How Much Does an Egress Window Cost?

Typical cost

$2,500 – $6,000

National average: $4,000 installed

Range gauge
Avg $4,000
Low $2,500 $6,000 High

Interactive worksheet

Egress window cost calculator

Set the scope, size, and state — the tally updates as you go. Built from this guide's figures and BLS state wage data.

01 Quality & scope

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State figures apply BLS construction wages (2025) at a 60% labor weight — how we estimate.

Your estimate

Labor ≈60%
$2,400
Materials & equipment
$1,600
Planning range
$3,600 – $4,400

U.S. construction trades average $65,360/yr (BLS 2025).

Get three written bids. One far under $3,200 usually means missing scope — ask what's not included. Far over $4,800, ask what's driving the number.

An egress window is the code-required emergency exit that makes a basement bedroom legal — and installing one means cutting through your foundation. It costs $2,500 to $6,000 in 2026, averaging around $4,000, depending on your foundation and whether there’s an existing opening.

What you’re paying for

The window is the cheap part. The cost is in cutting the foundation, excavating and building the window well, adding drainage, and finishing — plus permits and an inspection to confirm it meets exit code.

New cut vs. existing opening

Enlarging an existing basement window is the cheaper path. Cutting a brand-new opening through poured concrete is the priciest, since it’s slow, dusty, structural work.

It’s about code, not just light

An egress window must meet size and sill-height rules so a person can climb out in an emergency. That’s why a basement bedroom legally requires one — and why the well and cover matter too.

How to save on an egress window

  • Use an existing opening if one exists to enlarge.
  • Bundle it with a basement finish that’s already disturbing the area.
  • Plan drainage upfront to avoid a wet well later.
  • Pull the permit — an uninspected egress can derail a home sale.
Cost breakdown
ComponentTypical rangeNotes
Egress window unit$300 – $1,000
Cutting foundation / enlarging opening$800 – $2,500
Excavation & window well$500 – $1,500
Well cover, drainage, gravel$200 – $800
Interior finishing & permits$300 – $1,200
Cost by scenario
OptionTypical rangeNotes
Enlarge an existing opening$1,500 – $3,500
New cut in poured concrete$3,000 – $6,000
New cut in concrete block$2,500 – $5,000
With finished well & cover+$500 – $1,500

What affects the price

  • New cut vs. existing opening Enlarging an existing window is cheaper than cutting a brand-new opening through a foundation wall.
  • Foundation type Poured concrete is the hardest (and priciest) to cut; block and wood-frame walls cost less.
  • Excavation & window well Digging the well, adding gravel and drainage, and installing a well and cover are a big part of the job.
  • Depth & drainage Deeper wells need a drainage system tied to the foundation drain to prevent water pooling.
  • Permits & code Egress windows must meet size and sill-height code for emergency exit, and permits and inspection add cost.

Egress window cost by state

Where you live moves the price as much as any option you pick, because labor is a big share of the bill and construction wages differ sharply by state. Adjusted with BLS wage data (2025), a typical egress window job runs about $2,900 – $7,000 in Hawaii (+17%) versus $2,100 – $5,100 in Arkansas (−15%).

See the typical range in all 50 states + D.C.
Egress window cost by state (BLS-adjusted estimate)
State Typical range vs. national
Alabama $2,200 – $5,200 −13%
Alaska $2,900 – $6,900 +15%
Arizona $2,400 – $5,700 −5%
Arkansas $2,100 – $5,100 −15%
California $2,800 – $6,700 +12%
Colorado $2,500 – $6,000 U.S. average
Connecticut $2,700 – $6,400 +7%
Delaware $2,500 – $5,900 −2%
District of Columbia $2,700 – $6,500 +8%
Florida $2,300 – $5,500 −9%
Georgia $2,300 – $5,500 −8%
Hawaii $2,900 – $7,000 +17%
Idaho $2,400 – $5,600 −6%
Illinois $2,900 – $6,900 +15%
Indiana $2,500 – $6,100 +1%
Iowa $2,400 – $5,800 −3%
Kansas $2,400 – $5,700 −5%
Kentucky $2,300 – $5,600 −7%
Louisiana $2,300 – $5,400 −10%
Maine $2,500 – $5,900 −2%
Maryland $2,500 – $6,000 U.S. average
Massachusetts $2,900 – $6,900 +15%
Michigan $2,500 – $6,000 U.S. average
Minnesota $2,700 – $6,500 +9%
Mississippi $2,200 – $5,200 −13%
Missouri $2,600 – $6,100 +2%
Montana $2,500 – $5,900 −2%
Nebraska $2,400 – $5,600 −6%
Nevada $2,600 – $6,200 +3%
New Hampshire $2,500 – $5,900 −1%
New Jersey $2,800 – $6,800 +14%
New Mexico $2,300 – $5,500 −8%
New York $2,800 – $6,600 +10%
North Carolina $2,300 – $5,400 −10%
North Dakota $2,500 – $6,100 +1%
Ohio $2,500 – $6,000 U.S. average
Oklahoma $2,300 – $5,500 −9%
Oregon $2,800 – $6,600 +10%
Pennsylvania $2,500 – $6,100 +1%
Rhode Island $2,600 – $6,200 +4%
South Carolina $2,300 – $5,500 −9%
South Dakota $2,300 – $5,400 −10%
Tennessee $2,300 – $5,500 −8%
Texas $2,300 – $5,500 −9%
Utah $2,400 – $5,600 −6%
Vermont $2,400 – $5,800 −3%
Virginia $2,400 – $5,700 −5%
Washington $2,900 – $7,000 +16%
West Virginia $2,400 – $5,700 −5%
Wisconsin $2,600 – $6,200 +4%
Wyoming $2,500 – $5,900 −1%

Estimates apply each state's BLS construction-wage multiplier to this guide's national range — a planning number, not a quote. Browse the full state cost guides or our methodology.

Frequently asked questions

How much does it cost to install an egress window?
Most egress window installs run $2,500–$6,000, averaging about $4,000. Enlarging an existing opening is cheaper ($1,500–$3,500); cutting a new opening in a poured concrete foundation is the most expensive.
Why do I need an egress window?
Building code requires an egress window in any basement bedroom or finished sleeping area — it's a code-sized emergency exit and lets light in. Without one, a basement bedroom isn't legal and can cause problems at resale.
What makes a window 'egress'?
It must meet minimum size requirements (typically about 5.7 sq ft of opening, with minimum width and height) and a maximum sill height so a person can climb out, plus a window well large enough to exit if it's below grade.
Does an egress window add home value?
Yes — it makes a basement bedroom legal and livable, which can add significant usable square footage and resale value. It's often a required step when finishing a basement to add a bedroom.
Can I install an egress window myself?
Cutting a foundation wall, sizing to code, and waterproofing the well are high-risk DIY — mistakes cause leaks or structural issues. Most homeowners hire a pro, especially for poured-concrete foundations.

How we estimate: ranges reflect typical U.S. pricing for materials and professional installation, compiled and cross-checked against the current (2026) industry sources listed below (see our data & methodology). Your actual cost depends on your location, project size, material grade, and local labor rates — always get multiple written quotes before you commit.

Sources

Cost ranges on this page were checked against current (2026) data from these industry sources:

  1. Egress Window Cost (2026) — HomeGuide
  2. How Much Does an Egress Window Cost? — Angi
  3. How Much Does an Egress Window Cost? — Bob Vila