Plumbers taking calls nowGas, electric and tankless water heater repair(858) 465-8561
Water heater service(858) 465-8561
Serving Littleton's 16 ZIP codes

Water Heater Repair in Littleton, CO

A Littleton address can mean the old city near Main Street or a suburb miles away. Inside the city, nearly half of homes predate 1980. Wherever you are, if your water heater has quit or is leaking, call and get a plumber out.

Call for service(858) 465-8561What's different in Littleton
Cold in Hot out 1 T&P relief valvedrips from high pressure 2 Anode rodused up, tank rusts 3 Dip tubecracks, hot runs out 4 Sedimenthard water, popping 5 Gas valveno heat, no pilot 6 Pilot & thermocouplepilot keeps going out
  • One callStraight to water heater help
  • Repair or replaceHonest advice on which makes sense
  • All major brandsRheem, A.O. Smith, Bradford White, Rinnai, Navien
  • Local to youPlumbers who work in your town
Littleton at a glance

What shapes water heater trouble in Littleton

1982

median year City of Littleton homes were built

Source: US Census Bureau
46%

of City of Littleton homes were built before 1980

Source: US Census Bureau
29%

of city homes heat with electricity

Source: US Census Bureau
19°F

average January low (Centennial Airport)

Source: NOAA NCEI
City vs. suburbs

Which Littleton are you in?

The 16 Littleton ZIP codes stretch well past city limits. Inside the City of Littleton, the median home was built in 1982 and about 46% were built before 1980. Many addresses outside the city are in newer suburbs with different builders, different heaters and sometimes different water suppliers.

When you call, tell us your ZIP and roughly when the house was built. It helps the plumber show up with the right parts.

Water

Denver Water inside the city

The City of Littleton says all city residents are served by Denver Water. Denver Water reported average hardness of 105 mg/L in 2025, with a range of 55 to 124. If your home is outside city limits, check your water bill for your supplier.

Gas and electric

Mostly gas, plenty of electric

About 69% of City of Littleton homes heat with gas and 29% with electricity. Xcel Energy lists Littleton for gas service. Gas units tend to fail at the ignition or gas valve, electric ones at an element or thermostat.

Before the plumber arrives

Safe steps for Littleton homes

  1. Leaking? Close the cold water valve on top of the tank.
  2. Turn off the gas valve or the breaker for the heater.
  3. Gas smell? Xcel Energy serves Littleton. Leave the house, call 911 from outside, then Xcel Energy at 800-895-2999.
Service area

Where we take calls

Littleton, Arapahoe, Jefferson and Douglas counties, ZIP codes 80120, 80121, 80122, 80123, 80125, 80126, 80127, 80128, 80129, 80130, 80160, 80161, 80162, 80163, 80165, 80166. Not sure your address is covered? Call and we'll check.

Nearby towns

Services in Littleton

Repair, replacement and emergencies

Plumber using a pipe wrench on the gas line of a tank water heater

Water Heater Repair

Gas, electric and tankless repairs, from pilot lights to heating elements.

Learn moreHot water running with steam from a copper kitchen faucet after a water heater repair

No Hot Water

Cold shower this morning? Get the cause found and fixed fast.

Learn moreTank water heater leaking water from its base onto a basement floor

Leaking Water Heater

Water around the tank or a dripping relief valve. Act before it floods.

Learn morePlumber's tool bag, pipe wrenches and copper fittings beside a water heater

Emergency Water Heater Repair

Burst tank, gas smell or water everywhere. Call right away.

Learn morePlumber wheeling a new tank water heater through a home hallway on a hand truck

Water Heater Replacement

When repair no longer makes sense, get a new tank or tankless unit.

Learn moreWall-mounted tankless water heater with copper and brass water and gas lines

Tankless Water Heater Repair

Error codes, lukewarm water and scale buildup on tankless units.

Learn more
Questions

Littleton water heater questions

Who is the gas company in Littleton, CO?

Xcel Energy lists Littleton for natural gas service. If you smell gas, leave first, call 911 from outside, then Xcel at 800-895-2999.

Is all of Littleton on Denver Water?

The City of Littleton says all city residents are. Addresses outside city limits that use a Littleton ZIP may have a different supplier, shown on your water bill.

Do you cover Littleton addresses outside the city?

Yes. We cover all 16 Littleton ZIP codes listed below. Call and we'll confirm your address.

How hard is Littleton's water?

Denver Water, which serves the city, averaged 105 mg/L in 2025, with a range of 55 to 124.

Sources

Where these local facts come from

Figures are the latest published by each source. Pricing and availability are set by the plumber.

No hot water in Littleton?

Call now for water heater repair or replacement.

Call for service(858) 465-8561
Call (858) 465-8561