The median Centennial home was built in 1983, in neighborhoods like Southglenn, Willow Creek, and Piney Creek. Forty-year-old houses need a predictable list of plumbing work.
What 40-year-old plumbing needs
By now, most original water heaters, supply lines, toilet and faucet guts, and shutoff valves have been replaced once or are overdue. Homes from this era can also have polybutylene supply pipe, which is prone to failing at the fittings. If you're not sure what's in your walls, we'll tell you while we're there.
Who your water comes from
Centennial doesn't run a water utility. Depending on where you live, your water comes from a district like Southgate, Castlewood, Havana, or Southeast Englewood (all delivering Denver Water's water), or from East Cherry Creek Valley in the eastern part of the city. That matters for rebates, watering rules, and backflow notices, so check your water bill.
Common Centennial calls
- Water heater replacement, tank or tankless
- Supply line and fitting leaks under sinks and behind toilets
- Main line clogs and root intrusion
- Shutoff valves that won't close
- Softener installs and repairs
Centennial plumbing at a glance
| Water providers | No city utility. Several districts serve Centennial, many of them delivering Denver Water's water (Southgate, Castlewood, Havana, Southeast Englewood, Willows). East Cherry Creek Valley serves the eastern part of the city. |
|---|---|
| Water hardness | Denver Water–supplied districts averaged about 105 mg/L in 2025. East Cherry Creek Valley doesn't publish a figure. |
| Homes | Median year built 1983, and about half the homes went up in the 1970s and 80s |
| 2026 watering rules | Denver Water's rules apply in the districts it supplies: lawn watering ended Sept. 30, 2026, and sprinklers stay off into spring 2027 |
Sources: City of Centennial utilities; Denver Water distributors; East Cherry Creek Valley; Denver Water 2026 water quality report; Census ACS 2019–2023 via Point2Homes; Denver Water drought rules. Checked October 2026.
Backflow testing in Centennial
Centennial's backflow rules depend on your water district: East Cherry Creek Valley, ACWWA, Willows Water, and Southgate each set their own testing and reporting rules.
First test $95 per device for new customers. Backflow testing in Centennial →
What we do in Centennial
- 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 Greenwood Village, Littleton, Aurora, Lone Tree, and the rest of the Denver metro. See every city we serve →