What Breckenridge's New ADU Rules Mean for Homeowners

A significant change to Breckenridge's housing regulations is giving some property owners more flexibility in how they use and improve their homes.

On July 28, 2026, the Breckenridge Town Council adopted Ordinance No. 7, Series 2026, changing the rules surrounding accessory dwelling units, commonly known as ADUs. The ordinance became effective September 1, 2026. One of the biggest changes for property owners is that a market-rate property may now be able to add an ADU without the ADU automatically being required to carry a workforce housing deed restriction, provided the project meets applicable Town requirements.

For current homeowners, second-home owners, and prospective buyers, this is a meaningful change. In a mountain market where homes often serve multiple purposes over time, from family gathering places and second homes to long-term residences, greater flexibility in how residential space can be used is an important part of property ownership.

A Breckenridge property currently for sale with a lock-off space, offering added flexibility for owners and guests. 
View 67 Cedar Green, MLS #S1069839
Photo: Zak Himmelman, Breckenridge Associates Real Estate

What Is an Accessory Dwelling Unit?

An accessory dwelling unit is an additional residential living space associated with a primary residence. Depending on the property and applicable regulations, an ADU might include:

• A separate apartment within a home
• Converted residential space
• Guest or extended-family living quarters that qualify as an ADU
• An accessory structure designed for residential use

In Breckenridge, creating an ADU previously generally came with a deed restriction requiring the unit to be occupied by a member of the local workforce. Town staff identified that requirement as one of the barriers discouraging property owners from creating new ADUs.

The newly adopted ordinance changes that.

What Changed?

Under the new rules, an ADU is no longer automatically required to carry a workforce housing deed restriction.

Property owners who create an ADU without requesting positive development points or certain other Town incentives may now be able to keep that unit unrestricted, provided the property and proposed improvements meet all other applicable Town requirements.

The key takeaway:

• A market-rate home can now add an ADU without the ADU automatically being deed-restricted.
• Property owners choosing this pathway must still meet applicable Town development and building requirements.
• Deed-restricted ADUs remain an option, and owners may receive positive development points or other applicable Town incentives for choosing that pathway.
• Workforce housing requirements still apply when an owner uses an incentive that requires a deed restriction.
• The previous Policy 51 ADU-specific size caps have also been removed, providing additional flexibility while proposed ADUs remain subject to other applicable development and building requirements.

Lock-off spaces, like this one at 67 Cedar Green, can provide additional living space and flexibility within a mountain home. View 67 Cedar Green, MLS #S1069839.
Photo: Zak Himmelman, Breckenridge Associates Real Estate

Why Is This Such a Significant Change?

For Breckenridge property owners, the importance of this change goes beyond housing terminology.

A deed restriction is recorded against a property and can establish long-term requirements for how a portion of that property is occupied and used. For owners who hold a mountain home for many years, pass it on to family, renovate it as their needs change, or eventually sell, taking on a permanent restriction can be a significant consideration.

By removing the automatic deed-restriction requirement for certain ADUs, the Town has reduced one of the hurdles property owners previously had to consider when evaluating additional living space.

For homeowners, that additional space could potentially support:

• Extended family or multigenerational living
• A private space for guests
• Long-term housing
• Changing household needs over time
• Greater flexibility in how a mountain home is used

For prospective buyers, ADU potential may also become another consideration when comparing Breckenridge properties and thinking about how a home could serve them now and in the future.

Why Did Breckenridge Make the Change?

The Town has been evaluating ways to encourage the creation of additional ADUs while reducing barriers for homeowners.

Relatively few new ADUs were created under the previous framework, and Town staff identified the mandatory deed restriction as a significant obstacle. Property owners could be hesitant to place a long-term restriction on their property, even when additional residential space made sense for their home.

Breckenridge's regulatory landscape has also changed since its previous ADU rules were adopted in 2021. The Town now has a separate short-term rental licensing system that regulates STR activity based on factors including location and licensing availability.

With that framework in place, the Town determined there was an opportunity to provide greater flexibility for ADUs while maintaining a separate pathway for deed-restricted workforce housing.

Breckenridge continues to evaluate housing regulations as the needs of the community and local property owners evolve.

Does This Mean an ADU Can Become a Short-Term Rental?

Not automatically.

This is an important distinction for both current and prospective property owners. Removing an ADU deed restriction does not remove Breckenridge's existing short-term rental regulations. Properties remain subject to the Town's current STR licensing requirements and applicable regulations based on the property's location and license type.

An unrestricted ADU and an unrestricted short-term rental license are not the same thing.

For anyone considering a property partly because of its ADU potential, both the ADU regulations and the property's specific short-term rental status should be evaluated separately.

What Else Is Changing?

The ordinance also updates several definitions within Breckenridge's Development Code.

The ordinance also simplifies how certain residential spaces are defined and evaluated. In particular, the Town has revised its ADU and kitchen-related definitions to reduce the emphasis on features such as secondary food-preparation areas when determining whether a space constitutes a separate dwelling unit.

The updated kitchen definition also provides greater flexibility for homes with more than one food-preparation area without automatically treating each space as a separate dwelling unit.

This can be particularly relevant in Breckenridge, where mountain homes may include:

• Guest quarters
• Secondary living areas
• Wet bars or additional food-preparation spaces
• Lock-off-style spaces
• Flexible areas designed for visiting family and friends

What Does This Mean for Breckenridge Homeowners and Buyers?

The new regulations create more flexibility, but they do not mean every Breckenridge property can automatically add or convert an ADU.

Before assuming an ADU is possible, property owners and buyers should consider factors such as:

• Zoning and existing development approvals
• Building and permitting requirements
• Property configuration
• HOA rules and restrictions
• Existing deed restrictions
• Short-term rental regulations, when applicable

Breckenridge’s updated ADU regulations may create new possibilities for how homeowners use and adapt their properties over time.

For homeowners considering a renovation, understanding the new rules early in the process can help identify potential opportunities.

For buyers, ADU potential may be worth discussing when evaluating a property, particularly if space for family, guests, or long-term occupancy is part of the ownership plan.

It may also be relevant when preparing a property for sale. Existing secondary living spaces and a property's potential for future adaptation can be valuable parts of the larger conversation about how a Breckenridge home fits today's buyers and their long-term goals.

Understanding the Opportunity

Breckenridge's July 2026 ordinance represents a meaningful shift in how the Town approaches accessory dwelling units. Rather than requiring a workforce housing deed restriction in most cases, the new framework provides property owners with greater choice while maintaining incentives for those who elect to create deed-restricted workforce housing.

For a community with a unique mix of full-time residents, second-home owners, investment properties, and multigenerational mountain homes, changes like this can have real implications for how properties are used and evaluated.

Every property is different, and owners should confirm the requirements for their specific home with the Town of Breckenridge before making development or renovation decisions.

Breckenridge Associates Real Estate will continue to follow local regulations and market changes that affect property ownership in Breckenridge and throughout Summit County, helping our clients understand not only what is changing, but what those changes could mean for their mountain home.