Core functions of the Survey Unit include:
- Provide the public with timely and accurate plat review and approval
- Accurately map and maintain all parcels of land in digital form
- Administer a cost-effective and timely Parcel Search Program
- Foster environmentally sound economic growth and development
- Accurately maintain the United States Public Land Survey Corners and establish Washington County Coordinates on them
- Provide quality survey and land information products and service
- Provide professional and technical support to County departments and other agencies
- Accurately assign and administer the street naming and numbering system for 16 communities