Master Auto GlassAuto glass shop in Longmont, CO

Master Auto Glass is ranked #31 of 128 auto glass repair shops in Longmont by CR Score, with 56 out of 100 as of November 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.

Master Auto Glass is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Longmont and 11 towns within 25 miles: Firestone, Frederick, Berthoud, Johnstown, Milliken, Erie, Fort Lupton, Loveland, Gunbarrel, Lafayette and Brighton. The list is based on the business's location and the usual service radius for auto glass repair and replacement. Confirm your address is covered when you call.

Master Auto Glass has a rating of 4.5 from 63 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 Master Auto Glass on (970) 535-6303. The business is at 4155 Mulligan St, Longmont, CO 80504. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.