Guanaco logo
Guanacos eat gluten-free
CleanPlate
Mastro's Steakhouse
96GF
Directions
Steakhouse·Tenderloin, San Francisco

Mastro's Steakhouse

Excellenthigh confidence

Clear gluten-sensitive menu with many options and consistently knowledgeable staff; recent reviews from celiac diners are strongly positive.

Gluten-Free Offerings

0GF Score
Cross-Contamination
Medium

Shared prep surfaces or fryer. Confirm practices on arrival.

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
Ample options
GF Sentiment
Mostly positive
Reviews

No verified reviews yet.

Logistics
Address
399 Geary St, San Francisco, CA 94102, USA