The 5 Best Car Washes in Longmont, CO
Part of the Boulder, CO car wash market.
Data updated · May 22, 2026
Ranked by Google review rating across 15 car washes identified by WashIndex's LLM classifier in Longmont, CO, with each location requiring at least 30 customer reviews to qualify (so small-sample outliers don't surface).
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Premier Touch Detailing
41 3rd Ave, Longmont, CO 80501
5.081 reviewsDetail Shop $69K AGI ZIP - 🥈2
Max’s Mobile Detailing LLC
803 Bittersweet Ln, Longmont, CO 80503
5.065 reviewsDetail Shop $147K AGI ZIP - 🥉3
Golden Shine Auto Spa LLC
1307 Carnation Cir, Longmont, CO 80503
5.044 reviewsDetail Shop $147K AGI ZIP - 4
Grizzly Mobile Detailing LLC
1830 Delaware Pl Unit 7, Longmont, CO 80501
4.9100 reviewsDetail Shop $69K AGI ZIP - 5
ATR Automotive Detail - Above The Rest
230 S Main St Unit C, Longmont, CO 80501
4.954 reviewsDetail Shop $69K AGI ZIP
About Longmont, CO
What is the best-rated car wash in Longmont, CO?
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What are the top 5 car washes in Longmont, CO?
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How is the "best" car wash determined in this list?
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About this ranking
Ranked by Google review rating across LLM-classified car washes in Longmont, CO. Locations with fewer than 30 reviews are excluded to keep small-sample noise out of the ranking. Ties broken by review count. Dealerships, gas stations, and other auto-related businesses that don't primarily operate a car wash are excluded from the pool at the data-prep stage.
See the full Longmont, CO car wash market analysis for every car wash in the city, format mix, operator dominance, ZIP/income breakdown, and more — or our full methodology for the underlying data pipeline.