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  • John Larkin

Local Building Codes and Regulations for Commercial Projects in Colorado

Updated: Nov 28, 2023

Colorado, with its bustling urban centers and picturesque landscapes, is a prime location for commercial development. W

hether you're planning to build a skyscraper in Denver or a boutique hotel in Aspen, it's essential to be well-acquainted with the local building codes and regulations to ensure a smooth project journey. Let's delve into the specifics of Colorado's commercial building regulations.

1. Overview of Colorado's Building Codes

The state of Colorado does not have a statewide building code. Instead, it leaves the responsibility to local jurisdictions. This means that while some general trends can be identified across the state, there will be variations depending on the specific city or county.

However, many Colorado jurisdictions follow the International Building Code (IBC) as a baseline, often adopting its latest versions with local amendments. The IBC addresses commercial buildings and structures, covering aspects like fire safety, structural design, accessibility, energy efficiency, and more.

2. Accessibility and ADA Compliance

For commercial projects, it's essential to ensure that your structures are accessible to all, including those with disabilities. Colorado jurisdictions generally adopt the IBC's accessibility standards, which align with the federal Americans with Disabilities Act (ADA). Key considerations include:

  • Ramp gradients

  • Door widths and lever designs

  • Elevator access

  • Restroom configurations

3. Energy Efficiency

Colorado is known for its commitment to sustainability and energy efficiency. The Colorado Energy Office often encourages local jurisdictions to adopt the latest International Energy Conservation Code (IECC), aiming for enhanced energy performance in commercial projects.

4. Natural Hazards

Given Colorado's varied terrain, buil

ders need to be mindful of local geological, hydrological, and climatic conditions:

  • Seismic considerations: Parts of Colorado, especially the western regions, lie in seismic zones. Ensure your project adheres to seismic design criteria if you are building in these zones.

  • Snow loads: In high-altitude areas and mountainous regions, snow loads can significantly impact a building's design and structural considerations.

  • Flood zones: Proximity to water bodies or flood-prone areas will necessitate a review of the local Flood Insurance Rate Maps and potentially elevate structures.

5. Land Use and Zoning

Before commencing your project, familiarize yourself with the local land use and zoning codes. These codes can dictate:

  • The type of commercial activity allowed.

  • Building heights and setbacks.

  • Parking requirements.

  • Landscaping mandates.

Local planning departments can be invaluable resources in understanding these regulations.

6. Fire Safety

Most Colorado jurisdictions adopt the Intern

ational Fire Code (IFC) or a variant of it. Commercial projects must adhere to:

  • Fire-resistant material standards.

  • Adequate egress routes.

  • Sprinkler systems where mandated.

  • Alarm systems and emergency lighting.

7. Building Permitting Process

Every commercial project in Colorado will require some form of a building permit. The process typically involves:

  1. Pre-application meeting: A preliminary discussion with local officials about your project.

  2. Plan submission: Architectural, structural,

mechanical, and electrical plans are usually required.

  1. Review: Local authorities will review the plans for compliance.

  2. Issuance: Once approved, construction can begin. Periodic inspections will ensure ongoing compliance.


Building in Colorado presents exciting opportunities, but it's essential to be well-versed in local building codes and regulations to ensure project success. By keeping abreast of the latest standards and liaising closely with local authorities, developers can realize their vision while ensuring safety, sustainability, and community integration.

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