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.

For questions about this program, contact Maria Gonzalez at Assessor’s Office: (303) 441-8144 or email Assessor’s [email protected]. Office hours are Monday through Friday, 8:00 AM to 4:30 PM. Walk-in services are available at the Erie office without an appointment.

Public comment on this matter can be submitted through the Boulder County online portal, by email to Assessor’s Office, or in person at the next Board of County Commissioners meeting. Written comments received by 5:00 PM the day before the hearing will be included in the public record.

What You Need to Know

Water quality monitoring at 15 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.

The Assessor’s Office processed over 10,633 applications last year, with an average processing time of 14 business days. Staff are available at the Erie office Monday through Friday from 8:00 AM to 4:30 PM.