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Best Of · CO

The 5 Best Car Washes in Longmont, CO

The highest-rated car wash in Longmont, CO is Breeze Thru Car Wash - Main St Longmont at 4.4★ across 688 Google reviews, followed by Conoco (4.2★) and Autowash @ Longmont Car Wash (4.1★). Rankings cover Longmont, CO car washes with at least 30 Google reviews.

Part of the Boulder, CO car wash market.

Data updated · May 22, 2026

Breeze Thru Car Wash - Main St Longmont leads Longmont, CO on customer rating with a clear margin. Breeze Thru Car Wash - Main St Longmont carries 4.4★ across 688 Google reviews — a 0.30-star gap above the next ranked locations. The full Longmont market analysis at the bottom of the page shows where each ranked operator sits in the broader 15-location landscape.

  1. 🥇1

    Breeze Thru Car Wash - Main St Longmont

    2025 Main St, Longmont, CO 80501

    4.4
    688 reviews
    Express Tunnel Chain · Breeze Thru Car Wash - Windsor $69K AGI ZIP
  2. 🥈2

    Conoco

    2250 Mountain View Ave, Longmont, CO 80501

    4.2
    99 reviews
    In-Bay Automatic Chain · Conoco $69K AGI ZIP
  3. 🥉3

    Autowash @ Longmont Car Wash

    1420 Main St, Longmont, CO 80501

    4.1
    279 reviews
    In-Bay Automatic Chain · Autowash Headquarters $69K AGI ZIP
  4. 4

    Freedom Auto Wash - Longmont South

    1151 Delaware Ave, Longmont, CO 80501

    4.1
    182 reviews
    In-Bay Automatic Chain · Freedom Auto Wash - Denver North $69K AGI ZIP
  5. 5

    Hover Car Wash

    2301 Wedgewood Ave, Longmont, CO 80503

    4.1
    52 reviews
    Self-Serve Bay $147K AGI ZIP
Frequently Asked Questions

About Longmont, CO

What is the best-rated car wash in Longmont, CO?

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Breeze Thru Car Wash - Main St Longmont is the highest-rated car wash in Longmont, CO at 4.4★ across 688 Google reviews. The location is at 2025 Main St, Longmont, CO 80501.

What are the top 5 car washes in Longmont, CO?

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Ranked by Google review rating (filtering to locations with at least 30 reviews): 1. Breeze Thru Car Wash - Main St Longmont (4.4★, 688 reviews); 2. Conoco (4.2★, 99 reviews); 3. Autowash @ Longmont Car Wash (4.1★, 279 reviews); 4. Freedom Auto Wash - Longmont South (4.1★, 182 reviews); 5. Hover Car Wash (4.1★, 52 reviews).

How is the "best" car wash determined in this list?

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WashIndex ranks Longmont, CO car washes by their Google review rating, restricted to locations with at least 30 customer reviews so that small-sample outliers don't surface. Where ratings tie, the location with more reviews wins. The pool is restricted to the LLM-classified car-wash formats that actually wash vehicles on site — Express Tunnel, Full Service, In-Bay Automatic, Self-Serve Bay and Hand Wash — so that detailing/tint shops, car dealerships and gas stations with attached washes don't crowd out the actual car-wash operators.

About this ranking

Ranking restricts to LLM-classified car wash formats with at least 30 Google reviews. Breeze Thru Car Wash - Main St Longmont's 0.30-star lead over the rest of the top 5 is large enough that small rating movements won't change the #1 position. Ties broken by review count.

Full Longmont, CO market analysis is linked above — covers everything below the top tier, including format mix, ZIP-income overlay, and customer-experience signals across the 15-location market. Full Longmont, CO analysis › · Methodology ›

Drill into every Longmont car wash.

Compare Breeze Thru Car Wash - Main St Longmont head-to-head with every other Longmont car wash on an interactive map — same review-derived signals, drive-time isochrones, and chain ownership overlays.

Launch the Platform See full Longmont market analysis