
Across an alpine lake
Forty remote acres in the high Sierra, reached by boat. We recovered the original section corners, solved the boundary, flew a drone topo with a 1-inch orthophoto, set corners and filed a record of survey.
Residential, commercial and large-acreage boundary surveys are the core of our business. Our historical records help us work quickly.
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Our records hold more than 14,800 surveys, so we research a parcel quickly.
You may hire a land surveyor only once in your life. So we take time to learn what you need. Then we help you choose the right approach and product.
We also deliver ALTA/NSPS surveys on 1,000 to 5,000+ acres.
A corner record is required when you re-set corners that a record map shows.
A record of survey is required when you set corners that no previous record map shows.
A survey often starts with a land use question. Can I divide my parcel? Can I give 10 acres to my son? Zoning is often not the whole story. We meet with you and help you get the most out of your property.
We also help you process your application with the correct agencies. Land planning services include:
We work as expert witnesses on complicated boundary cases. The history, the evidence and the math all have to hold up.
For the history, we use original government field notes, old deeds and decades of local survey records.
For the evidence, we dig for stones, pipes and bearing trees that crews set more than a century ago.
For the math, we use least-squares adjustments, proportioning and closures that we can defend.

Forty remote acres in the high Sierra, reached by boat. We recovered the original section corners, solved the boundary, flew a drone topo with a 1-inch orthophoto, set corners and filed a record of survey.

Boundary, topography and records of survey for utility communication sites on peaks from Catalina Island to the Eastern Sierra, for a long-time engineering client.

ALTA surveys and records of survey on ranches and farms of 1,000 to 5,000+ acres for institutional agricultural investors, across California.