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WATER HEATER REPLACEMENT IN HIGHLANDS RANCH
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See what replacement costs ↓HIGHLANDS RANCH AT A GLANCE
Highlands Ranch is unincorporated, so you get a water heater permit from the Douglas County Building Division, not a city hall. A replacement is a 'basic' mechanical permit you can get online, with the fee based on job value (from $23.50). Water from Highlands Ranch Water is hard, about 11–13 grains per gallon.
Highlands Ranch is an unincorporated community in Douglas County, so county offices handle permits.

01 / TYPICAL PRICES



AI equipment illustrations; models vary and images are not to scale. Typical national prices from Home Depot ↗, checked September 28, 2026. The source doesn’t say how many jobs the ranges are based on. These are not Highlands Ranch averages or guaranteed quotes.
02 / COMPANIES WE FOUND
Companies that advertise water heater replacement here, with what their water heater customers say.
Companies we found in our research. They are not Ember & Tank providers or partners. We show selected reviews, not a rating or every review. How we choose reviews →
Lists Highlands Ranch among the areas it serves. Based in Denver, CO.
Published price: Coupon: "$50 OFF Any Plumbing Service" — covers items including "Water Heater Tune Up and Flush" (Limit one coupon per transaction; Valid through September 30, 2026). No water heater replacement price published —
Water heater feedback A reviewer praised next-morning water heater replacement.
Worth knowing A water heater customer disputed the installation price and warranty choices.
2 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves.
Published price: Coupon: "$125 Off A Tank or Tankless Water Heater" (Expires 10/31/26; not valid with any other offer) — Water heater installation page advertises "FREE estimates for water heater installations throughout Denver" —
Water heater feedback A BBB reviewer said Bell fixed complications with a new water heater installation, apologized and discounted the fee.
Worth knowing One BBB complainant said a boiler fired without water after a side-arm water heater replacement.
4 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves. Based in Westminster, CO.
Published price: Special offers page lists "$999 off Tankless Water Heaters" and "Free Under Counter Water Filtration System with purchase of Water Heater ($1,000 value)" (valid at participating locations; one coupon per household; an expiry of 2026-09-30 is shown among the offers) —
Water heater feedback A 2019 HomeAdvisor reviewer called the water heater installation efficient and professional, on time, with good explanations.
Worth knowing No water heater complaints found in the sources checked.
1 water heater review read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves.
Water heater feedback A reviewer said Blue Sky made them feel they got full value on a boiler and water heater replacement, and a BBB complainant said a follow-up visit fixed their installation problems.
Worth knowing One BBB complainant said Blue Sky charged for a warranty replacement water tank; Blue Sky said an internal policy change caused confusion, issued a $2,977.52 credit and the customer accepted.
3 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves. Based in Centennial, CO.
Water heater feedback A reviewer praised a technician who replaced an old water heater with a tankless unit and repaired a drain, calling the price reasonable for the work.
Worth knowing No water heater complaints found in the sources checked.
1 water heater review read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves.
Published price: Coupon: "$150.00 Off Water Heater Installation" (also a general "$50 Off Work Performed*" offer) — and
Water heater feedback One customer praised fast scheduling and communication after their water heater failed.
Worth knowing Another customer reported recurring water heater faults and poor follow-up.
2 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves. Based in Castle Rock, CO.
Water heater feedback Company-hosted testimonials praise an on-time 50-gallon Rheem installation, a friendly technician's repair of a failed water heater valve, and a tune-up without pressure to buy extras.
Worth knowing No water heater complaints found in the sources checked.
3 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves. Based in Lakewood, CO.
Published price: Homepage coupons: "MILITARY 5% DISCOUNT", "FIRST RESPONDERS 5% DISCOUNT", "TEACHERS 5% DISCOUNT". No water heater price published —
Water heater feedback One reviewer praised tankless water heater exhaust-piping work and cleanup.
Worth knowing Too little water heater replacement feedback to assess installation pricing or outcomes.
1 water heater review read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves. Based in Denver, CO.
Published price: Page title: "Water Heater Replacement Denver | From $2,900". States: "Most Denver homeowners invest between $2,900 and $4,700 for a complete water heater replacement, including removal, installation, and all required code components." Financing example: "A standard $2,900 replacement financed over 60 months at an example 8.9% APR is about $60/month" —
Water heater feedback Reviewers praised thorough explanations during a water heater flush and tankless service, and timely work on a replacement.
Worth knowing No water heater complaints found in the sources checked.
3 water heater reviews read, checked September 29, 2026.
Lists Highlands Ranch among the areas it serves.
Published price: Coupon: "$250 Off a Water Heater Installation" (promo code 250-waterheater, expires 12/29/2026; existing residential only) — Water heater page also states a "$49 service fee (we waive the service charge if you choose us to repair the issue)" and that in-home estimates are free —
Water heater feedback BBB reviewers praised replacements of old water heaters, clear explanations of options and code-related parts, and quotes that held without add-ons.
Worth knowing In a September 2026 BBB review, a customer said a water heater installed August 21, 2026 needed four return visits for the same loss of hot water; no business reply was shown.
4 water heater reviews read, checked September 29, 2026.
Also listing Highlands Ranch: SWAN Plumbing, Heating, Air Conditioning & Electric, Tipping Hat Plumbing, Heating & Electric.
Order: companies based in Highlands Ranch first, then companies whose water heater reviews we’ve read. Each group is alphabetical. These businesses are not our employees or vetted partners and do not receive requests from Ember & Tank. We haven’t checked their license, insurance or quality of work. Colorado DORA license lookup ↗.
FROM COMPANIES SERVING HIGHLANDS RANCH






