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Water Heater Replacement Cost in Thornton, CO
Detailed pricing guide with local market adjustments and material comparisons
Thornton Average
$1,380–$4,600
Market Tier
Large City
Cost Breakdown
Water Heater Replacement Cost in Thornton
Large CityLowAverageHigh
$1,380$2,990$4,600
Market Tier
Large City (1.15x)
Large city with competitive market and moderate-high costs
Material Cost Comparison
Water heater unit(Budget)
$1,035–$3,450Expansion tank(Mid-Range)
$1,380–$4,600Water flex lines(Premium)
$1,932–$6,440Factors that affect your cost
- Tank vs tankless
- Gas vs electric
- Tank size (40-80 gallon)
- Venting modifications
- Code upgrades required
- Permit fees
Get Quotes in Thornton
C & J Plumbing and Heating
Lakewood, CO
(720) 612-8668Plumingo Plumbing & Heating
Lakewood, CO
(720) 724-3265
Sewer Lines Only
Lakewood, CO
(303) 562-9800Founding Member
Premium spot in Thornton
Ambassador
Lead the Thornton community
Founding Member
Premium spot in Thornton
Thornton Housing Market
Median Home Price
$485,000
Homes for Sale
151
Price per Sq Ft
$239
Local Pros
600
Home Service Professionals Near Thornton
Agents 115lender 89multimedia_specialist 80Landscapers 68Roofers 67Electricians 62Painters 61Flooring 58
Median Household Income
$100,985
Median Home Value
$482,200
Median Rent
$1,810/mo
Homeownership Rate
73.1%
Population
142,878
Median Year Built
1996
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Replacement
Water Heater Replacement
Date
April 2026
Cost
$2,990
Vendor
Your local pro
Warranty
10-year material warranty
Thornton average: $1,380–$4,600
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Water heater unitExpansion tankWater flex linesGas connector
Warranty Details
10-year material warranty
Auto-Checkup Created
"Water Heater Inspection" — every 12 months
Added by youApril 2026
Property Health Score
Good
80
plumbing category +15 pts(65 → 80)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
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Smith & Sons
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4.9(47)
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J&R Home Services
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Date:2026-04-09
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Cost FAQ
What is the average cost of water heater replacement in Thornton?
The average cost of water heater replacement in Thornton, CO ranges from $1,380 to $4,600. The final price depends on Tank vs tankless, Gas vs electric, Tank size (40-80 gallon).
What factors affect water heater replacement cost?
Key factors include: Tank vs tankless, Gas vs electric, Tank size (40-80 gallon), Venting modifications, Code upgrades required, Permit fees. In Thornton, local labor rates and material availability also influence pricing.
How do I get accurate quotes for water heater replacement in Thornton?
Get at least 3 quotes from licensed professionals in Thornton. Use Fizbo SmartSearch to find and compare local plumbers, read reviews, and request estimates — all in one place.