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Pima County, Arizona
Land Surveying in Pima County, AZ
Boundary, topographic, and construction staking surveys that put the design on the ground accurately the first time. Pima County is covered on a project basis through our Phoenix, AZ regional hub.
- Dispatched from
- Phoenix, AZ regional hub · project-based mobilization
- Lead time
- Set in the proposal, with mobilization planned around your pour and earthwork schedule
- 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
- Pima County, AZ — Phoenix, Tucson, Mesa
- Coverage
- Arizona statewide · 27 regional hubs
- Technicians
- ACI- and NICET-certified field staff; licensed professionals in Arizona
- Call us
- (346) 420-5425
Scope
Survey services in Pima 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 Pima County
Pima County sits within one of the more demanding survey environments in the American Southwest. Caliche layers close to grade, expansive desert soils, wash corridors subject to FEMA floodplain mapping, and the Sonoran Desert's extreme summer heat all interact with how surveys are planned, executed, and documented. Getting boundaries, grades, and staking positions right before the first shovel moves is not a convenience — it is a cost-control measure. Errors found during grading or structural work in this climate carry real rescheduling risk when concrete placement windows narrow in July and August. Our field crews dispatch from the Phoenix regional hub to handle boundary surveys, topographic surveys, and construction staking throughout Pima County. Each assignment is coordinated in advance to match crew availability with your project schedule, and all deliverables are produced under a documented quality system to support downstream engineering and agency submittals.
Pima County terrain commonly includes caliche horizons, desert wash features, and slopes requiring careful datum control — conditions that affect both survey methodology and the accuracy of finished surface models used for grading and drainage design. Summer monsoon season can limit field access windows, so scheduling surveys ahead of the July–September period typically reduces weather-related delays.
FAQ · Pima County
How does caliche affect construction staking accuracy in Pima County?
Caliche layers can make traditional pin setting difficult and may cause stakes to shift if not set to sufficient depth. Our crews account for subsurface resistance when selecting stake type and embedment method. The survey control network is checked before and after staking to confirm positions remain within the tolerances specified in the project documents, typically fractions of a tenth of a foot for structural layout.
Does the survey crew coordinate with Pima County floodplain or floodway boundaries on my site?
Yes. Where a project site is adjacent to or intersects a FEMA-mapped Special Flood Hazard Area, our topographic and boundary deliverables can be formatted to support the elevation documentation your engineer or floodplain administrator requires. We do not make FEMA determinations ourselves, but accurate ground elevations tied to NAVD 88 are foundational to that process and are included in standard topographic survey scope.
What horizontal and vertical datum does the firm use for surveys in Pima County?
Field control is typically established using NAD 83 (horizontal) and NAVD 88 (vertical) unless the project, municipality, or engineer of record specifies otherwise. Pima County and the City of Tucson may have project-specific datum or coordinate system requirements; we confirm those requirements during project setup so deliverables are compatible with agency submittal standards from the start.
Which office covers survey in Pima County, AZ?
Field work in Pima County is dispatched through the Phoenix, AZ regional hub, about 106 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Pima County projects.
Are the technicians you send to Pima County certified?
Field sampling and testing in Pima County are performed by our ACI- and NICET-certified technicians. Survey engineering and professional services are delivered with professionals licensed in Arizona, coordinated under one proposal.
Scheduling & proposals
Need land surveying in Pima County?
Call to schedule a technician, or send project documents for a written proposal.