Town Hall Address 432 5th Ave. Lyons, CO 80540 United States- Boulder County Website https://townoflyons.com Zoning 303-823-6622 Ext. 25 432 5th Ave. Lyons, CO 80540 United States Town Clerk 303-823-6622 Ext. 12 432 5th Ave. Lyons, CO 80540 United States Water 303-823-6622 Ext. 10 432 5th Ave. Lyons, CO 80540 United States Tax Collector 303-823-6622 Ext. 17 432 5th Ave. Lyons, CO 80540 United States Town Hall Hours Monday - Friday: 8:00 AM - 4:30 PM County Boulder