Central Contra Costa Sanitary District
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Hours & Directions

Map of CCCSD Offices and Facilities

Central Contra Costa Sanitary District Offices and Treatment Plant

5019 Imhoff Place
Martinez, CA 94553
(925) 228-9500
View directions

Hours of Operation

Emergencies & Treatment Plant: 24 hours
Headquarters: Monday-Friday, 8:00am-5pm
Permit Counter: Monday-Friday, 8am-5pm

Household Hazardous Waste Collection Facility

4797 Imhoff Place
Martinez, CA 94553
(800) 646-1431
View directions 

Hours of Operation

Residents: Monday-Saturday, 9am-4pm
Reuse Room: Monday-Saturday, 9am-3:30pm
Small Businesses: Monday-Saturday, by appt only

Operations are closed on the following holidays:

  • 12/25/17  Christmas
  • 12/26/17  Christmas Eve Observed
  • 01/01/18  New Year's Day Holiday
  • 01/02/18  New Year's Holiday
  • 01/15/18  Martin Luther King, Jr. Day
  • 02/12/18  Lincoln's Birthday
  • 02/19/18  Washington's Birthday Observed
  • 05/28/18  Memorial Day
  • 07/04/18  Independence Day
  • 09/03/18  Labor Day
  • 11/12/18  Veterans' Day Observed
  • 11/22/18  Thanksgiving
  • 11/23/18  District Holiday
  • 12/24/18  Christmas Eve Holiday
  • 12/25/18  Christmas Day
  • 12/31/18  New Year's Eve

HHW Facility is closed on the following holidays:

  • 12/25/17 - 01/02/18 Holidays
  • 01/15/18  Martin Luther King, Jr. Day
  • 02/12/18  Lincoln's Birthday
  • 02/19/18  Washington's Birthday Observed
  • 05/28/18  Memorial Day
  • 07/04/18  Independence Day
  • 09/03/18  Labor Day
  • 11/12/18  Veterans' Day Observed
  • 11/22/18  Thanksgiving
  • 11/23/18  District Holiday
  • 12/24/18 - 01/01/19 Holidays