Local Knowledge for Your Project

When David H Ragland joined Engvall & Williams back in 1990, they had already been in Sonora for 24 years. Since then, the firm has surveyed, designed, and staked hundreds of projects in the area. We offer:

  • Topographic Surveys
  • Boundary Surveys
  • Road Design
  • Utility Design
  • Grading Design
  • Building Design
  • Legal Descriptions
  • Subdivisions
  • Parcel Maps
  • Lot Line Adjustments
  • Erosion Control, QSD/QSP services
  • Structural Design