Phelps & Associates Land Survyeors is a professional land surveying firm specializing in:

  • Boundary Retracement
  • Topographic Mapping
  • Subdivisions
  • Construction Staking
  • ALTA Surveys
  • GPS

For over 30 years, Phelps and Associates Land Surveyors has served Sonoma, Marin, Napa and Mendocino counties.  We are licensed by the Board of Professional Engineers and Land Surveyors, and the firm is fully insured.  Our office and field procedures are fully computerized and our field equipment consists of the latest in electronic theodolites with built-in distance measuring capability, along with the best-you-can-get, real time kinematic Global Positioning System receivers. 

We have excellent esprit de corps, the staff are truly competent, and we zoom...