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How much does a water heater replacement cost in Olathe, KS?

US national rangeUpdated Prices checked October 20262 sources

A water heater replacement costs $882 to $1,826 nationally, typical $1,348. We have no documented price index for Olathe for this job, so this is the US national range from HomeAdvisor, checked October 2026.

US national range, not adjusted for this city

Low
$882
Typical
$1,348
High
$1,826

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Water heater replacement cost in Olathe, KS

We have no documented price index for Olathe for this job, so the table shows the US national range.

Water heater replacement cost in Olathe, KS
EstimateLowTypicalHighBasisChecked
US national range$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs (HomeAdvisor)October 2026

Water heater replacement cost by type or size

US national figures in USD, as published by each source.

Water heater replacement cost by type or size
Type or sizePrice (USD)Source
40-gallon tank, installed$550 to $2,300Fixr
50-gallon tank, installed$700 to $2,500Fixr

What drives the cost of a water heater replacement

  1. Type of heater

    Tank, tankless, heat pump and solar units differ widely in price.

  2. Tank size

    A 50-gallon tank costs more than a 40-gallon tank.

  3. Fuel source

    Switching fuel, or adding gas lines or electrical circuits, raises the cost.

  4. Venting and code upgrades

    Power venting, expansion tanks and code fixes add parts and labor.

  5. Labor and access

    Labor is about half the total; tight closets and attics take longer.

Permits and what's included in Olathe

Permit note

Most areas require a plumbing permit. A standard permit runs about $25 to $300, and a separate gas permit, if needed, about $50 to $300.

Rules are set locally; confirm with Olathe’s building department.

What’s usually included

  • The new water heater
  • Labor to disconnect the old unit and connect the new one
  • Removal of the old unit (often included; confirm on the quote)

Scopes vary. Get the scope in writing on every quote.

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Top-ranked plumbers in Olathe

The top 3 of 323 plumbers we rank for Olathe, KS, by CR Score. Paid placement never changes rank.

  1. #1
    Anthony Plumbing, Heating, Cooling & Electric
    CR Score 674.9from 18,735 Google reviews
  2. #2
    Roto-Rooter Plumbing & Water Cleanup
    CR Score 664.9from 2,414 Google reviews
  3. #3
    Roto-Rooter Plumbing & Water Cleanup
    CR Score 644.9from 4,075 Google reviews

See all ranked plumbers in Olathe

Water heater replacement cost in Olathe: questions

How much does a water heater replacement cost in Olathe, KS?

A water heater replacement costs $882 to $1,826 nationally, typical $1,348. We have no documented price index for Olathe for this job, so this is the US national range from HomeAdvisor, checked October 2026.

Do I need a permit for a water heater replacement in Olathe?

Most areas require a plumbing permit. A standard permit runs about $25 to $300, and a separate gas permit, if needed, about $50 to $300. Rules are set locally, so confirm with Olathe’s building department.

What affects the cost of a water heater replacement?

Type of heater: tank, tankless, heat pump and solar units differ widely in price. Tank size: a 50-gallon tank costs more than a 40-gallon tank. Fuel source: switching fuel, or adding gas lines or electrical circuits, raises the cost. Venting and code upgrades: power venting, expansion tanks and code fixes add parts and labor.

How many plumbers serve Olathe?

We rank 323 plumbers for Olathe, KS by CR Score. Get at least three written quotes for the same scope.

What is usually included in the price?

The new water heater; Labor to disconnect the old unit and connect the new one; Removal of the old unit (often included; confirm on the quote). Always get the scope in writing on the quote.

Sources

Checked October 2026. Figures are estimates, not quotes.

  1. HomeAdvisor: Water heater installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; drivers; permit.
  2. Fixr: Water heater installation cost · page updated January 27, 2026 · checked October 2026Used for: Prices by tank size; cross-check: $900 to $3,000, average $1,400 for a gas tank.
These are published estimates, checked October 2026. They are not quotes. Typical range shown: $882 to $1,826. Editorial policy

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