Building Codes

2023 National Electrical Code or current version adopted by the State of Colorado

2021 International Building Code (IBC)

2021 International Existing Building Code (IEBC)

2021 International Plumbing Code (IPC)

2021 International Mechanical Code (IMC)

2021 International Residential Code (IRC)

2021 International Fuel Gas Code (IFGC)

2021 International Fire Code (IFC)

2021 International Energy Conservation Code (IECC)

2022 Denver Building and Fire Code (DBC or DBCA)

Reference standards per 2021 ICC codes

2022 Denver Green Code (Limited Mandatory Use)

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Zoning Codes

Denver Zoning Code (DZC)

Former Chapter 59 Zoning Code (FC 59)

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Building and Fire Code PoliciesFor clarity on code requirements, Denver periodically releases building code policies that provide detailed descriptions of how to handle certain situations that are not clearly addressed within current codes.

Go to www.denvergov.org/BuildingCode to view building code policies and find the entire text of the 2022 DBC.

Go to www.denvergov.org/fire and open the “Fire Safety Downloads” drop-down menu to view fire code policies.

In Denver, Colorado, there are certain projects that do not require a permit. Here are some examples:

1. Re-Roofs: If you’re replacing your roof without structural changes or alterations, you typically won’t need a permit.
2. Minor Electrical Work: Small electrical repairs or replacements, such as changing light fixtures or outlets, usually don’t require a permit.
3. Like-for-Like Mechanical or Plumbing Replacement: If you’re replacing mechanical or plumbing components (e.g., water heaters, furnaces) with similar equipment, it often falls under the category of quick permits and doesn’t need a full review.
4. Interior Remodels: Cosmetic changes like painting, flooring, or minor interior alterations (e.g., changing cabinets, countertops) generally don’t require permits.
5. Windows and Doors: Replacing windows or doors without altering the structural opening typically doesn’t need a permit.
6. Decks and Detached Storage: Constructing small decks or adding detached storage sheds (within certain size limits) may not require permits.

Remember that while these projects may not need permits, it’s essential to verify with the City and County of Denver’s Plan Review, Permits, and Inspections department to ensure compliance with local regulations. Always check for specific guidelines based on your project type!

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In Denver, Colorado, permits are required for various construction, alteration, or repair work on private property. Here are some common types of projects that universally require permits:

1. Alteration to Existing Floor Plan: If you’re making changes to the layout or structure of your existing building, such as removing walls or adding new rooms, you’ll likely need a permit.
2. Structural Changes: Any modifications to load-bearing walls, foundations, or structural components require permits.
3. Room Additions: Expanding your home by adding new rooms or extending existing ones typically necessitates permits.
4. New or Rerouted Ductwork: If you’re installing or modifying HVAC ducts, permits are necessary.
5. New or Relocated Electrical or Plumbing: Electrical and plumbing work, whether new installations or relocations, requires permits.

Keep in mind that forgetting or not knowing about a permit won’t be a valid excuse if you proceed without proper permissions.

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