Chain diligence

Why have Cobblestone Car Wash ratings been declining?

WashIndex's anomaly detection identifies a 0.38★ rating drop at Cobblestone Car Wash during 2026-01 to 2026-04, with complaints clustering around [object Object], [object Object], [object Object], [object Object], [object Object].

Written by Justin Kuo (Founder, Sparkle Technologies)

Direct answer

WashIndex's anomaly detection identifies a 0.38★ rating drop at Cobblestone Car Wash during 2026-01 to 2026-04, with complaints clustering around [object Object], [object Object], [object Object], [object Object], [object Object].

Cobblestone Car Wash's trajectory in the WashIndex dataset

WashIndex's anomaly detection flagged a sustained rating drop at Cobblestone Car Wash during 2026-01 to 2026-04. The rolling average moved from 4.04★ down to 3.65★ — a 0.38★ decline over the detected window.

Complaint clusters driving the decline

The decline traces to [object Object], [object Object], [object Object], [object Object], [object Object] — the lines on the P&L that an operating turnaround would have to address.

Per-location concentration

The decline concentrates around Meridian, Henderson, Phoenix, with location-specific operational signals worth examining at the per-site level.

Context against the chain category

Peer-relative read: 4.09★ below the 4.4★ median; the decline takes the chain further from cohort norm.

Diligence next steps

Aspect-pillar breakdown: facility cleanliness is the strongest signal in the Cobblestone Car Wash review corpus; equipment reliability is the weakest.

Direction in recent quarters matters more than the historical drop. Pull the Cobblestone Car Wash chain profile for the freshest month-by-month rating curve and per-site breakdown.

Get the location-level Cobblestone Car Wash view

Cobblestone Car Wash's chain profile covers per-location ratings, monthly review velocity, aspect-pillar scoring, per-state breakdown, and trade-area competitor density.

Related questions

Cite this page

Data as of 2026-06-02. Pick a format and click Copy.

APA
WashIndex. (2026, June 2). Why have Cobblestone Car Wash ratings been declining?. https://washindex.com/q/why-have-cobblestone-car-wash-ratings-been-declining
Chicago
WashIndex. "Why have Cobblestone Car Wash ratings been declining?." WashIndex. Last modified June 2, 2026. https://washindex.com/q/why-have-cobblestone-car-wash-ratings-been-declining.
MLA
"Why have Cobblestone Car Wash ratings been declining?." WashIndex, Jun. 2, 2026, https://washindex.com/q/why-have-cobblestone-car-wash-ratings-been-declining.
BibTeX
@misc{washindex_q_why_have_cobblestone_car_wash_ratings_been_declining_2026,
  title  = {{Why have Cobblestone Car Wash ratings been declining?}},
  author = {{WashIndex}},
  year   = {2026},
  month  = {Jun},
  url    = {https://washindex.com/q/why-have-cobblestone-car-wash-ratings-been-declining},
  urldate = {2026-06-02},
}

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