Your Construction Project

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

 

Construction Permits

Drainage Facility Permit

Permit to install, replace, or modify a drainage facility in the right-of-way of unincorporated San Mateo County.... View moreView Drainage Facility Permit

Driveway Permit

Permit to replace or construct a new driveway within the right-of-way of unincorporated San Mateo County.... View moreView Driveway Permit

Fence Permit

Permit to to build or replace a fence within the right-of-way of unincorporated San Mateo County.... View moreView Fence Permit

Filming Permit

Permit to film within the right-of-way of unincorporated San Mateo County.... View moreView Filming Permit

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.... View moreView Monitoring Well Encroachment Permit

Sidewalk Permit

Permit to replace or modify a sidewalk within the right-of-way of unincorporated San Mateo County.... View moreView Sidewalk Permit

Transportation Permit

Permit for transportation involving the operation of oversize and/or overweight vehicles within the right-of-way of unincorporated San Mateo County.... View moreView Transportation Permit

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.... View moreView Tree and Landscaping Permit

Utility Trench Permit

Permit to dig a utility trench within the right-of-way of unincorporated San Mateo County.... View moreView Utility Trench Permit

View All Permits

Standard Drawings

Driveway Standard Drawings

... View moreView Driveway Standard Drawings

Private Road within a Minor Land Division Standard Drawing

... View moreView Private Road within a Minor Land Division Standard Drawing

Sanitary Sewer Standard Details and Specifications

... View moreView Sanitary Sewer Standard Details and Specifications

Sidewalk Standard Drawings

... View moreView Sidewalk Standard Drawings

Sidewalk ADA details

... View moreView Sidewalk ADA details

Utility Trench Standard Drawings

... View moreView Utility Trench Standard Drawings

Standard Details Book

... View moreView Standard Details Book

Fines & Penalties

Fines and Penalties for Work without a permit - $350/day.

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