Commissioners Approve Accessory Dwelling Unit Code Amendment — Follow-Up Report

Commissioners Approve Accessory Dwelling Unit Code Amendment — Follow-Up Report

The Board of County Commissioners has approved amendments to the Boulder County Land Use Code to streamline the process for building Accessory Dwelling Units (ADUs) on residential properties in unincorporated areas. Changes include reduced setback requirements, simplified design standards, and by-right approval for units under 800 square feet.

Residents in the Niwot area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Resource Conservation at (303) 441-9985 to verify eligibility and requirements.

Affordable housing remains the top priority identified in the 2026 Community Survey. Boulder County’s Worthy Cause program has funded 1,897 affordable housing units since its inception, with 269 additional units in the development pipeline.

Community Impact

Water quality monitoring at 20 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2026. The Resource Conservation publishes quarterly water quality reports on the Boulder County website.

The application deadline is June 6, 2026. Late applications will be accepted on a space-available basis. Incomplete applications will be returned with a list of missing items. Average review time is 28 business days.

Next Steps

Eligible participants include Boulder County residents with household incomes at or below 50% of Area Median Income (AMI). For a family of four, this is approximately $81,000 per year. Applications are processed on a first-come, first-served basis.

Safety data from the Niwot area shows 33 reported incidents in the past 12 months, a 20% change from the previous year. The Sheriff’s Office has increased patrols along CO-72 Peak-to-Peak Highway and added community outreach programs in response to resident feedback.