Every City of Littleton resident is served by Denver Water, which says the customer owns the water service line from the main in the street into the property. That makes a leak anywhere on that line a private repair, and Littleton requires a city permit for it. Call the number on this page to be connected with a local plumber in Littleton.
Who owns the water line at a Littleton home?
The City of Littleton doesn't run a water utility; it says all city residents are served by Denver Water. Denver Water treats the service line as the property owner's, from the main in the street into the house, along with the meter and household plumbing. That's a longer stretch than in suburbs where the city owns the pipe up to a meter pit, so a leak under the parkway strip or sidewalk can still be yours. For emergencies, Denver Water's after-hours line is 303-628-6801, and customer care is 303-893-2444 during business hours. A quick call there helps if the leak looks like it may be on the main itself.
One caution: Littleton ZIP codes also cover unincorporated communities such as Columbine, Ken Caryl and Highlands Ranch, which are served by other districts with different rules. A Littleton mailing address doesn't guarantee Denver Water.
Does Denver Water help with old lead lines?
Denver Water's Lead Reduction Program replaces lead service lines with copper at no direct cost to the customer and automatically enrolls properties that may have one. Littleton grew rapidly in the 1950s and 1960s, and homes from that era near Main Street and the South Platte are the ones where an older line is most likely. If your house may have a lead line, check with Denver Water before paying for a replacement yourself.
What permit does the job need?
Littleton requires a permit to install, alter, repair or replace any plumbing system within city jurisdiction. The Permit Center is at 303-795-3751. Homeowners doing their own single-discipline work sign a Homeowner Affidavit, though most service line jobs are done by a plumber who pulls the permit. If the address has a Littleton mailing address but sits outside city limits, the permit comes from Arapahoe, Jefferson or Douglas County instead; the city's District Map Tool checks jurisdiction.
A quick local note
Sewer here is a separate City of Littleton service, with treatment at South Platte Renew, so a wet yard near the street could be water or sewer. Clear water that keeps running and a moving water meter point to the supply line; a plumber can confirm which pipe it is before any digging begins.
Water Line Repair questions in Littleton
Where does my responsibility for the water service line begin?
Is there a program that replaces old lead service lines?
Do I need a permit to repair or replace my water service line?
When is replacing the whole line better than a spot repair?
More plumbing services in Littleton
Water Line Repair nearby
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