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Encroachment Permits

Instructions and Forms related to Encroachment permits needed to conduct activities in the “public right of way,” which is public property in unincorporated Sonoma County such as roadways, driveways, sidewalks, curbs, and gutters.

Encroachment Permit Electronic Application Instructions

More information about Encroachment Permits

Do Not Print Out Construction Plans or Other Documents

Construction plans and documents are to be submitted electronically. Paper documents are not accepted when applying for a permit.

The instructions and forms listed below are undergoing review. Some may still contain outdated instructions to print out copies of construction plans and documents. Please ignore that instruction and submit electronically. Only print items if directly instructed by Permit Sonoma for your situation.

Instructions and Forms

ENC-001 Application for Encroachment Permit (PDF)
Use this form to allow work to be performed, or activity to take place, within a County Right-of-Way. (PDF: 200 kB) (Version: 06/29/2022)

ENC-002 Insurance Requirements for Encroachment Permits

Identify the insurance requirements to obtain an encroachment permit. (Revised: 11/11/2018)
ENC-003 Transportation Permit Application (PDF)

Use form ENC-003 to request a Transportation Application (PDF: 64 kB) (Revised: 05/21/2010)
ENC-004 Application for Special Events Encroachment Permit (PDF)

Application to request a permit to allow a special event to be conducted within a County right-of-way. (PDF: 277 kB) (Version: 01/05/2022)
ENC-005 Insurance Requirements for Special Events Permits

Identify the insurance requirements to obtain a special event permit. (Revised: 11/11/2018)
ENC-006 Required Driveway Entrance Upgrades

Identify the building activities that require an existing driveway entrance(s) to be upgraded to meet current County standards prior to obtaining a building permit. (Version: 07/09/2020)
ENC-008 Special Events Standard Conditions and Special Provisions (PDF)

Permittee shall obtain the venue and maintain all signage as well as provide race route advisors, according to the attached sketch, during the entire period of the event. (PDF:50 kB) (Version: 05/14/2014)
ENC-010 Special Event - Filming Standard Conditions

Filming in Sonoma County Jurisdiction by a Prescriptive Right-of-Way. Many of the county roads on which you will be filming are under Sonoma County jurisdiction by a prescriptive right-of-way and not by a deeded right-of-way. (Revised: 02/17/2012)
ENC-011 Hold Harmless Fence Agreement (PDF)

With this form, the County of Sonoma has granted “Permittee” permission to place a Fence or Sign. (PDF: 159 kB) (Version: 02/28/2020)