Storage tank
$1,600–$2,400Typical cost, including installation
WATER HEATER REPLACEMENT IN DARDENNE PRAIRIE
Dardenne Prairie Water Heater
Replacement
Take a photo of your old water heater to start a replacement quote.
Get a water heater quotePhotos optional. No payment or booking.
See what replacement costs ↓DARDENNE PRAIRIE AT A GLANCE
Replacing a water heater in Dardenne Prairie.
Dardenne Prairie's Building Division handles its own permits and inspections under the 2021 International codes, but it doesn't publish a water heater permit or fee, so call the city to confirm what you need. Electricity comes from Ameren Missouri or Cuivre River Electric, gas from Spire, and water from PWSD No. 2 or Missouri American Water, depending on your address.
- Permit to replace with the same type
- Check with the city · City of Dardenne Prairie Department of Building and Codes (Building Division)
- Who gets the permit
- Permit applications must name the licensed subcontractor and their license number. Changing the subcontractor after the permit is issued costs $50. We found no rule for homeowners doing their own plumbing.
- Electric utility
- Ameren Missouri and Cuivre River Electric Cooperative
- Gas utility
- Spire
- Water
- St. Charles County Public Water Supply District No. 2 or Missouri American Water, depending on address · PWSD No. 2: carbonate hardness 142–184 mg/L (about 8–11 gpg) from 2023 sampling, printed in its 2025 report. Missouri American Water areas: 60–164 ppm total hardness (2025 report).
- Rebate worth checking
- Missouri IRA Home Energy Rebates (HOMES and HEAR) (Not launched)
- Typical home
- Built 2004 (median) · 92% owner-occupied
- Companies found
- 5 that advertise water heater work
01 / TYPICAL PRICES
What a new water heater costs.
Know before you call.
Heat-pump tank
$2,500–$5,000Typical cost, including installation
Tankless
$2,400–$5,400Typical cost, including installation
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 Dardenne Prairie averages or guaranteed quotes.
Compare what each quote includes.Equipment · Labor · Permits · Old heater removalHow to compare quotes →
What we know about prices in Dardenne Prairie
- National installer’s published rangeThe ranges above. Home Depot ↗
- Local company’s advertised price1 of the companies listed for Dardenne Prairie post water heater prices or specials on their websites: Arch Plumbing. Each offer has its own conditions.
- Measured local dataNot collected yet, so no Dardenne Prairie average is shown.
What can change the price in Dardenne Prairie?
The city can combine building, plumbing, electrical and mechanical permits into one permit and add the fees together. An electrical service upgrade permit is $75, and repair/remodel permits are $150 (Ord. 2281, 2023).
02 / COMPANIES WE FOUND
Who replaces water heaters in Dardenne Prairie?
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 →
Arch Plumbing
Lists Dardenne Prairie among the areas it serves. Based in Lake St. Louis, MO area (site says 'Based near Lake St. Louis'; no street address shown).
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
Published price:
What the reviews say
Water heater feedback Customers praised quick scheduling for water heater replacements, including same-day and next-morning installs, and prompt, professional technicians.
Worth knowing No water heater complaints found in the sources checked.
4 water heater reviews read, checked September 30, 2026.
Performance Plumbing
Lists Dardenne Prairie among the areas it serves. Based in 1104 S Callahan Rd, Wentzville, MO 63385.
- Tank
- Tankless
- Heat pump
- Repair
What the reviews say
Water heater feedback Customers praised on-time, tidy water heater replacements at a fair price, clear explanations, and no-pressure estimates.
Worth knowing No water heater complaints found in the sources checked.
4 water heater reviews read, checked September 30, 2026.
Superior Service
Lists Dardenne Prairie among the areas it serves. Based in 101 Stag Industrial Blvd., Lake Saint Louis, MO 63367 (second location: 17722 Chesterfield Airport Rd., Chesterfield, MO 63005).
- Tank
- Tankless
- Emergency service
What the reviews say
Water heater feedback Reviewers praised a well-done gas water heater installation and a technician who caught water heater corrosion during routine maintenance.
Worth knowing A 2025 BBB complaint alleged a water heater and drain-pan install that was never tested and later let water leak into a neighbor's unit, and that Superior charged a $100 visit fee and would not correct it; Superior responded that the work was permitted, passed inspection, excluded the existing drain system, and that the overflow came from equipment it never serviced (listed as Answered).
4 water heater reviews read, checked September 30, 2026.
Faszold Heating, Cooling, Plumbing & Electrical (Faszold Service Co.)
Lists Dardenne Prairie among the areas it serves. Based in 1613 East Terra Ln, O’Fallon, MO 63366.
- Tank
- Tankless
- Repair
- Emergency service
What the reviews say
We haven’t found reviews that mention this company’s water heater work yet.
Roto-Rooter Plumbing & Water Cleanup (St. Louis)
Lists Dardenne Prairie among the areas it serves. Based in 2671 Washington Ave, St Louis, MO 63103 (local branch of national company).
- Tank
- Tankless
- Heat pump
- Repair
- Emergency service
What the reviews say
We haven’t found reviews that mention this company’s water heater work yet.
Order: companies based in Dardenne Prairie 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. Missouri has no statewide plumbing license (check your city or county) ↗.
FROM COMPANIES SERVING DARDENNE PRAIRIE
Photos of water heater jobs from these companies.
HOMES IN DARDENNE PRAIRIE
What Dardenne Prairie homes are like.
