The median Parker home was built in 2004, and only about 1% of homes are older than 1970. That makes Parker's plumbing pretty predictable.
What 20-year-old plumbing needs
Tank water heaters installed with the house are past their expected life. Original faucet cartridges, toilet fill valves, and supply lines start to go. Expansion tanks and pressure-reducing valves fail quietly, then show up as a dripping relief valve or a toilet that runs.
Parker's water
Parker Water & Sanitation District blends surface water from Rueter-Hess Reservoir with alluvial and deep groundwater, and its hardness ranged widely in 2025, from 34 to 206 mg/L. Not every Parker subdivision is on Parker Water; Cottonwood, Pinery, Stonegate, Compark, and Meridian serve some neighborhoods. Parker Water also offers rebates on high-efficiency toilets and smart irrigation.
Common Parker calls
- First water heater replacement
- Softener installation or repair
- Running toilets and dripping faucets
- Frozen hose bibs and garage pipes
- Expansion tank and pressure-reducing valve replacement
Parker plumbing at a glance
| Water providers | Parker Water & Sanitation District for most of town. Some subdivisions are served by Cottonwood, Pinery, Stonegate, Compark, or Meridian. |
|---|---|
| Water hardness | Parker Water averaged 108 mg/L in 2025, ranging from 34 to 206 across 298 samples |
| Homes | Median year built 2004. Only about 1% of homes were built before 1970. |
| Watering rules | Parker Water: no watering 10 a.m.–6 p.m. on assigned days; daytime limits end Oct. 1 |
| Rebates | Parker Water offers rebates on high-efficiency toilets and smart irrigation, plus free sprinkler audits |
Sources: Parker Water new resident information; Parker Water 2026 report; Census ACS 2019–2023 via Point2Homes; Parker Water watering rules; Parker Water rebates. Checked October 2026.
Backflow testing in Parker
Parker Water & Sanitation District requires annual tests on domestic and fire assemblies and a test at every irrigation startup, filed through its online tester portal.
First test $95 per device for new customers. Backflow testing in Parker →
What we do in Parker
- Drain cleaning and main sewer line clearing, including root cutting
- Water heater repair and replacement, tank and tankless
- Leak detection and repair, including slab leaks
- Frozen and burst pipe repair, same day for active leaks
- Backflow testing and repair, with the report for your water provider
- Sprinkler blowouts and spring startups
- Toilets, faucets, disposals, and shower valves
- Water softeners and whole-home filtration
Nearby
We also serve Lone Tree, Aurora, Centennial, Highlands Ranch, and the rest of the Denver metro. See every city we serve →