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Contact Us

Residential Customer Service

Email: OakRSSer@wm.com
Phone: 510-537-5500

Hours of Operation

Mon - Fri

Closed:
  • New Year's Day
  • Independence Day
  • Christmas Day
  • Labor Day
  • Thanksgiving Day
  • Memorial Day

Commercial Customer Service

Email: OakRSSer@wm.com
Phone: 510-613-8700

Hours of Operation

Mon - Fri

Closed:
  • New Year's Day
  • Independence Day
  • Christmas Day
  • Labor Day
  • Thanksgiving Day
  • Memorial Day