Aurora neighborhood
Tankless heater and toilet repair in Seven Hills, Aurora, CO 80013
Seven Hills is a neighborhood of two-story homes built in the 1980s, near Arrowhead Elementary and Smoky Hill High School. Forty years in, bathrooms upstairs and water heaters downstairs keep us busiest here.
Seven Hills at a glance
- ZIP code
- 80013
- County
- Arapahoe
- Typical homes
- 1980s two-story single-family
- From our Aurora office
- Southeast via I-225, then Parker Rd or Buckley Rd
- Calls we get most
- Toilet leaks, heater swaps, pipe checks
Yes, Seven Hills is part of our regular route in southeast-central Aurora, including the E Dartmouth Ave area. It is southeast of our Dallas Street office via I-225 and Parker Rd or Buckley Rd. We answer 24/7, and an upstairs leak dripping through a ceiling gets a same day visit. Tankless upgrades are scheduled after a site check.
Where a 1980s two-story in Seven Hills usually springs a leak
Seven Hills is mostly two-story single family houses built in the 1980s. In this layout, the main bathroom and often a second bath sit directly over the living room, kitchen or garage. A toilet seal that fails slowly, a supply line that weeps or a tub drain gasket that dries out all end up as a stain on the ceiling below.
Homes from the 1980s also fall inside the years when polybutylene supply pipe was being installed nationwide, roughly 1978 to 1995. Not every Seven Hills house has it, but enough houses from that era do that it is worth checking. If the pipe at your water heater is gray and flexible with crimp rings, it is a good idea to have the fittings inspected, especially the ones hidden above the first floor ceiling.
Most of these homes are on their third or so water heater. Many owners now ask whether a tankless unit makes sense. It can, but gas tankless heaters need the right gas line size, venting and a model set up for high altitude. Aurora's moderately hard water also scales the heat exchanger over time, so we talk about descaling or a softener at the same visit. A permit is required for the swap.

Common calls
Seven Hills calls that keep coming back
Toilet Repair
Upstairs toilets in forty year old homes run, rock or leak at the wax ring. Catching a seal leak early protects the ceiling and floor framing below.
More on toilet repairTankless Water Heater Installation
Owners replacing a tank often move to tankless for endless hot water. We check gas sizing and venting first and install a model rated for high altitude.
More on tankless water heater installationLeak Detection
Ceiling stains under an upstairs bath can come from a toilet, tub drain, shower valve or supply line. Testing first means one small, accurate opening.
More on leak detectionWhole-House Repiping
Homes from the 1980s may have polybutylene. Replacing it with PEX ends the worry about a fitting failing above a finished ceiling.
More on whole-house repipingPressure Reducing Valves
High water pressure stresses toilet fill valves, supply lines and heater tanks. A working pressure reducing valve keeps the house at a safer, steadier pressure.
More on pressure reducing valvesLocal tips
Small checks for a two-story Seven Hills home

- Rock test the upstairs toiletGrip the toilet bowl and gently try to rock it. Any movement means the seal may be breaking. Have it reset before the ceiling below shows a stain.
- Measure your water pressureA hose bib pressure gauge costs little. If it reads well above about 80 psi, the pressure reducing valve may be failing.
- Plan the tankless swap earlyIf your tank heater is past ten years, ask about tankless before it fails. A planned switch leaves time to check gas sizing and venting.
Questions
Plumbing questions from Seven Hills
Can a Seven Hills home switch from a tank to a tankless water heater?
Most can, but it takes planning. A gas tankless heater often needs a larger gas line, new venting and a model rated for Aurora's elevation. We look at your gas meter, the run to the heater and where the vent can exit, then give you a clear price before any work starts.
What causes a ceiling stain under the upstairs bathroom in Seven Hills?
The usual sources are a failing toilet wax seal, a loose tub or shower drain, a worn shower valve or a weeping supply line. In 1980s homes, a polybutylene fitting is another possibility. We test each one before cutting into the ceiling, so the opening is small and in the right place.
Why does my Seven Hills toilet keep running at night?
A worn flapper, a fill valve that is out of adjustment or high water pressure can all cause it. If several fixtures drip or run, check pressure first. We replace the worn parts and test the pressure reducing valve so the problem does not move to the next toilet.
Plumbing trouble in Seven Hills?
Call any hour. We tell you on the phone how soon a plumber can get to you.