Public Works
pw.lacounty.gov
Environmental Programs public counter located on the 3rd floor of the Annex building in Alhambra is open to the public. In order to maintain facility capacity we have implemented an online appointment system. Masks are highly recommended at all times for all visitors and staff. Click here to schedule an in person appointment or call (626) 458-3517 for questions or assistance.

For Stormwater questions or submissions, email us at sw@pw.lacounty.gov. You can also mail submissions to:

Los Angeles County Public Works
Environmental Programs Division
900 S. Fremont Ave
Alhambra, CA 91803


If you have any questions, contact the Environmental Programs Public Counter at (626) 458-3517, Monday to Thursday, 8 am to 4 pm.

Contact Us

Headquarters

Los Angeles County Public Works
Environmental Programs Division
900 S. Fremont Avenue
Annex Building, 3rd Floor
Alhambra, CA 91803-1331

Click here for map to DPW

Public Counter: (626) 458-3517
Fax: (626) 458-3569
TDD: (626) 282-7829

Public Counter hours are 7 a.m. to 5 p.m., Monday through Thursday

Field Facilities

Inspectors are available from 8 a.m. to 9:30 a.m., Monday through Friday, unless otherwise noted


Antelope Valley
335-A East Avenue K-6
Lancaster, CA 93535-4645
(661) 723-4337
1st Wednesday of every month, 8 a.m. to 12 p.m.
All other times refer inquiries to Santa Clarita Area Office
Lomita Area
24320 S. Narbonne Avenue
Lomita, CA 90717-1194
(310) 534-4862

City of Commerce
2535 Commerce Way
Commerce, CA 90040-1487
(323) 887-4456
Santa Clarita Area
23757 W. Valencia Boulevard
Santa Clarita, CA 91355-2192
(661) 222-2953

San Gabriel Valley
125 S. Baldwin Avenue
Arcadia, CA 91007-2652
(626) 574-0962
Whittier Area
13523 E. Telegraph Road
Whittier, CA 90605-3437
(562) 906-8426

East Los Angeles Area
4801 E. 3rd Street
Los Angeles, CA 90022-1601
(323) 881-7031


Managed by the Los Angeles County Public Works, Environmental Programs Division
Toll Free Phone Number: 1(888) CLEAN LA
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