Encroachment Permit

An Encroachment Permit (PDF) is required for any construction work performed in the Public Right-of-Way (ROW), city easement, city-owned property, parks, streets, or alleys. Examples of work requiring an encroachment permit include:
  • Trenching across Public ROW for installation of water, sewer, storm drain, cable, or other underground utilities
  • Construction of curb, gutter, sidewalk, driveway approaches, and roadway pavement
  • Installation of swimming pools
Application Information
Please be sure to include the following information on your application:
  • Job addresses (location of where work will be performed)
  • Description of the work to be performed
  • Property owner's information
  • The contractor's information (name, address, important numbers)
  • The contractor's, state contractor's, and City of Patterson Business License Numbers
Return appropriate insurance information, including the additional insured endorsement, as noted on the permit. If the proposed work will cause interference with the flow of vehicular or pedestrian traffic, you may be required to submit a traffic control plan before permit approval.

To view a copy of our standard specifications, please click here.

Inspection Fee
The inspection fee is due at the time of permit issuance. This fee will cover the initial and final inspections only. If additional inspections are required, the city will bill the applicant accordingly at an additional $78.70 per inspection. Encroachment Permit inspection fees are listed below:
Type of Service
Current Fee
Water Connection 
Sewer Connection  
Well Monitoring
Driveway Approach
Swimming Pool Installation
Street Painting
Tree Work
Curb, Gutter, or Sidewalk Replacement
Excavations, Street Cuts, Trenching (Utility Companies)
Other / Miscellaneous
Additional Inspections (1 Hour Minimum)