainfall does not degrade electronic total station or GNSS accuracy, but it can obscure surface features, increase vegetation density, and make access to low-lying or saturated parcels difficult. Scheduling topographic or staking work during drier late-spring through early-fall months reduces site access complications, particularly on parcels near the Snohomish, Skykomish, or Stillaguamish river corridors.

What horizontal and vertical datum standards apply to surveys submitted to Snohomish County or the City of Everett?

Most Snohomish County and City of Everett submittals reference NAD 83 horizontal and NAVD 88 vertical datums. Our crews establish control consistent with those standards and document benchmarks in the deliverable so your design team can carry control forward into grading plans, utility design, and building layout without re-establishing datum references at each phase.

Which office covers survey in Snohomish County, WA?

Field work in Snohomish County is dispatched through the Seattle, WA regional hub, about 27 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Snohomish County projects.

Are the technicians you send to Snohomish County certified?

Field sampling and testing in Snohomish County are performed by our ACI- and NICET-certified technicians. Survey engineering and professional services are delivered with professionals licensed in Washington, coordinated under one proposal.

Scheduling & proposals

Need land surveying in Snohomish County?

Call to schedule a technician, or send project documents for a written proposal.

Talk to us

Questions about a project? Send a note.

Nothing here is required — leave a phone number or an email and we'll get back to you. For a written scope, the proposal request form takes plans and specs.

Or call (346) 420-5425 · info@constructionmaterialtesting.com