Public Works

Phone:

(909) 839-7040

Staff
Name	Title	Email	Phone
Liu, David	Public Works Director / City Engineer		909-839-7040

Assessment Districts

Mailing Address:

Diamond Bar, CA

Phone:

(909) 839-7040

Staff
Name	Title	Email	Phone
Works, Public			(909) 839-7040

Public Works Engineering

Directions

Physical Address:

21810 Copley Drive
Diamond Bar, Ca 91765

Phone:

(909) 839-7040

Public Works Maintenance

Physical Address:

Diamond Bar, CA 91765

Mailing Address:

Diamond Bar, CA 91765

Phone:

(909) 839-7060

Graffiti Removal 24/7 Hotline

Phone:

(800) 794-7384

Parks Maintenance / Parkway Trees

Phone:

909-839-7060

Street Sweeping Citations

Mailing Address:

P.O. Box 10479
Citation Processing Center
Newport Beach, CA 92658-2058

Phone:

(800) 989-2058

Link: Street Sweeping Page

Valley Vista Services

Physical Address:

Diamond Bar, CA 91765

Mailing Address:

Diamond Bar, CA 91765

Phone:

800-442-6454

Waste Management

Physical Address:

Diamond Bar, CA 91765

Mailing Address:

Diamond Bar, CA 91765

Phone:

800-266-7551

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