Boulder County’s ADU rewrite

Boulder County is considering broader accessory-dwelling allowances under docket DC-26-0002. Status: Proposed amendment under review1 No adopted DC-26-0002 amendment found on official index

Reviewed

Timeline

Completed steps carry their dates. Hearing months are the county’s own estimates; exact dates, the draft code and adoption are not confirmed, and we show them that way until the county posts them.

  1. Commissioners authorize the rewrite

    March 24, 20262 Done.

  2. Commissioners’ work session

    May 5, 20262 Done.

  3. Draft code posted

    Being confirmed We have asked Boulder County Community Planning & Permitting. What this means

  4. Planning Commission hearing

    October 2026 estimated2 Estimated by the county; no confirmed date posted.

  5. Commissioners’ hearing

    November 2026 estimated2 Estimated by the county; no confirmed date posted.

  6. Exact hearing dates

    Being confirmed We have asked Boulder County Community Planning & Permitting. What this means

  7. Adoption and effective date

    Being confirmed We have asked Boulder County Community Planning & Permitting. What this means

Docket DC-26-0002. Status: Proposed amendment under review1 No adopted DC-26-0002 amendment found on official index

What the county allows today

Until a rewrite is adopted, the current code applies: Family care; agricultural; historic; disaster recovery3 No general-purpose ADU category in current section

The details, reviews and fees are on the unincorporated Boulder County page.

How to follow it

  • Read the docket page for the current status, meeting notices and any posted documents. It is the first source in the list below.
  • The Planning Commission and the Board of County Commissioners take public comment at their hearings. The county publishes how and when to submit written comment for each one.
  • Join the waitlist below: one email when the draft is posted and one after each hearing.

We describe the process and link the documents. We take no position on the outcome.

Sources

Every number above links to one of these. Official sources are the city, the county or the state; Observed sources are vendors’ own published prices. How we source and label facts.

  1. Boulder County bouldercounty.gov/property-and-land/land-use/planning/land-use-code-update/ Proposed Amendments Currently in Review Checked September 29, 2026.
  2. Boulder County bouldercounty.gov/property-and-land/land-use/planning/land-use-code-update/dc-26-0002/ Background; Past Public Meetings; Estimated Timeline Checked September 29, 2026.
  3. Boulder County assets.bouldercounty.gov/wp-content/uploads/2026/04/cpp-resolution-2026-011.pdf 4-516.H.1 Checked September 29, 2026.

Reviewed .

This page summarizes public rules for general information. It isn’t legal advice or a permit determination. Confirm requirements for your property with the City of Boulder or Boulder County before you design or build.