Main Street Alley Closure Notice

Utility construction work will close through access of the alley behind 236 and 240 Main Street the week of June 15-19, 2026.

When: Monday, June 15-Friday, June 19
Where: Alley between 2nd and 3rd Avenues, behind 236 and 240 Main Street
Impact: No through access of alley, temporary water shut of Wednesday and/or Thursday night

Please note this work is weather dependent and subject to change.

See the map below. Questions? Please email sjparking@longmontcolorado.gov.

Map shows the intersection of Longmont's Main Street (running north to south) and 3rd Avenue (at the top of the map) and 2nd Avenue at the bottom of the map. The alley closure happens behind 236 and 240 Main Street, roughly in the middle of the block.