Project Guide For Bay Windows

This guide is intended to provide you an overview of the permitting process for installing bay windows in your home.

Help Me Get Started . . .

Before you start your project, you need to know what regulations apply to your property and what factors may impact your project. You'll need to consider:

Historic Landmark Status

Any project that involves changes to the exterior of landmark structures or properties in historic landmark districts must be reviewed by Landmark Preservation staff before you begin. The appropriate zoning, building, curb cut, or revocable permits needed for the project will be issued only after design review has been completed and the project has been approved. To determine your property’s landmark status, use the DevelopDENVER tool to the right. Then, visit the Design Review web page for more information.


Zoning

Zoning establishes standards for things such as the size and location of structures and acceptable uses for your property. Before you begin construction, you need to be sure your project is in compliance with the Denver Zoning Code. Use the DevelopDENVER tool to the right to determine the zoning for your property. In the results, click on your zone district for descriptions and definitions; then, click on your neighborhood context for more information on zoning in your area.  

 

Building Code

Denver Building Code provides minimum standards for building in order to safeguard public safety, health and welfare. The permitting and inspection process ensures that all home projects meet these standards and that all dwellings are safe and habitable at the time of construction.

 

  • Landmark Certificate of Appropriateness - required if you live in a Landmark District or if you live in a Landmark designated structure.
  • Zoning Permit
  • #1R Construction Permit

For Landmark Certificate of Appropriateness:

If your property is historically designated or located in a historic district, you will need a design review of your project to obtain a Certificate of Appropriateness.  Visit the Design Review web page for more information.

 

For Zone Permit:

A scaled or fully dimensioned Site Plan showing the following:

  • Address
  • Location of all existing buildings (shed, garage, carport, patio, etc.)
  • Location of proposed project
  • Location and size of footprint of all existing and proposed structures in relation to property lines on the lot
  • Property lines and relation to streets and alleys
  • Elevations - depending upon scope of work
  • Primary street setbacks of adjacent properties if proposed project is to be located on the front side of the property
  • Base Plane Information:  Original grade spot elevations at intersection of side property lines at front setback  and spot grade elevations at rear corners of property if within 2 feet of bulk plane and / or height.

Simple Project - One story, more than 5' away from property lines - only need site plan

Medium Project - Exactly 5' from property line and height within 2 ' of the bulk plane - need Site Plan and Elevation Plans with base plane information for height and bulk

High Project - Less than 5' to property line and/or the peak is perpendicular to the side property line - need the following:

    • Site Plan with base plane information for height and bulk
    • Elevation plans with base plane information for height and bulk


NOTE:  An Improvement Location Certificate can be used in place of a site plan in most cases.

 

For Building Permit:

  • #1R Construction Permit - completed by Development Services staff
  • Framing Plan of wall in which Bay Window is installed showing size and spacing of studs, posts, beams and headers. 

 

NOTE:  Depending on the complexity of the project, the Development Services staff may need to request additional information.

   

For a Do-It-Yourself (DIY) Project:

  • Homeowners Exam for specific trade if completing the work yourself  (See DIY Projects for requirements and more information.)
  • Identification (i.e. Driver's License)

Estimate Fees

Zoning and Building permit fees are based on valuation of the work to be completed including the labor and materials. 

NOTE:  When a Same Day Review is required for the #1R Permit, a  "walk through" submittal fee of 20% of the valuation of the work to be completed with a $100.00 minimum will be charged in addition to building permit fees.

 

View the permit fee schedules  to estimate the fees required for your project. 

There is no fee for Landmark review.


Pay Fees

Fees can be paid in person at our office on the 2nd floor of the Wellington Webb Building or by mail:
Development Services
Wellington Webb Municipal Building
201 W. Colfax Ave., 2nd Floor
Denver, Colorado 80202
We accept Visa, MasterCard and Discover Card, cash and personal checks at our counter.

For Landmark Approval:

Submit a design review application to Landmark Preservation.  The approval typically takes one to three weeks. More complex projects or projects requiring Landmark Preservation Commission or Lower Downtown Design Review Board approval will take longer.

NOTE:  Obtain Landmark approval first before proceeding with other permits.

 

For Zoning and Building Permit:

Same Day Review - Present all construction documents at the Permit Service Counter for review by City staff. Once review has been completed and all documents approved, permits will be issued.

 

All approved construction set of documents, permits and inspector signature card are to be available on site upon request.

Typical  inspections for installation of bay windows include the following:

  • Exterior Sheathing
  • Frame
  • Roofing
  • Exterior Lath
  • Batt Insulation
  • Drywall
  • Final

 

NOTE:  The inspections listed above may vary depending on the complexity of your project. 

Who Will Be Doing the Work?

Decide whether you plan to complete the project yourself or hire a licensed contractor to complete the job for you.

Do It Yourself

Do-It-YourselfYou may need to pass a Home owners exam  to demonstrate proficiency in specific trades in order to get a permit to do the work yourself. 

You will also need to meet a set of requirements established by the Denver Building Code and the Building Department Policy ADMIN 131.3 governing homeowner completed work.  This policy can be found on our Building Codes, Forms and Policies page. 

Contractor

Contractors Use the Contractor license search to see if your contractor has obtained a contractor's license from the City and County of Denver. 

 

To view other considerations, see our Doing the Work Yourself page.

Home Projects

Every project is different.  Depending upon the complexity of your project, the permit requirements and inspection process may vary from the information presented in this guide.  If you have any questions, please contact us.

DevelopDENVER

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