How much does window replacement cost in Boulder, CO?

Most Boulder homeowners spend between $530 – $1,750 on window replacement, with an average around $1,000. Local labor prices 18% above the national average, so Boulder quotes tend to land at the higher end of national ranges.

Why is window replacement more or less expensive in Boulder than elsewhere?

Boulder is the priciest Front Range market with premium green-build standards. Snow loads, hail and wildfire-interface rules all apply.

Do I need a permit for window replacement in Boulder, Colorado?

Strict city permitting, energy codes and design review. 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 Boulder?

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 Denver market.

How much does one replacement window cost?

$450 to $1,500 installed for a standard double-hung window; premium fiberglass, wood-clad and oversized units run $1,500 to $2,600.

Is it cheaper to replace all windows at once?

Yes. Crews spread mobilization and setup across the job, and most manufacturers discount orders of 8 or more units, which usually saves 10% to 20%.

Insert vs full-frame replacement?

Inserts reuse the existing frame and cost 20% to 35% less. Full-frame replacement is required when the sill, jamb or surrounding wood is rotted.

Do new windows pay for themselves?

Energy savings typically run $125 to $465 a year replacing single-pane windows, and window replacement returns roughly 60% to 70% of cost at resale.

What upgrades actually matter?

Double-pane low-E with argon fill is the value sweet spot. Triple pane pays off mostly in very cold climates or on noisy streets.

How long does installation take?

About 30 to 60 minutes per window, so most whole-home jobs finish in one to three days after a two- to six-week manufacturing lead time.

Home/Cost guides/Window Replacement/Boulder, CO

Denver · Colorado

Window Replacement cost in Boulder, CO

Boulder homeowners typically pay $530 – $1,750 for window replacement. Local labor and materials price 18% above the national average.

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Boulder average

$1,000

Typical low

$530

Typical high

$1,750

Per window installed

$530 – $2,950

Sample ZIP

80301

What drives Boulder pricing

Local labor

Boulder is the priciest Front Range market with premium green-build standards.

Permits & code

Strict city permitting, energy codes and design review.

Climate & conditions

Snow loads, hail and wildfire-interface rules all apply.

Instant cost calculator

Adjust the inputs to see live pricing

Number of windows12 windows

Frame material

Install type

Glass package

Window style

Estimated project cost

$6,360 – $14,400

Most homeowners pay around $10,380

Compare frame material

Cost by material in Boulder

Installed Boulder pricing per window installed.

Option	Installed cost	Pros	Cons
Vinyl	$530 – $1,400	Best value, good insulation, no painting	Limited colors, frames can look bulky
Composite	$765 – $1,750	Stable in temperature swings, low upkeep	Fewer brands and installers
Aluminum	$590 – $1,650	Slim frames, strong for large spans	Conducts heat unless thermally broken
Wood	$945 – $2,600	Best appearance, historic-district friendly	Needs painting and rot inspection
Wood with aluminum cladding	$1,100 – $3,050	Wood interior, weatherproof exterior	Premium price
Fiberglass	$1,050 – $2,850	Strongest, longest-lived frame	Highest material cost

Where the money goes in Boulder

A typical $1,000 Boulder project, broken down by line item.

Windows (material)60% · $600
Labor28% · $280
Trim, caulk & finish8% · $80
Disposal & permit4% · $40

Common add-ons

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

Bay or bow window

Each

$1,750 – $5,300

Egress window + well

$2,950 – $7,100

Rotten frame or sill repair

Per opening

$175 – $945

Exterior capping / trim wrap

Per window

$89 – $295

Interior trim replacement

Per window

$120 – $415

Permit

$89 – $470

Ways to save in Boulder

Do the whole house at once — per-window labor drops sharply after the first few openings.
Choose insert installs when the existing frames are sound; that alone saves 25–35%.
Claim the 25C federal tax credit: 30% of cost, up to $600 per year for qualifying ENERGY STAR windows.
Standard sizes and stock colors cost far less than custom shapes or dark exterior finishes.
Buy in winter — window companies discount hardest in their slow season.

Boulder FAQs

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Window Replacement cost near Boulder

Window Replacement cost in Denver, CO

$490 – $1,617

Window Replacement cost in Aurora, CO

$472 – $1,557

Window Replacement cost in Lakewood, CO

$481 – $1,587

Window Replacement cost in Arvada, CO

$476 – $1,572

Window Replacement cost in Westminster, CO

$476 – $1,572

Window Replacement cost in Centennial, CO

$485 – $1,602

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Other project costs in Boulder

Fence Installation in Boulder

$1,770 – $4,720

Roof Replacement in Boulder

$10,030 – $40,120

Kitchen Remodel in Boulder

$21,240 – $112,100

HVAC Replacement in Boulder

$6,490 – $21,240

Deck Building in Boulder

$5,192 – $14,160

Bathroom Remodel in Boulder

$7,670 – $44,840

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