Egress windows are required for any legal basement bedroom on Long Island. Here's what they cost, what the NY code requirements are, and what the installation actually involves.
Egress Window Cost by Foundation Type
| Foundation Type | Cost per Window | Notes |
|---|---|---|
| Poured concrete (thin wall) | $3,500–$5,000 | Easier to cut, standard excavation |
| Poured concrete (thick wall) | $4,500–$6,000 | More cutting time, structural lintel |
| Concrete block (cinderblock) | $4,000–$6,500 | Block removal, new lintel required |
| Stone foundation | $5,000–$8,000 | Complex, requires mason assessment |
| Deep excavation (4+ ft) | +$1,000–$2,000 | Add to above for deep window wells |
New York Egress Window Code Requirements
Minimum net clear opening5.7 sq ft
Minimum clear height24 inches
Minimum clear width20 inches
Maximum sill height from floor44 inches
Window well required ifBelow grade
Permit requiredYes — Nassau & Suffolk
What's Included in Our Egress Window Price
✓Foundation wall opening cut
✓Structural steel lintel installation
✓Window well excavation
✓Waterproof fiberglass well liner
✓Drainage gravel bed
✓Egress-rated window unit
✓Interior drywall finishing
✓Permit application & filing
✓Building dept. inspection
✓Backfill & site cleanup
Our egress window installation page walks through the install itself, from the first cut to the final inspection.
Get a Free Egress Window Estimate
We assess your foundation type, depth requirements, and soil conditions before quoting. Every estimate is free and no obligation.
📞 (631) 625-8649