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Denver Zoning Codes Explained: What You Can Build (2026)

Brian Lee BurkeBrian Lee Burke
Oct 14, 2023 • 2 min read
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Denver Zoning Codes Explained: What You Can Build (2026)

Before diving into the Denver zoning codes essential for home investors, it's crucial to emphasize the importance of conducting thorough due diligence when purchasing a property. This guide will provide an overview of popular Denver zoning codes to help you make informed decisions. Remember that zoning regulations can change, so always verify the latest information from official sources. Contact Kenna Real Estate Group with any questions, 303-955-4220 

Explore some of the zoning codes investors in homes should be aware of:

E-SU-DX (Single Unit - Detached Residential with Extra Flexibility)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 6,000 square feet.
  • Description: E-SU-DX zoning permits suburban-style houses, which often feature increased height at the rear of the property. This zoning may also accommodate group living arrangements and non-residential developments.

Ready to find your dream home in Colorado?
Let us help you. Call or Text Kenna Real Estate Group at 303-955-4220 to get personalized assistance from our expert real estate agents. Find out what your home is worth in today's market.

E-SU-D1 (Single Unit - Detached Residential with Accessory Dwelling Units)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 6,000 square feet.
  • Description: E-SU-D1 zoning allows accessory dwelling units, often called cottages, in the backyard, providing additional rental opportunities or guest housing.

U-SU-A (Single Unit - Detached Residential)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 3,000 square feet.
  • Description: U-SU-A zoning applies to single-unit detached residential properties with a minimum lot size requirement.

U-SU-A1 (Single Unit - Detached Residential with Accessory Dwelling Units)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 3,000 square feet.
  • Description: U-SU-A1 zoning permits accessory dwelling units, offering the opportunity to add cottages or secondary units.

U-SU-B1 (Single Unit - Detached Residential with Accessory Dwelling Units)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 4,500 square feet.
  • Description: U-SU-B1 zoning, like U-SU-A1, allows accessory dwelling units, providing additional rental income or space for guests.

Ready to find your dream home in Colorado?
Let us help you. Call or Text Kenna Real Estate Group at 303-955-4220 to get personalized assistance from our expert real estate agents. Find out what your home is worth in today's market.

U-SU-B (Single Unit - Detached Residential)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 4,500 square feet.
  • Description: U-SU-B zoning applies to single-unit detached residential properties with a minimum lot size requirement.

U-SU-C (Single Unit - Detached Residential)

  • Property Type: Single unit (can be used for living or rented to one party).
  • Minimum Lot Size: 5,500 square feet.
  • Description: U-SU-C zoning is designated for single-unit detached residential properties with a larger minimum lot size.

U-TU-B (Two Unit - Detached Residential)

  • Property Type: Two units (can be used for living or rented to two different parties).
  • Minimum Lot Size: 4,500 square feet.
  • Description: U-TU-B zoning allows for two residential units on the property, catering to multiple tenants or owners.

Ready to find your dream home in Colorado?
Let us help you. Call or Text Kenna Real Estate Group at 303-955-4220 to get personalized assistance from our expert real estate agents. Find out what your home is worth in today's market.

U-TU-B2 (Two Unit - Detached Residential with Row House Option)

  • Property Type: Two units (can be used for living or rented to two different parties).
  • Minimum Lot Size: 4,500 square feet.
  • Description: U-TU-B2 zoning permits two residential units and may allow for row houses, especially on corner lots.

U-TU-C (Two Unit - Detached Residential)

  • Property Type: Two units (can be used for living or rented to two different parties).
  • Minimum Lot Size: 5,500 square feet.
  • Description: U-TU-C zoning applies to properties with two residential units and a larger minimum lot size.

U-MX-3 (Urban Mixed-Use with Max Height of 3 Stories)

  • Property Type: Urban mixed-use (commercial but not residential; townhomes allowed).
  • Description: U-MX-3 zoning is ideal for urban developments with a maximum height limit of three stories. This zoning allows for commercial use and the construction of townhomes.

RES (Residential Zoning)

  • Description: The term "RES" indicates outdated zoning code, and it's crucial to consult current regulations for accurate information.

Ready to find your dream home in Colorado?
Let us help you. Call or Text Kenna Real Estate Group at 303-955-4220 to get personalized assistance from our expert real estate agents. Find out what your home is worth in today's market.

SFR (Single Family Residential)

  • Description: "SFR" denotes outdated zoning code, and verifying the latest zoning regulations is essential to ensure compliance.

Remember that zoning codes can change, so consult with local authorities or a real estate professional to stay up-to-date with the latest regulations. If you're seeking guidance or assistance in navigating Denver's real estate market, whether as a buyer, seller, or investor, don't hesitate to contact a knowledgeable real estate agent who can provide valuable support. We're here to help you make informed decisions and find the perfect investment opportunity.

Thank you for considering Kenna Real Estate Group 303-955-4220 as your investment partner!

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WRITTEN BY
Brian Lee Burke
Brian Lee Burke
Team Leader and Licensed Broker, REALTOR® since 2002, Author

Brian Lee Burke is the founder and team leader of Kenna Real Estate Group, a real estate team at Keller Williams DTC. A licensed REALTOR® since 2002, Brian helps Colorado buyers and sellers navigate residential real estate, new construction, pricing, and negotiation. He is also the author of The Real Estate Playbook and Mastering Real Estate: Your Guide to Becoming a Top Agent.

View Brian Lee Burke’s full profile.

WRITTEN BY
Brian Lee Burke
Brian Lee Burke
Team Leader and Licensed Broker, REALTOR® since 2002, Author

Brian Lee Burke is the founder and team leader of Kenna Real Estate Group, a real estate team at Keller Williams DTC. A licensed REALTOR® since 2002, Brian helps Colorado buyers and sellers navigate residential real estate, new construction, pricing, and negotiation. He is also the author of The Real Estate Playbook and Mastering Real Estate: Your Guide to Becoming a Top Agent.

View Brian Lee Burke’s full profile.

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