Logo of Window Rank
Hero background

Find the Best Egress Window Replacement & Installation for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Top Egress Window Replacement & Installation in Colton, California Ranked

Adding an egress window to your Colton home is a significant project that enhances safety, livability, and property value. These specially designed emergency escape and rescue openings are legally required for any bedroom or habitable space in a basement. This guide will help you understand the specific codes, costs, and process for installing a compliant egress window in Colton, empowering you to make informed decisions when connecting with qualified local professionals.

Understanding Egress Window Requirements in California

An egress window is not just any window; it's a life-saving feature mandated by the California Building Code (CBC) and the International Residential Code (IRC). Its primary purpose is to provide a clear, operable exit for occupants and an accessible entry for firefighters during an emergency. In Colton, as throughout California, any room used for sleeping-whether on the ground floor or in a finished basement-must have at least one compliant egress opening1 2. This requirement applies to new construction and any renovation that converts a non-habitable space (like a storage area) into a bedroom or living space. Installing a proper emergency escape window is a critical step in creating a safe, legal, and comfortable living environment.

Colton's Specific Code Compliance Checklist

Navigating local building codes is the most crucial part of any egress window project. The City of Colton enforces the California Building Code, which has precise dimensions and operational rules for these emergency openings1 3. Here are the key requirements you must meet:

  • Minimum Clear Opening: The net clear opening of the window must be at least 5.7 square feet. For grade-level openings or windows in a basement window well, the minimum is 5.0 square feet1 4 5.
  • Minimum Dimensions: The opening must be at least 24 inches high and 20 inches wide1 2. These are minimums; the opening must still achieve the required square footage.
  • Maximum Sill Height: The bottom of the clear opening cannot be more than 44 inches above the finished floor1 2. This ensures occupants, including children and elderly individuals, can easily climb out.
  • Operability: The window must open fully from the inside without the use of keys, tools, or special knowledge. The operation should be simple, like a sliding or casement window6 7.
  • Window Wells (for below-grade installations): If the window is in a basement, a window well is required. The well must have a minimum horizontal area of 9 square feet, with a minimum projection (distance from the foundation wall) of 36 inches4 8. This allows the window to open fully. If the well depth is greater than 44 inches, it must have a permanently attached ladder or steps for safe exit3 6.
  • Energy Code Compliance: All new window installations, including egress units, must also meet California's stringent energy efficiency standards (Title 24). This includes requirements for the window's U-factor and Solar Heat Gain Coefficient (SHGC)1 5.

The Colton Permit and Inspection Process

Skipping permits is not an option for an egress window installation, as it involves structural modification to your home's foundation. The City of Colton's Building and Safety Department oversees this process to ensure all work is safe and code-compliant1 9.

  1. Pre-Application Consultation: Before starting, it's wise to contact the Colton Building Department. They can confirm the specific local requirements, provide necessary forms, and clarify the current adopted code edition10 7.
  2. Permit Application: You or your contractor will need to apply for a building permit. If significant excavation is involved, a separate excavation permit may also be required. The application will require detailed information about the project1 9.
  3. Plan Submission: You must submit plans that detail the proposed work. These should show the size and location of the new window, the structural framing details, the design of any window well (including drainage), and specifications for the window unit that prove energy code compliance1 3.
  4. Inspections: Once the permit is issued, the city will require inspections at critical stages. Typical inspection points include the rough framing opening, the waterproofing and flashing before the window is sealed, and a final inspection to approve the completed installation10 9.

A Step-by-Step Look at Professional Installation

Retrofitting an egress window into an existing basement or foundation wall is a complex construction project best left to experienced professionals. Here's what a typical installation entails:

  1. Site Preparation & Excavation: The area outside the foundation is marked and excavated to create space for the window well. This step often involves heavy machinery and careful digging to avoid utility lines11 4.
  2. Cutting the Foundation: Using concrete saws and jackhammers, a precise opening is cut into the foundation wall. Temporary supports are installed to maintain the structural integrity of your home during this phase10 4.
  3. Framing the Rough Opening: The new concrete opening is framed with pressure-treated lumber or steel to create a stable, square rough opening for the window unit, integrating it with the home's structure.
  4. Installing the Window: The egress window unit-often a casement or sliding style that meets the clear opening requirements-is set into place, leveled, and securely fastened. Proper flashing and waterproofing are meticulously applied to prevent future leaks3 11.
  5. Constructing the Window Well: A prefabricated or masonry window well is installed in the excavated area. Proper drainage, such as gravel at the base, is crucial to prevent water accumulation6 8. If the well is deep, code-compliant steps or a ladder are installed.
  6. Finishing Work: The interior is finished with trim and drywall, and the exterior is sealed and graded to direct water away from the new well. The window is tested for smooth operation.

