Logo of Window Rank
Two workers in neon shirts installing an egress window in a basement foundation of a brick house.

Find the Best Egress Window Contractors for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Egress Window Contractors in Aurora, Colorado Ranked

Adding an egress window or replacing an existing one is a critical home improvement project that enhances safety, increases living space, and boosts property value. In Aurora, these installations are governed by specific building codes designed to provide a reliable emergency exit from below-grade spaces like basements. This guide explains the local requirements, process, and considerations for egress window work, helping you understand what's involved and how to connect with qualified local professionals for your project.

Understanding Egress Window Requirements in Aurora

An egress window is more than just a basement window; it is a legally defined emergency escape and rescue opening. In Aurora, these installations must comply with the Illinois Residential Code (IRC) and local amendments enforced by the City of Aurora Building & Construction department. The primary purpose is to provide a safe, unobstructed exit from sleeping rooms and habitable basements in case of fire or other emergencies.

For any basement room to be legally considered a bedroom, it must have a compliant egress window. If you have multiple sleeping rooms in a basement, each one requires its own dedicated egress opening 1. This is a non-negotiable safety standard that impacts your home's legality, insurance, and resale value.

Key Code Specifications for the Window Opening

The dimensions and operability of the window itself are strictly regulated. Here are the minimum requirements you must meet:

  • Minimum Clear Opening Area: The net clear opening must be at least 5.7 square feet (820 square inches). For windows at grade level (where the sill is at or near the ground outside), the minimum is slightly less at 5.0 square feet 2 3.
  • Minimum Clear Opening Height: The opening must be at least 24 inches high.
  • Minimum Clear Opening Width: The opening must be at least 20 inches wide.
  • Maximum Sill Height: The bottom of the clear opening cannot be more than 44 inches above the finished floor inside the room.
  • Operability: The window must be openable from the inside without the use of keys, tools, or special knowledge. It must remain in the open position without being held.

Essential Specifications for the Window Well

If the window is below grade, it requires a window well. This well must provide enough space for a person to climb out and for emergency responders to access the window.

  • Minimum Well Size: The well must have a minimum horizontal area of 9 square feet, with a minimum width and projection (distance from the foundation) of 36 inches 4 5.
  • Ladder or Steps: If the depth of the well exceeds 44 inches, a permanently attached ladder or steps are required. These steps cannot obstruct the required minimum clear opening area of the window 6 7.

The Permit Process in Aurora, IL

Virtually all egress window installations and major replacements in Aurora require a building permit. This process ensures the work is planned and executed to code, protecting your safety and your investment.

  1. Contact the City of Aurora: Your first step should be to visit the official City of Aurora website or contact the Building & Construction department directly. They can provide the most current application forms, checklists, and fee schedules.
  2. Prepare Documentation: You or your contractor will typically need to submit completed permit applications, site plans, and construction drawings. These drawings should detail the proposed window's specifications, dimensions, well design, and demonstrate compliance with all code requirements.
  3. Schedule Inspections: Once the permit is issued and work begins, the city will require inspections-likely at the rough-in stage and again upon completion-to verify the installation meets all safety codes 8.

Find the perfect egress window contractors for your needs

Get personalized recommendations and expert advice

Factors Influencing Your Egress Window Project

The scope and cost of an egress window project can vary widely based on several key factors. Understanding these will help you discuss your project more knowledgeably with installers.

  • Existing Foundation Conditions: Is the foundation poured concrete or concrete block? Cutting through a solid concrete wall is a more intensive process than modifying block.
  • Excavation Needs: Creating a window well requires excavation. The depth, soil conditions, and proximity to utilities will affect the complexity and price.
  • Window Type and Material: The style of window (e.g., casement, slider) and its material (vinyl, wood, fiberglass) are significant cost factors. The window must be rated for egress and meet the dimensional codes.
  • Interior Finishing: Don't forget the interior work. This includes refinishing the wall around the new window, repairing flooring, and potentially adding a window well cover.

Understanding Project Costs

While prices can vary significantly based on the factors above, it's helpful to understand the cost components. Your total project cost will generally include:

  • Permit Fees: In Aurora, permit fees for this type of work can range from approximately $50 to $500, depending on the project's valuation and scope 9 10 11.
  • Labor and Materials: This is the most variable cost. A straightforward replacement in an existing well may cost a few thousand dollars. A new installation requiring concrete cutting, excavation for a large well, and a permanent ladder will be a more significant investment, often ranging into the higher thousands. The window unit itself, the well kit (metal or composite), and any necessary drainage solutions are all part of this figure.

Choosing a Professional for Egress Work

Given the structural, safety, and legal implications, selecting the right contractor is crucial. Look for professionals with specific experience in egress window installations and a thorough understanding of Aurora's building codes. They should be willing and able to handle the permit process on your behalf. A reputable installer will assess your specific basement layout, discuss code-compliant options, and provide a detailed plan that includes all necessary excavation, construction, and finishing work.

Frequently asked questions

Sources

Footnotes

  1. Does An Egress Window Have To Be In The Basement Bedroom? - https://www.thegreategressco.com/blogs/egress-window-blog/does-an-egress-window-have-to-be-in-the-basement-bedroom

  2. Understanding Basement Egress Window Code in Illinois - Coohom - https://www.coohom.com/article/understanding-basement-egress-window-code-in-illinois

  3. Secondary Means of Escape Egress Windows - https://sfm.illinois.gov/content/dam/soi/en/web/sfm/sfmdocuments/documents/secondarymeansofescapeegresswindows.pdf

  4. IRC Codes In Illinois | IL Egress Window Requirements - https://windowwellexperts.com/irc-codes/illinois/

  5. Basement Egress Windows: Code Requirements & Options - https://window-gurus.com/blog/basement-egress-windows-safety-requirements-and-options/

  6. Illinois Egress Window Code - https://www.thegreategressco.com/pages/illinois-egress-requirements

  7. Egress Windows - Sizing and Requirements Explained! - https://www.buildingcode.blog/blog/egress-windows-sizing-and-requirements

  8. Building Codes | City of Aurora, IL - https://www.aurora.il.us/Property-and-Business/Development/Building-and-Construction/Building-Codes

  9. Egress Window Permits: A Contractor's Guide - https://www.permitflow.com/blog/egress-window-permit

  10. Egress Window Permit? Everything You Need to Know - https://brightideaegress.com/blogs/news/egress-window-permit

  11. Basement Egress Window: Costs, Installation & Requirements - https://brogawindows.com/blog/basement-egress-window-guide