⚡ Windows & Doors · Portland, ME

How Much Does It Cost to Install an Egress Window in Portland, ME?

Local pricing for the Portland-South Portland metro area · Updated April 2026

Low End
$2,120
Basic install
Average Cost
$3,720
Most homeowners pay this
High End
$6,380
Complex install
$2,420
Labor (65%)
$1,300
Materials (35%)
2–4
Days to complete

Prices estimated using the NailThePrice Local Cost Model™ — national averages adjusted for Portland's labor rates, cost of living, and material pricing.

How Much Does Each Part of Egress window installation Cost?

The cost to install an egress window in Portland ranges from $2,120 to $6,380, with most homeowners paying around $3,720. Your actual cost depends on several factors specific to your home and the Portland-South Portland market.

🔌
Foundation Type (Concrete, Block)

Cutting through poured concrete requires a concrete saw and is more labor-intensive than cutting through concrete block, which is easier but dustier.

Window Well Size

Larger window wells (for deeper basements) need more excavation and a larger galvanized or composite well, adding material and labor costs.

📏
Excavation Needed

Exterior excavation with a mini-excavator is the largest cost component — accessibility, depth, and soil conditions significantly affect this cost.

🔧
Waterproofing

The new foundation opening must be waterproofed with membrane, drain tile, and proper grading to prevent water infiltration.

🏗️
Interior Finishing

After the window is installed, the interior needs framing, drywall, and trim to finish the window opening, adding $300–$800.

The Northeast tends to have higher labor costs, partly driven by stronger union presence and higher cost of living. Stricter building codes mean more inspection requirements — budget extra for permits.

📋

Permit Required in Portland

Budget $110–$440 for permits and inspections. Your contractor typically handles the permit process, but confirm this upfront.

How Does Portland's Climate Affect Egress window installation?

Energy-efficient windows with low-U values and triple-pane glass pay for themselves faster in cold climates. Proper insulation around frames is critical to prevent drafts and ice buildup.

Can You DIY Egress window installation or Should You Hire a Pro?

🚫 Not a DIY Project

This project requires a licensed professional in Portland. Attempting egress window installation without proper licensing can void insurance and create serious safety hazards.

How Can You Save Money on Egress window installation in Portland?

Get Free Quotes from Portland Pros

Compare prices from licensed, insured contractors in Portland-South Portland.

Get Free Quotes from Portland Pros →

Common Questions About Egress window installation in Portland

How much does it cost to install an egress window in Portland, ME?

The average cost to install an egress window in Portland ranges from $2,120 to $6,380, with most homeowners paying around $3,720. This estimate includes both labor ($2,420) and materials ($1,300). Costs in Portland are higher than the national average due to local cost of living and labor market conditions. Get multiple quotes from licensed Portland contractors to lock in the best price.

Is a permit required for egress window installation in Portland?

Yes, Portland typically requires a permit for egress window installation. Budget $110–$440 for permit fees and expect 1–2 weeks for approval. Your contractor typically handles the permit application. Working without a required permit can void warranties and create problems when selling your home.

How long does egress window installation take in Portland?

Most egress window installation projects in Portland take 2–4 days to complete. The timeline depends on project scope, contractor availability in the Portland-South Portland metro area, and seasonal demand. Scheduling during Portland's off-peak season (typically fall and winter) can reduce wait times and may lower costs.

Do I need an egress window in my basement?

Building code requires an egress window in any basement room used as a bedroom. The window must have a minimum opening of 5.7 sq ft, be no more than 44 inches from the floor, and open without tools. If you're finishing a basement bedroom, an egress window is not optional.

How long does egress window installation take?

Most egress window installations take 1–2 days. Day one involves exterior excavation, foundation cutting, and window well installation. Day two covers window installation and interior finishing. Weather can affect the timeline for exterior work.

What Do Other Projects Cost in Portland?

How Much Does Egress window installation Cost in Nearby Cities?

Install an Egress Window in Lewiston, ME — $3,320 Install an Egress Window in Bangor, ME — $3,240
Published March 2025 · Updated April 14, 2026 · Cost data based on local labor rates and market conditions in the Portland-South Portland metropolitan area.