Water Heater Repair in Golden, CO
Golden drinks Clear Creek water, and its hardness rises and falls with the creek, from about 40 to 170 ppm. Every water heater replacement here needs a city permit and a final plumbing inspection, and contractors need a Golden license. If yours has quit or is leaking, call and get a plumber out.
What shapes water heater trouble in Golden
Clear Creek water that changes with the seasons
Golden treats its own water from Clear Creek. The city says hardness comes from naturally occurring calcium and magnesium and fluctuates as the creek level changes, usually between 40 and 170 ppm; water above 180 ppm is generally considered very hard. The city leaves softeners up to personal preference and points out that they add salt. At the harder end of that range, sediment builds faster in a tank, so a yearly drain and flush is a good habit.
Brown water can happen when lines are stirred up by maintenance or repairs. The city's advice is to run the cold tap for 15 to 20 minutes, and using cold keeps that sediment out of your water heater. Milky or cloudy water is usually dissolved air from line work or hydrant use and can take several hours to clear. If your water stops unexpectedly, there may be a break near your house; the Water & Sewer Emergency Line is 303-384-8158, staffed 24 hours. The water lab is 303-384-8181.
Older homes and free line replacement
In Golden the water service line is owned entirely by the customer. The city says homes built before 1940 are at the highest risk of having a lead service line, or a galvanized line that is or was connected downstream of lead. Golden Water is checking unknown lines by records, small potholes or a look where the line enters your foundation, and if it finds lead or qualifying galvanized pipe it replaces the line at no cost to the owner. Homes listed as unknown get a letter every year until the material is confirmed.
Permit, licensed contractor and inspection
Golden's permit guide lists water heater installation or replacement among the projects that need a city permit. Every contractor working on a permitted job inside city limits needs a Golden contractor license and must be named on the permit before it's issued. After the install, a final plumbing inspection is required, and the city says thermal expansion tanks must be installed to the manufacturer's guidelines and labeled with their set pressure. The Building Division is at 303-384-8151.
Rebates closed for 2026, Xcel gas
Golden's 2026 sustainability rebate offered up to $750 toward an electric heat pump water heater, or up to $1,500 for low-income households, with a matching Xcel Energy rebate and a city permit required. The city says the program reached its budget and is closed to new energy rebate applications for 2026. About 73% of Golden homes heat with gas, which Xcel Energy supplies, and 24% with electricity. About 43% of households rent, so tenants should start with the landlord.
Safe steps for Golden homes
- Leaking? Close the cold water valve on top of the tank.
- Turn off the gas valve or the breaker for the heater.
- Gas smell? Xcel Energy serves Golden. Leave the house, call 911 from outside, then Xcel Energy at 800-895-2999.
Where we take calls
Golden, Jefferson County, ZIP codes 80401, 80403. Not sure your address is covered? Call and we'll check.
Nearby towns
Repair, replacement and emergencies

Water Heater Repair
Gas, electric and tankless repairs, from pilot lights to heating elements.
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No Hot Water
Cold shower this morning? Get the cause found and fixed fast.
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Leaking Water Heater
Water around the tank or a dripping relief valve. Act before it floods.
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Emergency Water Heater Repair
Burst tank, gas smell or water everywhere. Call right away.
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Water Heater Replacement
When repair no longer makes sense, get a new tank or tankless unit.
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Tankless Water Heater Repair
Error codes, lukewarm water and scale buildup on tankless units.
Learn moreGolden water heater questions
Who is the gas company in Golden, CO?
Xcel Energy lists Golden for natural gas service. If you smell gas, leave first, call 911 from outside, then Xcel at 800-895-2999.
How hard is Golden's water?
The city says it usually ranges from 40 to 170 ppm and changes with the level of Clear Creek. Above 180 ppm is generally considered very hard.
Do I need a permit to replace a water heater in Golden?
Yes. The city lists water heater installation or replacement as permit work. Contractors need a Golden contractor license and must be on the permit, and a final plumbing inspection is required.
Does Golden have a rebate for heat pump water heaters?
Golden's 2026 rebate offered up to $750, or $1,500 for low-income households, but the city says the program has reached its budget and is closed to new energy applications for 2026.
Where these local facts come from
- US Census Bureau, American Community Survey 2020-2024 (via Census Reporter)
- City of Golden, water quality reports and drinking water FAQs
- City of Golden, service line inventory (free lead and galvanized line replacement)
- City of Golden, required building permits guide
- City of Golden, building permit process (contractor licenses and water heater inspections)
- City of Golden, 2026 sustainability rebates (program closed)
- Xcel Energy, 2022 Colorado communities served (gas and electric key)
Figures are the latest published by each source. Pricing and availability are set by the plumber.
No hot water in Golden?
Call now for water heater repair or replacement.