Office

745 Rose Lane

Twin Peaks, CA 92391

Office Hours 

Monday - Friday 9:00 am to 2:00 pm

Closed Saturday and Sunday

Mailing Address

P.O. Box 122

Twin Peaks, CA 92391

Phone Numbers

Office: (909) 337-2845

Phone Hours 

 Monday - Friday 9:00 am to 4:00 pm

Closed Saturday and Sunday

2025 Holiday Office Closures

New Year's Day – Wednesday, January 1

Memorial Day – Monday, May 26

Independence Day – Friday, July 4

Labor Day – Monday, September 1

Thanksgiving Day – Thursday, November 27

Day After Thanksgiving – Friday, November 28

Christmas Day – Thursday, December 25

(New Year's Day – Thursday, January 1, 2026)

In case of a water emergency, please call 909-337-2845