Egress Window Permits and Inspections in Northern Colorado

Every egress window in northern Colorado is permitted and inspected work, and every jurisdiction in our service area has its own office, fee table, and portal. We file for you, itemize the fee at cost, and meet the inspector. This page lays out who permits what, so you know which office your address answers to and what it will cost. Typical permit fees run $150 to $300 in Fort Collins and $150 to $600 elsewhere, plus the $300 to $700 Colorado engineer’s letter that Fort Collins requires on any foundation opening.

City of Fort Collins

Code in force. Fort Collins adopted the 2024 International Codes (IBC, IRC, IECC, IMC, IFGC, IPC, IEBC, IPMC, ISPSC) with local amendments. Permits submitted on or after April 1, 2026 are reviewed under them; the 2021 editions stay available for reference until October 1, 2026. Local design values: frost depth 30 inches, default residential ground snow load 35 psf.

What needs a permit. The city’s building permits page lists new window openings, “cut-ins for new windows or doors,” window replacements, and “full or partial finish of a residential basement.” The egress numbers themselves come from the residential code section everyone calls IRC R310. The 2024 edition renumbers the same requirements as Section R319; inspectors and older guides still call it R310.

The engineer’s letter. The city’s Emergency Escape and Rescue Windows guide: “For new or altered windows in foundation walls: submit a letter or drawings evaluated/designed and stamped by a Colorado Licensed Engineer.” For windows in load-bearing wood-framed walls, include the header size. This is the one document nobody in Fort Collins can skip, and it is on every quote at cost.

Fees. By project valuation (materials plus labor):

A basement finish permit is a flat $155 with no plan check fee, processed as a fast-track permit.

Portal and office. Permits are filed through the city’s Accela Citizen Access portal. Building Services is at 281 N. College Ave.

Licensing. All contractors working in the city must hold a City of Fort Collins contractor license, with exams on the current code year; owners working on their own single-family residence are exempt. The basement finish guide lists which license classes may finish basements. Colorado has no statewide general contractor license, only state-licensed plumbers and electricians, which is why “licensed” in this trade means the city license, and why we say licensed, insured local installers rather than quoting a number.

Inspections. On a basement finish: rough frame, electrical, plumbing, and mechanical (schedulable the same day), an insulation inspection before any drywall, then finals. The egress opening is inspected with the frame and at final.

Drainage submittal. The city’s drainage requirements for residential permits apply when a project adds more than 350 square feet of hard surface or substantially changes site grading; the site plan then shows flow arrows away from the building, downspout locations, and window well locations. A single egress well rarely triggers it, but a walkout with a large patio can.

Unincorporated Larimer County

Code in force. Larimer County adopted its 2024 building codes on September 22, 2025, effective January 1, 2026. The county’s structural design sheet for the 2024 IRC states: “Minimum frost depth is 30 inches below grade countywide,” with a 55 psf ground snow load and seismic design category B.

What needs a permit. The county lists renovations including basement finishes and room alterations as permitted work. Replacement of windows the same size or smaller than the existing window does not need a county permit; a new or enlarged opening does.

Portal, and a trap. The county’s online portal at onlineportal.larimer.org handles inspection scheduling and permit search, but the county states that residential and commercial permits cannot be applied for online and must be submitted on paper using the county’s forms; the portal takes only miscellaneous, utility, and solar permits. We hand-carry the residential application.

Fees. The county publishes its building permit fee schedule as a PDF; card payments carry a 2.99 percent convenience fee in office and 3.29 percent online. We quote the county fee from that schedule at cost.

The towns

Each town in our area runs or contracts its own building department, and the code editions, fee schedules, and portals differ. We confirm the jurisdiction from the address before filing, because Windsor and Berthoud each lie in both Larimer and Weld counties and Greeley is the Weld County seat.

Unincorporated Weld County addresses fall under Weld County’s own 2024 code adoption, which takes effect June 15, 2026. Town fee tables are not reproduced here because they change on their own schedules; the quote for your address carries the current fee for the office that will inspect it.

What we submit

1. Engineer’s letter or drawings, stamped by a Colorado licensed engineer, for the foundation opening.
2. Permit application with the scope, valuation, and window specification (net clear opening, operation type, U-factor 0.28 and SHGC 0.35 or better).
3. Site sketch showing the well, the ladder, the path to the public way, and drainage to the foundation drain where present.
4. Basement finish application and floor plan, if the opening is part of a bedroom conversion, with the escape opening labeled new or existing.

Then we schedule the inspections and meet the inspector.

Unpermitted work by a previous owner

The city’s basement finish guide says it directly: if you purchased a property with unpermitted work, they will work with you to permit it and bring the space into compliance without fines. The missing egress opening is usually the largest gap. The failed inspection page covers how that plays out on a sale.

What a permit does not guarantee

Approval, an inspection pass, or a bedroom count on an appraisal. All three belong to someone else. What a permit does is put the engineer, the inspector, and the code between you and the failure modes that cost real money on clay: an undersized header, a well with no drainage, a room that turns out not to be a bedroom when the buyer’s inspector arrives. Full job detail is on the egress window installation page and every fee is itemized on the pricing page. Send the form with your address and we will tell you which office it files with.