Egress Window Installation in Windsor, CO

Windsor is the fastest-growing town we serve by count: the Census Bureau put it at 32,722 people in April 2020 and estimated 41,734 by July 2024, an increase of roughly 28 percent in four years. Nearly all of that is new housing on poured foundations with big unfinished basements, which makes Windsor, house for house, one of the strongest egress markets in Northern Colorado. We install code-compliant egress windows there on the same published pricing as Fort Collins: a full install runs $3,800 to $7,000, well replacement $1,100 to $3,300, and a basement window swap in an existing opening $450 to $1,200, with a free on-site measure and a flat quote.

Two counties, one permit office

Windsor straddles the Larimer and Weld county line. Inside town limits that does not change who permits the work: the Town of Windsor issues building permits through Community Core, its online permit program, and the town adopted the 2024 I-Codes effective January 1, 2026. Outside town limits the county does, and the two counties are on different schedules: Larimer County’s 2024 codes took effect January 1, 2026, and Weld County’s take effect June 15, 2026. We check the parcel before we quote.

One Windsor rule is worth knowing if you bought new: the town says builders cannot include basement finishes with their master plans, so a basement finish is always its own permit. That is the permit that creates a legal bedroom. An egress opening cut without it is a hole with a window in it, which is exactly what the City of Fort Collins says in its own guide, and the same logic holds here. The basement bedroom conversion page covers the whole sequence; the permits and inspections page covers each office.

The Windsor basement, specifically

Walk an unfinished basement in a Windsor house built in the last decade and you will usually find the same setup: poured walls, one escape opening where the original plan required it, plumbing rough-ins for a future bath, and a lot of square footage. Builders size to the plan, not to your plans. Finishing that space into two bedrooms and a rec room means each sleeping room needs its own compliant opening: 5.7 square feet net clear, 24 inches high, 20 inches wide, sill within 44 inches of the floor, a 9 square foot well with 36 inches of projection, and a ladder or steps if the well is deeper than 44 inches. The full install is priced per opening, and two cut in one mobilization price meaningfully better than two separate projects.

The good news about cutting new poured walls: it is the most predictable version of the job. Modern concrete, a foundation drain to tie the well drainage into, and open lots that give the excavator clean access. The engineer’s letter we carry on every foundation opening, $300 to $700 at cost, is routine on a wall like that.

Settled backfill and expansive clay

Most of Windsor’s housing is young, which means the original backfill around the foundation is still settling. We routinely find grading that has sunk into a slope toward the house, and on this soil that matters more than it would elsewhere. The Colorado Geological Survey describes the Front Range’s expansive clay and bentonite as able to swell up to 20 percent by volume when wet and push with up to 30,000 pounds per square foot. A well sitting in a bowl of settled, wet clay is a well that heaves and floods. Every well we install or service in Windsor gets the surrounding grade checked and corrected, a gravel column underneath, and an outlet. The heaving well page explains what the soil does to a well that did not get that.

Radon-era finishing

Both Larimer and Weld counties are EPA radon Zone 1, the band where the predicted average indoor level is above the 4 pCi/L action level, and the state health department says roughly half of Colorado homes test above it. Most Windsor basement finishes now include a mitigation system. Egress and mitigation do not conflict; sequence both before drywall. If you are at the planning stage, cut the openings first.

Selling in Windsor? Count your bedrooms carefully

A town adding this many households turns over houses fast, and a lot of the inventory is listed with a bedroom in the basement. Appraisers working to Fannie Mae’s rules report below-grade rooms separately, and a buyer’s inspector will measure the window. If the room was finished by a previous owner without a permit, the current code applies to bringing it into compliance, and the failed inspection page walks through the check before you list.

Get a Windsor quote

Send the form with a photo of the wall or well and the address. Free on-site measure, flat quote, Town of Windsor permit handled and itemized at cost. We also cover Timnath, Greeley, Loveland, and everything in Fort Collins proper. The cutting and installs are performed by licensed, insured local crews.