Surveying Services

Survey Monument Conservation

A letter from the County Surveyor about the importance of conserving property corners and survey monumentation during the clean-up and rebuild process.

Find out more about survey monuments and the importance of conserving them here.

Napa County Official Seal

The Surveying Services section of the Deparment of Public Works, under the direction of the County Surveyor, reviews and organizes land surveying documents that deal with land in the County of Napa, including:

  • Lot Line Adjustments  
  • Voluntary Parcel Merger
  • Certificates of Compliance
  • Record of Survey Maps
  • Parcel Maps and Final Maps

Our Goals

  • Ensure compliance with applicable State laws and County codes governing the practice of land surveying
  • Encourage local professionals to use good surveying practices
  • Provide boundary and land-based information to the public

Other tasks include the review of proposed annexations for local municipalities and special districts, for conformance to the standards by the State Board of Equalization.

Related Documents

Lot Line Adjustment Forms

  1. Guidelines for Bundled LLA / ROS Application Guidelines (PDF)
  2. Lot Line Adjustment / Record of Survey Application (PDF)
  3. Lot Line Adjustment Application (PDF)
  4. Lot Line Adjustment Approval Requirements Guidelines Manual (PDF)
  5. Voluntary Merger Application (PDF)

Certificate of Compliance Forms

  1. Certificate of Compliance Application (PDF)
  2. Expedited Certificate of Compliance Application (PDF)

Map Submittal Forms

  1. Corner Record Application (PDF)
  2. Parcel/Subdivision Map Application (PDF)
  3. Parcel/Subdivision Map Checklist (PDF)
  4. Record of Survey Application (PDF)

Information

Certificates of Compliance

Checked for compliance with the Subdivision Map Act, Section 66410 et sequentes of the California Government Code.

Certificates of Correction

Checked for compliance with the Subdivision Map Act, Section 66410 et sequentes of the California Government Code.

Corner Records

Checked for compliance with the Professional Land Surveyors’ Act, Section 8700 et sequentes of the California Business & Professions Code.

LAFCo Referrals

The Local Agency Formation Commission (LAFCo) refers maps and legal descriptions of proposed annexations to local cities, town or special districts, for review of surveying-related technical requirements of the State Board of Equalization.

Lot Line Adjustments

Checked for compliance with Chapter 17.46 of the Napa County Code.

Records of Survey

Checked for compliance with the Professional Land Surveyors’ Act, Section 8700 et sequentes of the California Business & Professions Code.

Subdivisions

Parcel Maps (4 lots or fewer) and Final Maps (more than 4 lots) are checked for compliance with the Subdivision Map Act, Section 66410 et sequentes of the California Government Code, Title 17 of the Napa County Code, and any conditions of approval established in public hearing by the Napa County Planning Commission.