Information is constantly changing! Call ahead to verify hours and availability.
Castro Valley Sanitary District Office - Castro Valley - 21040 Marshall St
Castro Valley Sanitary District Office
21040 Marshall St, Castro Valley, California 94546
(510) 537-0757
Hours:
M-F 7-11am, 12-4pm
Item | Notes | Method | Destination |
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Mercury Thermostats | Thermostat Care Drop-off Location. Free drop-off, complete form, rebate mailed at future date. |
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