Utility Companies in Contra Costa County, California

Find Contra Costa County, California utilities. Utilities provide information on public services including electricity (power and light companies), oil and gas (home heating and cooking), waste and sewage companies.

There are 12 Utility Companies in Contra Costa County, California, serving a population of 1,123,678 people in an area of 723 square miles. There is 1 Utilities per 93,639 people, and 1 Utilities per 60 square miles.

In California, Contra Costa County is ranked 55th of 58 counties in Utility Companies per capita, and 9th in Utility Companies per square mile.


City of Martinez Water Department 525 Henrietta Street Martinez, CA

Contra Costa Water District 1331 Concord Avenue Concord, CA

Diablo Vista Irrigation Water 100 Gregory Lane Pleasant Hill, CA

Diablo Vista Water System 1958 Oak Park Boulevard Pleasant Hill, CA

Diablo Water District 3990 Main Street Oakley, CA

Los Medanos Energy Center 750 East 3rd Street Pittsburg, CA

Nella Oil Company 3629 East 18th Street Antioch, CA

Pacific Gas & Electric Company 3400 Crow Canyon Road San Ramon, CA

Pacific Gas and Electric-San Ramon 6121 Bollinger Canyon Road San Ramon, CA

Pittsburg City Water Billing 65 Civic Avenue Pittsburg, CA

Rodeo Sanitary District 800 San Pablo Avenue Rodeo, CA

West County Wastewater District 2377 Garden Tract Road Richmond, CA

About Contra Costa County Utilities

Contra Costa County Utilities are business enterprises that provide essential public services including electricity, natural gas, water, and sewer services in Contra Costa County, CA. Because of the infrastructure required to deliver services, a monopoly is often the most economical way for an utility service to operate. Contra Costa County Public Utility Companies serve all of the customers for a particular service in Contra Costa County.

You may contact Utilities for questions about:
  • Contra Costa County Utilities billing and payments
  • Sewer rates and water bills
  • Setting up Utilities
  • Power outages
  • Natural gas hookups
Public & Private Utility Companies

Utilities in Contra Costa County, California may be publicly owned enterprises or private companies. In both cases, the primary source of revenue supporting the Utility is user fees paid by customers. In the case of publicly owned Utilities, the assets of the Utility are owned by the Contra Costa County Government Utilities Department, but it operates as a self-sustaining public enterprise supported by its own revenues rather than relying on taxes to fund operations.

Public Utilities Commissions in Contra Costa County, California

In California, Utilities are regulated by the Contra Costa County Public Services Commissions or Public Utilities Commission. Public Services Commissions are necessary when monopolies exist or in cases where competition is very limited, to ensure that Contra Costa County consumers receive safe, reliable, and reasonably priced services from competent and financially viable companies. Contra Costa County Utilities must receive approval for the rates they charge and they are also required to demonstrate to the Contra Costa County Public Services Commission that they have plans to maintain an infrastructure capable of supporting current and future demand for services.

Electric Utilities

Contra Costa County Electric Utilities are the most likely to function as a hybrid of monopoly and competitive services. Only one system for transmitting and delivering electricity to customers is feasible in a given service area such as Contra Costa County, CA. Therefore, transmission and distribution of electricity operates as a monopoly and customers do not have a choice when selecting their Contra Costa County electric power company. However, the electricity in the Contra Costa County electric grid may come from numerous suppliers.

Water Utilities

Water Utility Services in Contra Costa County provide potable tap water directly to residential, commercial, industrial, and institutional customers through a distribution system.

Sewer Utilities

Contra Costa County Sewer Service Companies receive wastewater from customers via sanitary sewers at a wastewater treatment plant. The Sewer Utility treats the wastewater to reduce pollutants before it is released into Contra Costa County waterways.

Natural Gas Utilities

Contra Costa County Natural Gas Companies are essentially local distribution companies that deliver natural gas, received from large capacity interstate or intrastate pipelines, to individual customers through small diameter distribution pipelines.