An egress window in New Jersey costs $4,500 to $9,500 installed in 2026, including cutting the foundation, the window, the well, the drain and the permit. Call (201) 676-3099 or book a free estimate.
An egress window in New Jersey costs $4,500 to $9,500 installed in 2026, including cutting the foundation, the window, the well, the drain and the permit. Every basement bedroom needs one by code: an opening at least 5.7 square feet, at least 24 inches tall and 20 inches wide, with the sill no more than 44 inches off the floor, and a well big enough to climb out of. Without it, the room is storage, not a bedroom, no matter what the listing says.
Here are the exact rules, the prices, and what it does for your basement.
The rules a basement bedroom must meet
- Net clear opening of at least 5.7 square feet (5.0 square feet is allowed if the window is at grade level). That is the size of the hole when the window is open, not the glass size.
- Opening at least 24 inches high and at least 20 inches wide. Both, not either.
- Sill (the bottom of the opening) no more than 44 inches above the finished floor.
- Must open from the inside without keys, tools or special knowledge. No bars or grilles unless they release from inside.
- Window well at least 9 square feet of floor area, projecting at least 36 inches from the wall, with a permanent ladder or steps if the well is deeper than 44 inches.
- A cover is allowed if it lifts easily from inside without tools.
- The basement also needs a smoke alarm and a CO alarm, and the bedroom needs a closet only if your town requires it (most do not).
- The whole finished basement needs a permit and inspections: framing, electrical, plumbing if any, insulation, and final.
New Jersey 2026 prices
Poured concrete cuts faster than block. Block walls need the cores filled and a proper lintel. Very high water tables, a well next to a patio or driveway, or a finished basement that has to be opened up all push toward the top of the range.
| Job | Typical range |
|---|---|
| Egress window, cut through a poured or block foundation, with well and drain | $4,500 – $9,500 |
| Enlarge an existing basement window opening to egress size | $3,500 – $7,000 |
| Add: well cover (polycarbonate) | $250 – $800 |
| Add: ladder or steps in a deep well | $150 – $500 |
| Add: tie the well drain into the sump or footing drain | $400 – $1,200 |
| Add: engineer's letter if the cut is near a corner or under a beam | $500 – $1,200 |
| Permit and inspections (town dependent) | $150 – $600 |
| Glass-block or standard basement window replacement (not egress) | $495 – $1,500 |
What the job looks like
We mark the opening, protect the room with plastic and an air scrubber, and cut the foundation with a wet saw. The concrete slab of the well area is dug out to below the sill.
A steel or pressure-treated buck is set, the window installed and flashed, the well set on gravel with a drain, and the outside backfilled and graded away from the house.
Interior trim, insulation and drywall returns, well cover and ladder if needed, and the town's inspection.
Why it is worth it even without a bedroom
- It is the way out in a fire when the stairs are the way the fire came in. This is the whole point of the rule.
- It floods the basement with real daylight, which changes how the space feels more than anything else you can do down there.
- An appraiser can count a basement bedroom only if it has egress. One legal bedroom can add far more to the value than the window costs.
- It gives firefighters a way in.
- It makes a basement apartment or in-law suite possible where zoning allows it.
Common mistakes
- Buying a window by its frame size. The code measures the clear opening. A 'big' casement can qualify; a 'big' slider often does not because only half of it opens.
- Skipping the well drain. A well with no drain is a bathtub against your foundation.
- Cutting the foundation without a permit. The town finds it at sale, and an unpermitted cut in a structural wall is a real problem.
- Putting the well where the AC condenser, deck or gas meter is. Walk the outside first.
Questions people ask next
How much does an egress window cost in New Jersey?
$4,500 to $9,500 installed in 2026, including the foundation cut, window, well, drain and permit. Enlarging an existing opening is $3,500 to $7,000.
Is an egress window required for a basement bedroom in NJ?
Yes. Every sleeping room needs an emergency escape opening that meets the size rules: 5.7 square feet clear, 24 inches high, 20 inches wide, sill under 44 inches, with a compliant well.
Do I need a permit for an egress window?
Yes, in every New Jersey town. You are cutting a structural wall. The permit is $150 to $600 and we handle it and the inspections.
How long does it take to install an egress window?
One to three days. Poured foundations are faster; block walls, deep wells and finished basements take longer.
Can an egress window leak?
A properly flashed window with a drained, gravel-based well does not. Most leaks we see are wells with no drain or grading that sends water into the well. Both are avoidable.
Need egress window installation near you?
If you searched “egress window installation near me” anywhere in New Jersey, that's us. First Call Contracting is based in Paramus and sends its own licensed crew to all 21 counties — written price before work starts, no deposit, a real person on the phone 24/7.
Want a real bedroom downstairs?
Free visit, we check the wall, the outside and your town's rules, and give you one fixed price with the permit included.
Or call Alex direct: (201) 676-3099