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2 services · Highlands Ranch

Outdoor & seasonal in Highlands Ranch, CO

Outdoor plumbing is where freezing weather and irrigation season meet. A cracked hose bib can leak inside the wall for weeks before anyone notices, and many water utilities require yearly testing of the backflow preventer on lawn irrigation systems.

  • Licensed local plumbers
  • The problem explained before work starts
  • Price agreed before the job begins
Outdoor hose bib on an exterior wall

Outdoor & seasonal services in Highlands Ranch

Local conditions

Outdoor & seasonal in Highlands Ranch: what's different

Most Highlands Ranch neighborhoods have irrigated yards and HOA landscaping rules, so spring sprinkler start-up, backflow testing and fall blowouts are routine. A leaking irrigation backflow device or valve can waste a lot of water quickly.

Centennial Water has watering rules and conservation programs, and backflow preventers need to be protected from freezing over winter. A cracked device found at spring start-up is one of the most common outdoor calls here.

Water and sewer in Highlands Ranch
Centennial Water and Sanitation District provides water and sewer service to Highlands Ranch.
Permits in Highlands Ranch
Because Highlands Ranch is unincorporated, plumbing permits come from the Douglas County Building Division.

Highlands Ranch housing and plumbing

Most homes are two-story with basements. Early homes from the 1980s are now replacing original fixtures, shutoff valves and supply lines, and some early-era supply piping may need a closer look. Newer phases have PEX and modern water heaters.

Other Highlands Ranch conditions that affect plumbing

  • First-generation homes aging: The earliest neighborhoods are reaching the age where original water lines, valves and drain connections start to leak.
  • Basement finishing: Many basements were finished years after construction. Pipes hidden behind drywall along foundation walls are harder to reach when a leak starts.
  • Outdoor watering: Centennial Water has watering rules and conservation programs; a leaking irrigation backflow device or valve can waste a lot of water quickly.
  • HOA and irrigation season: Most Highlands Ranch neighborhoods have irrigated yards and HOA landscaping rules, so spring sprinkler start-up, backflow testing and fall blowouts are routine plumbing tasks.

Neighborhoods and ZIP codes

Plumbers on Thawline cover Highlands Ranch and Douglas County, including Northridge, Eastridge, Southridge, Westridge, Backcountry. ZIP codes: 80126 · 80129 · 80130.

When to call a plumber in Highlands Ranch

  • Water inside the wall or basement near an outdoor faucet when it's used
  • A hose bib that drips or won't shut off
  • A notice from your water utility that a backflow test is due
  • A backflow device that leaks or spits water when irrigation runs
  • Spring start-up after a cracked pipe or device over winter

How these problems start and how to choose between repair options is covered in the outdoor & seasonal guide.

Outdoor & seasonal questions in Highlands Ranch

Does Centennial Water require backflow testing?

Water providers in Colorado generally require backflow devices on irrigation systems to be tested by a certified tester. Check with Centennial Water for your device's schedule and due date.

Why did my frost-free hose bib freeze?

Usually because a hose was left connected, which traps water in the valve body, or because the bib was installed without enough slope to drain.

More plumbing in Highlands Ranch

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