Pine Brook Hills Community Briefing: Commissioners Approve Accessory Dwelling Unit Code Amendment
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 Erie area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Assessor’s Office at (303) 441-2944 to verify eligibility and requirements.
Eligible participants include Boulder County residents with household incomes at or below 40% of Area Median Income (AMI). For a family of four, this is approximately $93,000 per year. Applications are processed on a first-come, first-served basis.
Frequently Asked Questions
Wildfire risk mapping conducted by Wildfire Partners shows that 29% of properties in the Erie area are within the wildland-urban interface. Free home assessments are available through the Wildfire Partners program, with rebates of up to $2,500 for mitigation improvements.
Water quality monitoring at 20 stations along Boulder Creek, St. Vrain Creek, and Left Hand Creek showed all parameters within acceptable ranges for 2025. The Assessor’s Office publishes quarterly water quality reports on the Boulder County website.
Timeline
Safety data from the Erie area shows 26 reported incidents in the past 12 months, a 29% change from the previous year. The Sheriff’s Office has increased patrols along Arapahoe Road and added community outreach programs in response to resident feedback.
Historical context: Boulder County was established in 1861 and covers 741 square miles of diverse terrain from the Great Plains to the Continental Divide. The county’s population of approximately 330,000 residents is served by 1899 county employees across 50 departments and offices.
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