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Colorado HOA ADU Rules: What Homeowners Should Know

Colorado’s ADU law changed the conversation for many HOA communities. The simple version: an HOA may have design review power, but in covered situations it should not be treated as an automatic ADU veto.

The Big Change

HB 24-1152 requires subject jurisdictions to allow one ADU with a single-unit detached dwelling where single-unit detached homes are allowed. It also limits the ability of common-interest communities to block ADUs outright in covered situations. Homeowners still need to verify how the law applies to their property.

What HOAs Can Still Review

HOAs may still review exterior design, siding, roof pitch, colors, landscaping, and other reasonable aesthetic standards. The practical question is whether a restriction preserves community standards or effectively makes the ADU impossible or unreasonably expensive.

What Homeowners Should Collect

Before approaching an HOA, gather your covenants, architectural guidelines, plat map, site photos, preliminary ADU type, and a short written project goal. This helps separate real design issues from general uncertainty.

Advisor Takeaway

Do not start with a fight. Start with eligibility, site fit, and documentation. Then decide whether the next conversation belongs with the HOA, city/county staff, a designer, or an attorney.

Start with the ADU quiz. It captures your property type, goals, budget range, and readiness questions so the next step is focused. Take the ADU readiness quiz.