2004Median year built
4%Built before 1980
92%Owner-occupied
82%Heat with utility gas
95%Single-family homes
The median home was built in 2004. A first or second replacement is common in homes this age.
82% 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
What’s different in Dardenne Prairie.
2021 codes, including the plumbing and fuel gas codes
Dardenne Prairie enforces the 2021 International Plumbing, Mechanical, Fuel Gas and Residential Codes, adopted by Ordinance 2281 in December 2023.
Dardenne Prairie – Current Building Codes ↗ · Dardenne Prairie Code Art. VI Plumbing Code, §§500.080–500.085 (2021 IPC, Ord. 2281) ↗
Occupancy inspection when you sell or rent
You need a health and safety occupancy permit ($75) to sell, rent or lease a property. The city's inspection checklist includes water heater items such as a missing or broken heater, bad venting and the relief valve.
Dardenne Prairie – Permits & Licenses ↗ · Dardenne Prairie Code §500.170 Permit and Plan Review Fees (Ord. 2281, Dec. 20, 2023) ↗
ENERGY & WATER
Who supplies Dardenne Prairie homes.
Energy
- Electric: Ameren Missouri (Listed first by the city)
- Electric: Cuivre River Electric Cooperative (Some addresses)
- Gas: Spire
Dardenne Prairie – Utilities ↗ · Missouri PSC Utility Locator ↗
Water
St. Charles County Public Water Supply District No. 2 or Missouri American Water, depending on address: PWSD No. 2: carbonate hardness 142–184 mg/L (about 8–11 gpg) from 2023 sampling, printed in its 2025 report. Missouri American Water areas: 60–164 ppm total hardness (2025 report).
Dardenne Prairie – Utilities ↗ · St. Charles County PWSD No. 2 – 2025 Annual Water Quality Report (MO6024530) ↗ · Missouri American Water 2025 Water Quality Report, St. Louis County / St. Charles County ↗
REBATES & CREDITS
Rebates for Dardenne Prairie homes.
For Ameren Missouri, Cuivre River Electric Cooperative and Spire customers in Dardenne Prairie. Ask installers for the price before rebates, then check with the program that you qualify.
- Missouri IRA Home Energy Rebates (HOMES and HEAR) ↗Not launchedMissouri expects about $76 million for HOMES and $75 million for electrification and appliance rebates.
- Federal Energy Efficient Home Improvement Credit (25C) ↗EndedCovered improvements made through December 31, 2025.
Checked September 30, 2026. Who qualifies and the conditions: Missouri rebates · How to check an incentive.
PERMITS & LICENSING
Permits and licenses in Dardenne Prairie.
Permits and who issues them
Dardenne Prairie's Building Division issues home building permits and inspects plumbing, electrical and mechanical work under the 2021 International codes. The city's permit page and fee ordinance don't list a water heater permit or fee, so call the Building Division (636-561-1718) before a replacement to confirm.
The fee ordinance requires the licensed subcontractor's name, signature and license number on permit applications. We found no separate city plumber license.
City of Dardenne Prairie Department of Building and Codes (Building Division) ↗ · Dardenne Prairie – Building & Code Enforcement ↗ · Dardenne Prairie – Permits & Licenses ↗ · Dardenne Prairie – Current Building Codes ↗ · Dardenne Prairie Code §500.170 Permit and Plan Review Fees (Ord. 2281, Dec. 20, 2023) ↗ · Dardenne Prairie Code Art. VI Plumbing Code, §§500.080–500.085 (2021 IPC, Ord. 2281) ↗
Check the installer’s license
Ask for the license number and search it yourself on the Missouri has no statewide plumbing license (check your city or county) ↗. A listing on Ember & Tank is not a license check. Missouri licensing explained →
NEARBY CITIES
Compare places near Dardenne Prairie.
| City | Distance | Permit to replace | Fee | Electric |
|---|---|---|---|---|
| O'Fallon | 3 mi | Required | $50 | Ameren Missouri, Cuivre River Electric Cooperative |
| Lake St. Louis | 5 mi | Required | $50 | Cuivre River Electric Cooperative |
| St. Peters | 7 mi | Required | By job value (from $25) | Ameren Missouri, Cuivre River Electric Cooperative |
| Chesterfield | 9 mi | Required | $47 | Ameren Missouri |
| Wentzville | 10 mi | Check with city | $35, | Ameren Missouri |
| St. Charles | 11 mi | Required | $50 | Ameren Missouri |
COMMON QUESTIONS
Dardenne Prairie water heater questions.
Does Dardenne Prairie publish a water heater permit fee?
No. Its fee ordinance lists flat fees for things like finishing a basement and upgrading electrical service, but none for water heaters.
Dardenne Prairie Code §500.170 Permit and Plan Review Fees (Ord. 2281, Dec. 20, 2023) ↗ · Dardenne Prairie – Permits & Licenses ↗
Who provides water in Dardenne Prairie?
Either St. Charles County PWSD No. 2 or Missouri American Water, depending on your address. PWSD 2 reported carbonate hardness of 142–184 mg/L.
Dardenne Prairie – Utilities ↗ · St. Charles County PWSD No. 2 – 2025 Annual Water Quality Report (MO6024530) ↗
Is the water heater checked when I sell my house?
The city requires a health and safety occupancy inspection for sales and rentals, and its checklist covers whether the water heater works, its venting and the relief valve.
Dardenne Prairie – Permits & Licenses ↗ · Dardenne Prairie Code §500.170 Permit and Plan Review Fees (Ord. 2281, Dec. 20, 2023) ↗
More guides: Missouri water heater replacement · All local guides