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Engineering / Public Works



The Public Woks Department provides planning and management of the design, construction, operation, and maintenance of Irwindale's infrastructure and mining industry by ensuring a safe and clean environment for our residents, businesses and customers in the most cost-effective manner. It is our purpose to enhance the quality of life for City residents and businesses by operating and maintaining the City's streets, trees, parks, landscape, and public facilities in the most effective, efficient, and responsible manner.

The Public Works Department consists of six divisions:
         Building and Safety
         Business License
         Environmental Programs

Public Works is located at 16102 Arrow Hwy., Irwindale, CA 91706.

Office Hours: Monday - Thursday 8 a.m. to 6 p.m.  Closed every Friday.


The Public Works Department has no requests for proposals or quotations at this time. Please check our webpage again for any future requests.


City Hall and Police Department Facility Building Improvements Project; P-949

Scope of Work:
         a)  Re-roof entire building
         b)  Remove and replace 14 Skylights
         c)  Remove and replace 12 HVAC rood units

Engineer's Cost Estimate is $450,0000
A California State Contractor's License B Building is required.

The bid opening is schedule for Tuesday, June 27, 2017 at 11:00 a.m.  Please submit bids to the City Clerks Office at 5050 N. Irwindale Avenue, Irwindale, CA 91706.

Please pick up bid packages at the Office of the City Engineer, 16102 Arrow Hwy, Irwindale, CA 91706 Monday through Thursday from 8 a.m. to 6 p.m., counter closed from 12:30 p.m. to 1:30 p.m.

For more information, please contact Edgar Rojas at (626) 430-2210.

Engineering/Public Works
16102 Arrow Highway
Irwindale, CA 91706

William Kwok Tam

Director of Public Works / City Engineer
Email William Tam

Ph: 626-430-2211
Fx: 626-430-2295

Elizabeth Rodriguez
Public Works Analyst
Email Elizabeth Rodriguez

Ph: 626-430-2211
Fx: 626-430-2295

Edgar Rojas
Engineering & Mining Manager
Email Edgar Rojas

Ph: 626-430-2210
Fx: 626-430-2295

Francisco Carrillo
Project Manager - Mining
Email Francisco Carrillo

Ph: 626-430-2259
Fx: 626-430-2295

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