303 Demolition & Junk RemovalDemolition contractor in Boulder, CO

303 Demolition & Junk Removal is ranked #1 of 65 demolition contractors in Boulder by CR Score, with 65 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

303 Demolition & Junk Removal is open 7 days a week. Its listed hours are Monday to Saturday, open 24 hours; Sunday, 7 AM – 5 PM. On Saturdays it is open Open 24 hours, and on Sundays 7 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

Serves Boulder and 12 towns within 25 miles: Firestone, Frederick, Erie, Fort Lupton, Longmont, Lafayette, Brighton, Gunbarrel, Louisville, Berthoud, Johnstown and Milliken. The list is based on the business's location and the usual service radius for demolition. Confirm your address is covered when you call.

303 Demolition & Junk Removal has a rating of 5.0 from 130 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call 303 Demolition & Junk Removal on (720) 325-7332. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.