Any construction, either residential or by a business, that occurs in the County right-of-way requires a permit from the San Mateo County Department of Public Works. Learn more about the County Right-of-Way
Your project may also require permits from other County departments, such as Planning & Building.
Project Requirements
- Access Requirements for Building Sites Checklist
- Sanitary Sewer & Streetlight Requirements Checklist
- Sewer Inspection Guidelines
- Stormwater Design Review
- Traffic Impact Analysis Requirements
- Waste Management Plan for Demolition & Construction
Construction Permits
- Drainage Facility Permit
- Permit to install, replace, or modify a drainage facility in the right-of-way of unincorporated San Mateo County...
- Driveway Permit
- Permit to replace or construct a new driveway within the right-of-way of unincorporated San Mateo County...
- Fence Permit
- Permit to to build or replace a fence within the right-of-way of unincorporated San Mateo County...
- Filming Permit
- Permit to film within the right-of-way of unincorporated San Mateo County...
- Monitoring Well Encroachment Permit
- Permit to construct or deconstruct a monitoring well, or to perform other borings in the County of San Mateo right-of-way...
- Sidewalk Permit
- Permit to replace or modify a sidewalk within the right-of-way of unincorporated San Mateo County...
- Transportation Permit
- Permit for transportation involving the operation of oversize and/or overweight vehicles within the right-of-way of unincorporated San Mateo County...
- Tree and Landscaping Permit
- Beginning October 15, 2021 the Department of Public Works will allow the planting of trees and other softscape within a portion of the county right of way. Property owner must agree to maintain these softscape improvements at no cost to the county through a recorded agreement. Note that hardscape improvements (such as pavers, boulders, or structures) are still not allowed within the right of way...
- Utility Trench Permit
- Permit to dig a utility trench within the right-of-way of unincorporated San Mateo County...
Standard Drawings
Private Road within a Minor Land Division Standard Drawing
Sanitary Sewer Standard Details and Specifications
Utility Trench Standard Drawings