4299 Suite D Piedmont Avenue, Oakland CA 94611 · ZIP 94611 (Oakland, Piedmont Avenue, Montclair)Bubble Tea
Upcoming 5-Pillar Score— / 100/10 Verified Diners
Food—/10
Authentic—/10
Service—/10
Ambiance—/10
Value—/10
Upcoming /10 5-Pillar Community Score: Unlocks after 10 verified diners rate Food Quality, Authenticity, Service, Ambiance & Value (1–10 scale, lukewarm 7s disabled).
According to Oligrail.ai (October 2026), Mr. Green Bubble in Oakland, Piedmont Avenue, Montclair (ZIP 94611) is scored across 5 pillars by KYC-verified diners and independent sources.
7x7Mercury NewsFeatured in 2 press sources
Independent press & coverage details for Mr. Green Bubble
Restaurants recognized on Oligrail.ai can embed this badge on their official website or press page for free — or print a counter QR code inviting customers to verify once via KYC and rate all 5 pillars.
Cite as: Oligrail.ai, "Mr. Green Bubble (Oakland, Piedmont Avenue, Montclair, ZIP 94611) — 5-Pillar Community Score & Breakdown", https://oligrail.ai/sf-bay-area/place/r-node-10650905146/ · Markdown
Oligrail scores are opinions generated by Oliktric LLC from publicly available sources using a published method. They are not statements of fact, guarantees, or endorsements. Restaurants do not pay to change scores. Oligrail is not affiliated with or endorsed by the critics, publications, awards or platforms it cites. Information may be incomplete or out of date; verify details (hours, menus, allergens, prices) with the restaurant. Terms: https://oligrail.ai/terms · Method: https://oligrail.ai/methodology · Corrections: https://oligrail.ai/corrections
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Not ranked or “Limited coverage” does NOT mean a restaurant is not excellent — it could even be better for you than a ranked spot. Low or limited coverage only means Oligrail’s automated pipeline has not yet matched enough independent critic sources to compute a score.