Since 1994

Decades of Precision, Proven in Portland

TOM NELSON & ASSOCIATES, L.L.C. combines local Pacific Northwest land record expertise with field crews equipped for complex urban and rural terrain. We deliver legally authoritative boundary and topographic mapping.

Our Expertise

Field Crews, Advanced Equipment, CAD Precision

Our licensed field crews utilize robotic total stations and GPS rovers for accurate data collection across challenging Pacific Northwest landscapes. We handle complex urban infill and vast rural acreage with equal precision.

Back in the office, our drafting team translates field data into detailed, legally certified CAD drawings. Every project benefits from meticulous research into local land records and rigorous quality control.

Regional Reach

Serving Oregon and Washington

Our operations span key areas, ensuring comprehensive coverage for your projects across the Pacific Northwest.

Greater Portland Area

Willamette Valley

Southwest Washington

Supporting agricultural, commercial, and residential projects across Oregon's fertile Willamette Valley region.

From downtown developments to suburban expansions, we provide critical surveying services throughout Multnomah County and beyond.

Extending our licensed services across the Columbia River to Vancouver, Clark County, and surrounding areas.

Connect with Our Project Managers

Reach out directly to discuss your project requirements and receive expert guidance from our team.