District Information

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Bayshore
(Bay Area Region)
Customer Center
341 North Delaware Street
San Mateo, CA 94401
8:00 AM to 4:30 PM
(650) 558-7800
infoBAY@calwater.com
After-Hours Phone Number
(650) 558-7800
Automated Payment Number
(866) 734-0743
Payment Mailing Address
P.O. Box 51967
Los Angeles, CA 90051-6267
District Manager
Ross Moilan
The Bayshore office is scheduled to open at 8:00 AM today.
If you have a water-related emergency, please contact Cal Water using the Bayshore after-hours phone number.

Serving San Carlos, San Mateo, and South San Francisco

Cal Water's Bayshore District was formed in 1931 with the purchase of the South San Francisco Water Company, the San Carlos Water Company, and the San Mateo water system from Pacific Water Company. We proactively maintain and upgrade our facilities to ensure a reliable, high-quality supply.

San Carlos

Water for our San Carlos customers is purchased from the City and County of San Francisco (SFPUC). The San Carlos system utilizes 17 storage tanks and 24 booster pumps.

San Mateo

Water for our San Mateo customers is also purchased from the City and County of San Francisco (SFPUC). The San Mateo system has 18 storage tanks and 30 booster pumps.

South San Francisco

Water for our customers is purchased from the City and County of San Francisco (SFPUC), and additional water was provided by five groundwater wells. Our South San Francisco system includes 144 miles of pipeline, 12 storage tanks, one collecting tank, and 21 booster pumps.

Closest Western Union Pay Stations
Business Address City ZIP Code
Dollar A Day6198 Mission StreetDaly City94014
Money Mart #19567400 Mission StreetDaly City94014
Pera34 San Pedro RoadDaly City94014
Plaza Liquor And Deli301 East Market StreetDaly City94014
Pnb Rci (Dal)6730 Mission BoulevardDaly City94014
Advanced Communi & Entertain950 King PlazaDaly City94015
Safeway #3031601 Westlake CenterDaly City94015
US Bank #5646 (Bank customers only)329 Gellert BoulevardDaly City94015
Hole In One Liquors1265 San Carlos AvenueSan Carlos94070
US Bank #5640 (Bank customers only)780 Laurel StreetSan Carlos94070
J & J Check Cashing220 CypressSouth San Francisco94080
Fast Money947 El Camino RealSouth San Francisco94080
SSF Check Cashing309 Linden AvenueSouth San Francisco94080
J & J Check Cashing220 CypressSouth San Francisco94080
Sunshine Center Pharmacy1166 Mission RoadSouth San Francisco94080
Anchor Drug III161 Spruce AvenueSouth San Francisco0
CA Check Cashing #226610 South Norfolk StreetSan Mateo94401
Check Expert501 East 4th AvenueSan Mateo94401
US Bank #5642 (Bank customers only)136 2nd AvenueSan Mateo94401
Kmart #35951700 South DelawareSan Mateo94402
Rite Aid #5902666 Concar DriveSan Mateo94402
Safeway #0639100 Crystal SpringsSan Mateo94402
Safeway #09701655 El Camino RealSan Mateo94402
US Bank #7829 (Bank customers only)1655 South El Camino RealSan Mateo94402
Check Express2281 South El Camino RealSan Mateo94403
Check N Go #01343880 South El Camino RealSan Mateo94403
Pacific Fuel & Auto Service4095 Pacific BoulevardSan Mateo94403
Rite Aid #59031320 West Hillsdale BoulevardSan Mateo94403
The UPS Store #21527 West 41st AvenueSan Mateo94403
Drop Box (checks only)341 North Delaware StreetSan Mateo94401
Drop Box (checks only)E Street & Clark AvenueColma94014
Walgreens1414 EL Camino RealSan Carlos94070