Customer Resources

Our Services

Water billing provides support to more than 21,000 customer each month for all water services within Town limits. Castle Rock Water services include: water, wastewater, stormwater and water resources.

Our customers include residential and commercial, schools, churches, bulk water used during construction, multifamily, and greenbelts.

H2O Access: Connect to your water, your way

Setting up new service


Contact us at 303-660-1373 to set up new service in the Town.


Contact us


On occasion, your call may be answered by voice mail because we are assisting other customers. If this occurs, leave a message, including your account number, name and telephone number. We make every attempt to return your message within 24 hours. You can also email us.