Water Heater Replacement in Parker, CO

What to expect when you call

The number connects you with an independent plumber who works in Parker. They'll want to know if the tank is leaking now, whether it's gas or electric, how big it is and where it sits. Before quoting, a plumber looks at the venting, gas or power supply, shutoff valves and the space around the heater, since a new model may be taller or wider than the one it replaces. If there's water on the floor, shut the cold valve on top of the tank and turn off its fuel.

Cost factors

• The capacity, fuel and efficiency of the replacement
• Switching to tankless, which can mean new gas piping and venting
• Code items such as an expansion tank, drain pan or relief line extension
• Access in a finished basement, garage or upstairs closet
• The Town or county permit and hauling off the old heater

Parker conditions worth knowing

Parker Water and Sanitation District is a special district separate from the Town. It blends Denver Basin well water with surface water from Rueter-Hess Reservoir and WISE supplies, and its 2026 report shows average hardness of 108 ppm, ranging from 34 to 206 ppm. Some neighborhoods, such as Stroh and Hess Ranch, are outside PWSD, and The Pinery has its own water and wastewater district, so check your bill.

PWSD notes that red or discolored water can come from natural iron and manganese in its well supply. If only your hot water is rusty, the heater is the likely culprit; if cold water looks off too, it may be the supply, and a new tank won't fix that.

The Town of Parker Building Division requires permits for water heater and furnace replacements, with applications through eTRAKiT. Unincorporated areas like The Pinery and Stonegate go through the Douglas County Building Division instead. The gas utility isn't confirmed on an official page for the town, so look at your bill; if you smell gas, leave the house first and call 911 and your gas utility from outside.

Checklist before the visit

• Run a cold tap to see whether discoloration is in both hot and cold
• Read the heater label for gallons, fuel and age
• Confirm whether you're in the Town, The Pinery or another area
• Clear boxes and bikes away from the heater
• Know where the main water shutoff is