A minor subdivision is a division of land into four (4) or fewer parcels. Minor subdivisions are governed by the Subdivision Map Act (California Government Code, Section 55410, et. Seq.) and the Sonoma County Subdivision Ordinance (Sonoma County Code, Chapter 25). Minor subdivision application are also known as tentative parcel maps.
A major subdivision is a division of land into five (5) or more parcels. Major subdivisions are governed by the Subdivision Map Act (California Government Code, Section 66410, et. seq.), the Sonoma County Subdivision Ordinance (Sonoma County Code, Chapter 25), the Sonoma County Zoning Code (County Code, Chapter 26) and the Sonoma County General Plan.
Certificate of Modification
Modifications can be made to a recorded parcel map (Minor Subdivision) or a final map (Major Subdivision) through the Certificate of Modification procedure. Typical modifications to recorded maps include changes to agency notes upon the maps, relocation or removal of easements, and relocation or enlargement of building envelopes.
Submit Planning Applications Electronically
Customers must submit planning applications electronically. Because our online permitting portal is not yet configured for Planning e-submittals, the submittal process will take place by email.
Please follow the process to submit a planning application online:
Instructions and Forms
PJR-001 Planning Application (PDF)County of Sonoma Planning Application Form (PDF: 140 kB) (Revised 09/13/2018)