Find the perfect egress window replacement & installation for your needs

Get personalized recommendations and expert advice

Understanding the Investment: Egress Window Costs

The total cost for an egress window installation in Colton varies widely based on the complexity of the excavation, the type of foundation, the window unit selected, and local labor rates. It's important to view this as a multi-faceted investment in safety and property value.

  • Permit Fees: The City of Colton charges fees for building permits, which can range from a few hundred dollars depending on the project's valuation9.
  • Window Unit: The egress window itself can cost between $500 and $2,000 or more, depending on its size, material (vinyl, fiberglass, wood), energy efficiency rating, and style (e.g., casement vs. double-hung designed to meet egress)11 12.
  • Excavation: This is often a significant portion of the cost. Excavation can run $50 to $200 per cubic yard, with a typical window well project potentially costing between $150 and $600+ for the digging alone11 10.
  • Labor & Professional Installation: This is the most variable cost. It encompasses the skilled labor for cutting concrete, framing, installation, waterproofing, and finishing. Labor typically constitutes a large part of the total project budget.
  • Total Project Cost: For a full professional retrofit installation in Colton, homeowners can expect a total cost range of $2,000 to $10,000 or more per window12 13. Complex situations involving difficult soil, extensive drainage work, or complicated foundation types will be on the higher end of this spectrum.

Choosing the Right Window and Well

Not all windows qualify as egress. Common compliant styles include:

  • Casement Windows: These crank open fully, often providing a clear opening that meets or exceeds requirements.
  • Sliding Windows: Certain large sliding windows can provide the necessary clear opening when fully slid to one side.
  • Double-Hung Windows: Standard double-hungs rarely meet egress codes due to their opening limitations, but specially designed "egress double-hung" models are available.

For the window well, you can choose from galvanized steel, polymer, or masonry block. Polymer wells are popular for their durability, ease of installation, and aesthetic options. Proper drainage away from the foundation is non-negotiable for any well material.

Frequently asked questions

Sources

Footnotes

  1. WINDOW AND DOOR REPLACEMENTS - Colton, CA - https://www.coltonca.gov/DocumentCenter/View/2213 2 3 4 5 6 7 8 9

  2. residential egress windows emergency escape and rescue - https://www.riversideca.gov/cedd/sites/riversideca.gov.cedd/files/pdf/building/forms/Inspections_page_handouts/CALIFORNIA%20RESIDENTIAL%20CODE%20-%20RESIDENTIAL%20EGRESS%20WINDOWS%20EMERGENCY%20ESCAPE%20AND%20RESCUE%20OPENINGS.pdf 2 3

  3. Windows egress requirement - Citizenserve - https://www.citizenserve.com/Documents/202/Form%20B-015%20-%20Windows%20and%20doors%20replacement%20guidelines%20(New).pdf 2 3 4

  4. Egress Windows - Sizing and Requirements Explained! - https://www.buildingcode.blog/blog/egress-windows-sizing-and-requirements 2 3 4

  5. Residential Window Changeout and Emergency Escape ... - https://ocds.ocpublicworks.com/sites/ocpwocds/files/2023-01/2022%20Residential%20Window%20Changeout.pdf 2

  6. IRC Codes In California | CA Egress Window Requirements - https://windowwellexperts.com/irc-codes/california/ 2 3

  7. Egress Window Requirements | IRC Code for Fire Safety - https://www.egresswindows.com/its-the-law 2

  8. California Egress Window Requirements - Redi-Exit - https://www.redi-exit.com/pages/california-egress-window-requirements 2

  9. Basement Egress Window: Costs, Installation & Requirements - https://brogawindows.com/blog/basement-egress-window-guide 2 3 4

  10. Your Guide to Egress Window Requirements - https://supreme-window.com/2025/05/29/egress-window-requirements/ 2 3 4

  11. Egress Window Cost Guide: What You Need to Know for 2025 - Magic - https://www.magicwindow.ca/blog/egress-window-cost-guide-what-you-need-to-know-for-2025 2 3 4

  12. What's the Cost of a Basement Egress Window in 2025? - https://modernize.com/windows/types/egress-windows-cost 2

  13. Basement Egress Door: Homeowner's Guide for a Safer Home - Gehman Remodeling Design - https://www.gehmanremodeling.com/basement-egress-doors/