American Diner·Tenderloin, San Francisco
Mason Diner (Cafe Mason)
Excellentmedium confidence
Dedicated gluten-free menu and knowledgeable staff make this a solid choice for gluten-free diners, with several options and positive experiences reported.
Gluten-Free Offerings
0GF Score
Cross-Contamination
Unknown
Contamination risk level not yet assessed.
Staff Knowledge
High
Staff are knowledgeable and can guide GF diners confidently.
Illness Reports
None
No GF-related illness reports found in recent data.
GF Labeling
Clearly labeled
GF Options
Unknown
GF Sentiment
Mostly positive
Reviews
No verified reviews yet.
Moderate confidence — some signals are inferred. Confirm details directly with the restaurant.
Logistics
Address
320 Mason St, San Francisco, CA 94102, USA
Phone
(415) 544-0320