Utah egress window and window well pricing, basement bedroom code requirements, minimum sizes, drainage, covers, installation costs, and compliance.
Every basement bedroom in Utah needs an egress window. Period. It’s not optional, it’s not a suggestion, it’s building code. The reason is straightforward: in a fire, people sleeping in the basement need a way out that doesn’t involve the stairs.
Here’s exactly what the code requires and what it costs. If you are comparing window well pricing in Utah, most complete egress window projects land between $3,000 and $6,000 installed once the window, well, excavation, concrete cutting, drainage, cover, permit, and interior finish work are included.
Quick pricing shorthand:
Utah follows the International Residential Code (IRC) Section R310, with state amendments. The requirements apply to every sleeping room and habitable space in the basement.
“Net clear opening” means the actual space you can climb through when the window is fully open, not the window frame size, not the glass size. The opening when the window is operated at its widest.
A window with a 24” × 34.3” clear opening meets the 5.7 sq ft requirement (24 × 34.3 = 823 sq in ÷ 144 = 5.7 sq ft). But most contractors install windows larger than minimum, a 36” × 24” opening is more common and easier to escape through.
Don’t work: Fixed (non-opening) windows, awning windows that don’t open wide enough, or windows that require tools to open.
If the egress window is below grade (which it usually is in a basement), you need a window well.
Not explicitly required by code in all Utah jurisdictions, but strongly recommended:
The window well needs drainage to prevent water accumulation:
Water in a window well will eventually find its way into your basement. In Utah, spring snowmelt is the primary concern, proper drainage prevents seasonal flooding.
If a room has a closet and a door, appraisers and inspectors will assume it’s a bedroom, and it needs egress. Even if you call it a “bonus room” or “den” on your floor plan, if it looks like a bedroom and could be used as one, local inspectors may require egress.
Pro tip: If you don’t want to install an egress window, design the room without a closet and with a wider-than-standard doorway. This makes it clearly not a bedroom. But honestly, egress windows add light and value, they’re worth installing regardless.
Determine the window location from inside and outside. Avoid utility lines, structural elements, and landscaping features. Check for any underground utilities with a Blue Stakes call (811).
Dig the window well area from outside. In Utah’s clay-heavy soil in many areas, this requires heavy equipment for most jobs. Depth depends on your basement floor level relative to grade.
Concrete cutting with a diamond blade saw. This is loud, dusty, and requires professional equipment. The opening is cut slightly larger than the window frame to allow for installation and waterproofing.
Set the window frame, level, and seal. Waterproof membrane around the entire perimeter, this is where most DIY egress installs fail. Improper waterproofing leads to leaks within the first year.
Set the well (corrugated metal, prefabricated plastic, or poured concrete/stone). Backfill around the well, grade the surrounding soil away from the well, and install gravel drainage at the bottom.
Frame around the window opening, insulate, install interior trim, and drywall. Finish to match the rest of the basement.
Total timeline: 3-5 days for a complete egress window installation.
| Component | Cost Range |
|---|---|
| Egress window (window unit only) | $400-$1,200 |
| Concrete cutting | $500-$1,000 |
| Window well (material + install) | $500-$1,500 |
| Excavation | $300-$800 |
| Waterproofing | $200-$500 |
| Interior finishing (framing, drywall, trim) | $500-$1,000 |
| Well cover | $100-$400 |
| Permit | $100-$300 |
| Total installed | $3,000-$6,000 |
Costs vary based on:
The window frame might be 36”×24”, but the net clear opening when the window is operated is smaller. Always measure the actual escape opening.
The bottom of the egress opening must be within 44 inches of the finished floor. If your window is set in the top of the foundation wall and your floor is concrete, you may be fine. But if you add 2 inches of flooring, that sill height changes. Measure from the finished floor level, not the concrete.
A window well without drainage fills with water during rain or snowmelt. It’s a pool against your foundation wall. In Utah, this is especially critical during March-May snowmelt season.
Security-focused covers that lock from outside are dangerous. The whole point of egress is that someone inside can escape. Covers must be operable from inside without keys, tools, or special knowledge.
Cutting a foundation wall is structural work. Cut in the wrong place or without proper support, and you can compromise your foundation’s integrity. This is the one step that absolutely requires a professional.
Beyond meeting code, egress windows dramatically improve basement livability:
Many homeowners who install egress windows for code compliance say the improved light alone was worth the investment.
Utah’s frost line varies from 30-48 inches depending on location and elevation. Window well footings should extend below the frost line to prevent heaving.
Window well covers in Utah must handle significant snow loads. A cover rated for 200 lbs is minimum, consider 400 lb ratings for areas with heavy snowfall.
Egress windows are one of the most impactful upgrades you can make to a basement. They’re required for bedrooms, but the light and air they bring improve every room nearby.
Our team installs egress windows as part of complete basement finishes or as standalone projects. Request a free estimate or call 801-515-3473.