HOMES IN HIGHLANDS RANCH
The median home was built in 1997. A first or second replacement is common in homes this age.
75% of homes heat with utility gas, so gas water heaters with existing venting are common here.
U.S. Census Bureau, American Community Survey ACS 2024 5-year ↗ (2020-2024). Heating fuel is what homes use to heat the house. It often, but not always, matches the water heater’s fuel.
LOCAL CONDITIONS
Highlands Ranch Water reports hardness of 11–13 gpg. The district says softened water, which is high in sodium, shouldn't be used to water lawns and gardens, and that extra chloride from softeners could eventually affect its wastewater treatment.
Douglas County lets you replace equipment in an emergency before the permit is issued, as long as you apply by the next business day.
Douglas County Building Division – Mechanical/Plumbing permits ↗
ENERGY & WATER
Highlands Ranch Metro District – Report a streetlight outage (redirects to Xcel Energy) ↗ · Highlands Ranch Metro District – New resident welcome ↗
Highlands Ranch Water (Centennial Water & Sanitation District): 11–13 grains per gallon (188–222 mg/L), 'hard'; South Platte River is the main source; hardness is not removed in treatment
Highlands Ranch Water – Water hardness ↗ · Highlands Ranch Metro District – New resident welcome ↗
REBATES & CREDITS
For Xcel Energy customers in Highlands Ranch. Ask installers for the price before rebates, then check with the program that you qualify.
Checked September 29, 2026. Who qualifies and the conditions: Colorado rebates · How to check an incentive.
PERMITS & LICENSING
Highlands Ranch is unincorporated, so the Douglas County Building Division issues the permit. A water heater replacement is a 'basic' mechanical permit with no plan review. Get it online through the county's eSubmittal system, or in person, by mail or by fax. In an emergency you can replace the heater first, as long as you apply by the next business day.
Yes. Plumbing and electrical contractors must show State of Colorado (DORA) licenses and register with Douglas County. Mechanical contractors must be licensed by Douglas County. Registration has been free in unincorporated Douglas County since July 1, 2013.
Douglas County Building Division ↗ · Douglas County Building Division – Mechanical/Plumbing permits ↗ · Douglas County Building Division Fees (Table 10.3, dated 6/29/2018) ↗ · Douglas County contractor registration ↗
Ask for the license number and search it yourself on the Colorado DORA license lookup ↗. A listing on Ember & Tank is not a license check. Colorado licensing explained →
NEARBY CITIES
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| Littleton | 4 mi | Required | By job value (from $25.85) | Xcel Energy |
| Lone Tree | 5 mi | Required | By job value (from $23.50) | Xcel Energy |
| Greenwood Village | 6 mi | Required | By job value (from $1) | Xcel Energy |
| Centennial | 7 mi | Required | By job value (from $23.50) | Xcel Energy, CORE Electric Cooperative |
| Cherry Creek | 7 mi | Required (county) | By job value (from $94.73) | Xcel Energy |
| Englewood | 7 mi | Required | By job value (from $26.78) | Xcel Energy |
COMMON QUESTIONS
The Douglas County Building Division. Highlands Ranch is unincorporated, and you can get a basic replacement permit online through the county's eSubmittal system.
Douglas County Building Division – Mechanical/Plumbing permits ↗
Yes. Douglas County accepts homeowner applications with a signed Homeowner Agreement saying the owner will do the work.
Douglas County Building Division – Mechanical/Plumbing permits ↗ · Douglas County contractor registration ↗
Highlands Ranch Water reports 11–13 grains per gallon (188–222 mg/L). That's hard water.
More guides: Colorado water heater replacement · All local guides