Public Works and Engineering

Men Working on Street Drain

The Public Works Department is responsible for major capital projects as well as maintaining, inspecting, and reviewing construction and repairs associated with the Town of Los Altos Hills’ municipal infrastructure. The department is headed by the City Engineer and Public Works Director, who reports directly to the City Manager.

On a day-to-day basis the Public Works Department provides technical support to residents, contractors, consultants, and other Town departments, boards and agencies regarding the installation and development of roads, sewers, drains, and overseeing capital improvement projects, such as the enhancement of the Town’s pathway system, inspection of various public and private projects. Some of the typical responsibilities of the Public Works Department involve the design, permitting, review and inspection, monitoring and repairing of the Town’s sewers, drainage systems, roads and pathways. The Department also coordinates with consultants, bids and awards contracts in its efforts to successfully complete many projects efficiently and cost effectively.

The Engineering Department is available to answer questions on drainage, sewer and other land development issues, in addition to performing technical reviews for site plans and subdivision plans in support of other Town Departments. We pride ourselves in providing Los Altos Hills residents with the highest quality customer service, with integrity, and utmost professionalism.

Underground Service Alert (USA) Notice:

The Town of Los Altos Hills is NOT responsible for marking:

- Gravity Flow Facilities (i.e. storm, sanitary sewer, private, laterals, etc.)

The Town of Los Altos Hills will mark:

- Public Sanitary Sewer Force Mains

If you submitted a USA ticket and would like the Town's utility maps of your site, please contact the Public Works Department.

Sewer Problems:


  • Town Hall (650) 941-7222 (Business Hours 8am-12pm, 1pm-5pm); or
  • (408) 299-3233 if Town staff cannot be reached

Please note property owner is responsible for maintenance, repair, and replacement of lateral, from the building to the main connection including the "Y" at the the main, sewer relieve valve, and backflow preventor. . If you have any questions please contact Los Altos Hills Public Works at (650) 941-7222.

Click here to review a list of other important numbers

Homeowner Responsibilities for Sewer Lateral

Click on the image below to review sewer right of way responsibilities 


Private Roadway Agreements

Please contact the City Clerk if you would like these documents in Microsoft Word.

Engineering & Public Works Documents