
Boulder, CO · plumbing service
Water Heater Replacement in Boulder, CO
Tanks in older homes and rentals reach end of life. Call to be connected with an independent, licensed plumber who handles water heater replacement in Boulder; they diagnose the problem and quote the work before starting.
By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.- Licensed local plumbers
- Free call and referral
- You approve the quote first
Common signs
- Water around the tank base
- rusty hot water
- a tank past 10 years
Water Heater Replacement services in Boulder
- Water Heater ReplacementReplacing a failing or leaking tank heater.

- Water Heater RepairNo hot water, leaking tank, strange noises or uneven temperature.

- Tankless Water HeatersTankless installation, descaling and repair.

- Water Heater MaintenanceFlushing, anode checks and safety-valve testing.

- Gas Line Installation and RepairGas piping for appliances and gas leak repairs.

Problems water heater replacement fixes
- A leaking tank
- A tank past roughly 10 to 12 years with frequent repairs
- Rusty hot water or sediment noise
- Not enough hot water for the household
Why water heater replacement comes up in Boulder
Tanks in older homes and rentals reach end of life.
42% of Boulder's occupied homes are owner-occupied. If you rent, the water heater is normally the landlord's to repair or replace, so report a leak to them in writing as well as calling for help.
- Typical home built
- 1977
- Homes before 1980
- 55%
- Winter freezes
- Regular hard freezes
How the work is done
- 1Size the replacementMatch capacity and fuel to the household, or compare tankless.
- 2PermitMany cities require a permit and inspection for water heater replacement.
- 3Remove and installDrain and remove the old tank; install with code-required venting, relief valve piping and, where required, an expansion tank.
- 4Test and explainCheck for leaks and correct temperature, and show where the shutoffs are.
What affects the price
The plumbing company sets the price after seeing the job; ask for it in writing before work starts.
- Tank or tankless, gas or electric
- Capacity
- Code updates such as an expansion tank, venting or a drain pan
- Location and access
- Permit and haul-away
Plumbing work we connect Boulder homeowners with
Water Heater Replacement in Boulder: questions
Does Boulder's homeownership program credit a water heater replacement?
Yes, for program homes. Boulder credits 80% of costs to replace a water heater over 10 years old with one meeting EnergySmart standards or an Energy Factor of 0.67 or higher; emergency replacements need a receipt and final inspection within 30 days.
Do Boulder's energy rules affect gas water heater replacements?
They can. Boulder's 2024 energy code requires new residential projects and additions to be all-electric, and some larger alterations require electric-ready space. A simple like-for-like swap may differ, so confirm with Boulder's permit office before choosing equipment.
Why is water heater replacement a common call in Boulder?
Tanks in older homes and rentals reach end of life.
How old are most homes in Boulder?
The median home in Boulder was built in 1977, and 55% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
When is a leaking water heater an emergency in Boulder?
A leak from the tank itself won't stop and usually means replacement; turn off the gas or power and the cold-water valve, then call. In Boulder: tanks in older homes and rentals reach end of life.
Who supplies water in Boulder?
City of Boulder. Past the meter, plumbing is the owner's.
Water Heater Replacement near Boulder
More plumbing services in Boulder
- Sewer Line Repair in Boulder, COSewer Line Repair in Boulder, CO: old clay laterals crack in expansive soils.
- Frozen Pipe Repair in Boulder, COFrozen Pipe Repair in Boulder, CO: front Range cold snaps freeze pipes in older homes.
- Emergency Plumbing in Boulder, COPlumbing emergency in Boulder, CO? Who to call (City of Boulder or a plumber), what to shut off first, and the emergencies most likely in Boulder homes.
- All plumbing services in BoulderEvery plumbing service available to Boulder homes.
Local rules and details for Boulder
Boulder facts behind this page
- The median home in Boulder was built in 1977. [1]
- About 55% of Boulder's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- Boulder's water comes from Barker Reservoir on Middle Boulder Creek, Silver Lake and Lakewood Reservoir on North Boulder Creek, and Colorado-Big Thompson and Windy Gap water delivered via Carter Lake and Boulder Reservoir. [2]
- Under the City of Boulder's Capital Improvement Policy for its homeownership program, replacing a water heater more than 10 years old can qualify for a capital improvement credit of 80% of the owner's actual costs if the new unit meets EnergySmart rebate standards or has an Energy Factor of 0.67 or higher. In emergencies credit can be given without pre-approval, with a paid receipt and final inspection sent within 30 days. [3]
- The City of Boulder's 2024 Energy Code update FAQ states that there are no exceptions for residential projects or additions: they must be all-electric. Even where commercial exceptions allow natural gas, space and water heating must be all electric. For Level 3 alterations, the city says equipment can still be replaced, but the space must be wired for future electric equipment. [4]
Boulder rules and programs for water heater replacement
- Under the City of Boulder's Capital Improvement Policy for its homeownership program, replacing a water heater more than 10 years old can qualify for a capital improvement credit of 80% of the owner's actual costs if the new unit meets EnergySmart rebate standards or has an Energy Factor of 0.67 or higher. In emergencies credit can be given without pre-approval, with a paid receipt and final inspection sent within 30 days. [3]
- The City of Boulder's 2024 Energy Code update FAQ states that there are no exceptions for residential projects or additions: they must be all-electric. Even where commercial exceptions allow natural gas, space and water heating must be all electric. For Level 3 alterations, the city says equipment can still be replaced, but the space must be wired for future electric equipment. [4]
Other common plumbing calls in Boulder
- Frozen Pipe Repair: front Range cold snaps freeze pipes in older homes.
- Sewer Line Repair: old clay laterals crack in expansive soils.
Safety first
Leaking tank: shut its power or gas and the cold-water valve.
Sources (4)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- City of Boulder, Water Treatment · checked 2026-10-06
- City of Boulder, Capital Improvement Policy · checked 2026-10-20
- City of Boulder, 2024 City of Boulder Energy Code Update Frequently Asked Questions · checked 2026-10-20
