How much does water heater installation cost in Longmont, CO?

Most Longmont homeowners spend between $1,250 – $3,700 on water heater installation, with an average around $2,200. Local labor prices 5% above the national average, so Longmont quotes tend to land at the higher end of national ranges.

Why is water heater installation more or less expensive in Longmont than elsewhere?

Licensed trade labor in Longmont runs about 105% of the national average, and the best crews book out fastest in spring and early summer. Colorado weather drives material choices here, so ask contractors what they install most often in Longmont and why.

Do I need a permit for water heater installation in Longmont, Colorado?

Most Longmont, CO projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Longmont?

Get at least three written quotes from licensed, insured Colorado contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Longmont metro market.

How much does it cost to replace a water heater?

$1,200 to $3,500 installed. A straight 50-gallon tank swap is $1,200 to $2,400; tankless conversion is $3,000 to $6,500.

Is tankless worth it?

If you plan to stay 10+ years, yes. It costs two to three times more to install but lasts twice as long and cuts water heating energy 20% to 30%.

How long does a water heater last?

Eight to twelve years for a gas tank, ten to fifteen for electric, and twenty or more for tankless with annual descaling.

What size water heater do I need?

40 gallons for two to three people, 50 for three to four, 75 to 80 for five or more. First-hour rating matters more than raw capacity.

Is a heat pump water heater a good idea?

In a garage or basement with adequate space and a mild climate, it cuts water heating cost 60% to 70% and often qualifies for large rebates.

Most jurisdictions require one, especially for gas and venting changes. Unpermitted work can surface at resale.

Home/Cost guides/Water Heater Installation/Longmont, CO

Longmont metro · Colorado

Water Heater Installation cost in Longmont, CO

Longmont homeowners typically pay $1,250 – $3,700 for water heater installation. Local labor and materials price 5% above the national average.

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Longmont average

$2,200

Typical low

$1,250

Typical high

$3,700

Per unit

$945 – $6,850

Sample ZIP

What drives Longmont pricing

Local labor

Licensed trade labor in Longmont runs about 105% of the national average, and the best crews book out fastest in spring and early summer.

Permits & code

Most Longmont, CO projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.

Climate & conditions

Colorado weather drives material choices here, so ask contractors what they install most often in Longmont and why.

Instant cost calculator

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Units1 unit

Water heater type

Fuel or type change

Location

Estimated project cost

$1,050 – $2,650

Most homeowners pay around $1,850

Compare water heater type

Cost by material in Longmont

Installed Longmont pricing per unit.

Option	Installed cost	Pros	Cons
Gas tank	$1,050 – $2,650	Fast recovery, cheap to run	Needs venting, 8-12 year life
Electric tank	$945 – $2,300	Cheapest install, no venting	Slower recovery, higher operating cost
Gas tankless	$2,650 – $6,300	Endless hot water, 20+ year life, saves space	Costly install, may need larger gas line
Electric tankless	$1,600 – $4,200	Compact, point-of-use friendly	Big amperage draw, struggles in cold climates
Heat pump (hybrid)	$2,300 – $5,800	Cuts water heating energy 60-70%, rebate eligible	Needs conditioned space and clearance
Solar water heater	$3,700 – $9,450	Lowest operating cost	Backup unit still required

Where the money goes in Longmont

A typical $2,200 Longmont project, broken down by line item.

Water heater unit48% · $1,056
Labor32% · $704
Venting, gas or electrical12% · $264
Permit, disposal and fittings8% · $176

Common add-ons

Extras that show up on Longmont quotes but rarely in the headline price.

Expansion tank

$105 – $370

New gas line or upsizing

$315 – $1,250

Dedicated 240V circuit

$420 – $1,250

Venting modification

$315 – $1,600

Drain pan and leak sensor

$105 – $420

Water softener

$840 – $3,150

Ways to save in Longmont

Replace before it fails so you are not paying emergency rates.
Right-size the tank; oversizing wastes standby energy every day for a decade.
Check federal, state and utility rebates for heat pump water heaters — they can cover $500 to $2,000.
Stay with your existing fuel type unless energy math clearly favors switching.
Buy the unit yourself during a sale and pay only for installation labor.

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More Longmont research

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Other project costs in Longmont

Fence Installation in Longmont

$1,575 – $4,200

Roof Replacement in Longmont

$8,925 – $35,700

Kitchen Remodel in Longmont

$18,900 – $99,750

HVAC Replacement in Longmont

$5,775 – $18,900

Deck Building in Longmont

$4,620 – $12,600

Window Replacement in Longmont

$473 – $1,575

See every Longmont cost guide