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Best Of · CA

The 3 Best Car Washes in Rancho Cucamonga, CA

The highest-rated car wash in Rancho Cucamonga, CA is 76 at 3.9★ across 123 Google reviews, followed by Los Osos Car Wash (3.8★) and Sunrise Center Coin Op Self Service Car Wash (2.9★). Rankings cover Rancho Cucamonga, CA car washes with at least 30 Google reviews.

Part of the Riverside-San Bernardino-Ontario, CA car wash market.

Data updated · May 20, 2026

One operator stands out among Rancho Cucamonga, CA's car washes. 76 carries 3.9★ across 123 Google reviews — a 1.00-star gap above the next ranked locations. The full Rancho Cucamonga market analysis at the bottom of the page shows where each ranked operator sits in the broader 11-location landscape.

  1. 🥇1

    76

    10075 Arrow Route, Rancho Cucamonga, CA 91730

    3.9
    123 reviews
    In-Bay Automatic Chain · 76 $72K AGI ZIP
  2. 🥈2

    Los Osos Car Wash

    10431 Alta Loma Dr, Rancho Cucamonga, CA 91737

    3.8
    465 reviews
    Full Service $119K AGI ZIP
  3. 🥉3

    Sunrise Center Coin Op Self Service Car Wash

    8615 Base Line Rd, Rancho Cucamonga, CA 91730

    2.9
    106 reviews
    Self-Serve Bay $72K AGI ZIP
Frequently Asked Questions

About Rancho Cucamonga, CA

What is the best-rated car wash in Rancho Cucamonga, CA?

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76 is the highest-rated car wash in Rancho Cucamonga, CA at 3.9★ across 123 Google reviews. The location is at 10075 Arrow Route, Rancho Cucamonga, CA 91730.

What are the top 3 car washes in Rancho Cucamonga, CA?

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Ranked by Google review rating (filtering to locations with at least 30 reviews): 1. 76 (3.9★, 123 reviews); 2. Los Osos Car Wash (3.8★, 465 reviews); 3. Sunrise Center Coin Op Self Service Car Wash (2.9★, 106 reviews).

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

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WashIndex ranks Rancho Cucamonga, CA 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

Ranked by Google review rating across 11 LLM-classified Rancho Cucamonga car washes; sites with fewer than 30 reviews are excluded. The clear leader at the top runs well above the next tier.

Full Rancho Cucamonga, CA market analysis is linked above — covers everything below the top tier, including format mix, ZIP-income overlay, and customer-experience signals across the 11-location market. Full Rancho Cucamonga, CA analysis › · Methodology ›

Drill into every Rancho Cucamonga car wash.

Drill into how 76 actually achieves its 3.9★ lead — aspect-level reads of staff, equipment, wash quality, and more on the WashIndex platform.

Launch the Platform See full Rancho Cucamonga market analysis