Mastro's Steakhouse

Restaurant · Steakhouse & grillUnion Square

No dishes marked gluten free

80 dishesmenu read 9 Novmastrosrestaurants.com

Always confirm with staff

DirectionsWebsite
MoreClose
Call

This menu is shared by 2 venues and read once for all of them.

Badges show only what the menu states. Dashed “Likely …”: our guess from the ingredients. Anything else: not listed, so ask staff.

Social Hour

Mon–Fri 4:30–6pm, at the Bar and in the Lounge

Caviar

  • Siberian Osetra$75

    Potato chips, crème fraîche, chives

    Likely dairy. Dairy: Our guess from the ingredients (lists creme fraiche): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

Small Plates

  • Oysters on the Half Shell$9

    Likely shellfish. Shellfish: Our guess from the ingredients (lists oyster, oysters): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Oysters Rockefeller$12

    Likely shellfish. Shellfish: Our guess from the ingredients (lists oyster, oysters): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Shrimp Cocktail$14

    Likely shellfish. Shellfish: Our guess from the ingredients (lists shrimp): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Sautéed Shrimp$16

    Likely shellfish. Shellfish: Our guess from the ingredients (lists shrimp): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Fried Calamari & Cherry Peppers$10

    Likely shellfish. Shellfish: Our guess from the ingredients (lists calamari): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Bigeye Tuna Tartare$12

    Likely fish. Fish: Our guess from the ingredients (lists tuna): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Spicy Bigeye Tuna Roll$12

    Likely fish. Fish: Our guess from the ingredients (lists tuna): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Wagyu Beef Smash Sliders$12
  • Wagyu Meatballs with Melted Burrata Cheese$12

    Likely dairy. Dairy: Our guess from the ingredients (lists cheese, burrata): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Parmesan & Truffle French Fries$8

    Likely dairy. Dairy: Our guess from the ingredients (lists parmesan): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

Dinner Menu

Sun–Thu 5:00–9:00pm; Fri–Sat 5:00–10:00pm

Appetizers

  • Lobster Cocktail$50

    Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Chilled Red King Crab Legs

    Likely shellfish. Shellfish: Our guess from the ingredients (lists crab): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Jumbo Lump Crab Cakes$27

    Likely gluten. Gluten: Our guess from the ingredients (lists cake): likely contains gluten. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)Likely shellfish. Shellfish: Our guess from the ingredients (lists crab): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Roasted Garlic Jumbo Black Tiger Prawn$35

    Likely shellfish. Shellfish: Our guess from the ingredients (lists prawn): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Caviar
  • Sautéed Sea Scallops$36

    Likely shellfish. Shellfish: Our guess from the ingredients (lists scallop, scallops): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Fried Calamari$24

    Likely shellfish. Shellfish: Our guess from the ingredients (lists calamari): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Roasted Bone Marrow$31
  • Nueske's Maple Glazed Bacon Steak$32
  • A5 Wagyu Beef Carpaccio$50

Sushi Selections

  • Bigeye Tuna Tostada$25

    Likely fish. Fish: Our guess from the ingredients (lists tuna): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Crispy Garlic Bigeye Tuna Sashimi$30

    Likely fish. Fish: Our guess from the ingredients (lists tuna, sashimi): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Hamachi with Crispy Onions$28

    Likely fish. Fish: Our guess from the ingredients: likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Hamachi with Ponzu & Kaffir Lime$28
  • A5 Wagyu Beef Roll$39
  • Spiny Lobster Roll$36

    Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

Soups & Salads

  • Lobster Bisque$23

    Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster, bisque): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • French Onion Soup$19
  • Chopped Salad$17
  • Caesar Salad$17

    Likely egg. Egg: Our guess from the ingredients (lists caesar): likely contains egg. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Spicy Mambo Salad$17
  • Chopped Iceberg Wedge$20
  • Mastro's House Salad$25
  • Burrata with Heirloom Tomato & Fig$24

    Likely dairy. Dairy: Our guess from the ingredients (lists burrata): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

Steaks & Chops

  • Petite Filet 6oz$62
  • Filet 8oz$71
  • Filet 12oz$82
  • Bone-In Filet 14oz$90
  • New York Strip 16oz$81
  • Bone-In Kansas City Strip 18oz$87
  • Bone-In Ribeye 22oz$94
  • Dry Aged Bone-In Ribeye 23oz$98
  • Porterhouse 24oz$110
  • Rack of Lamb 22oz$90
  • Double Cut Pork Chop 16oz$54
  • Organic Lemon Pepper Chicken$40

Signature Butters 16

  • Black Truffle Butter$16

    Likely dairy. Dairy: Our guess from the ingredients (lists butter): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Bone Marrow Butter$16

    Likely dairy. Dairy: Our guess from the ingredients (lists butter): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Lemon Calabrese Butter$16

    Likely dairy. Dairy: Our guess from the ingredients (lists butter): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

American Wagyu – WinterFrost Halal

  • Filet 7oz$99
  • Boneless Ribeye 16oz$120

Australian Wagyu – Westholme Cross Cattle

  • Tomahawk Chop 32oz$215
  • Tomahawk Chop 40oz$275

Japanese A5 Wagyu – Miyazaki Prefecture

  • New York 8oz$175
  • New York 10oz$200

Seafood

  • Chilean Sea Bass$60

    Likely fish. Fish: Our guess from the ingredients: likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Norwegian Cold Water Salmon$46

    Likely fish. Fish: Our guess from the ingredients (lists salmon): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Bigeye Tuna Sashimi Style$53

    Likely fish. Fish: Our guess from the ingredients (lists tuna, sashimi): likely contains fish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Roasted Garlic Jumbo Black Tiger Prawns$105

    Likely shellfish. Shellfish: Our guess from the ingredients (lists prawn, prawns): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Herb Roasted Branzino$58
  • Red King Crab Legs

    Likely shellfish. Shellfish: Our guess from the ingredients (lists crab): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Twin Lobster Tails

    Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

Potatoes & Fresh Vegetables

  • Lobster Mashed Potatoes$50

    Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Scalloped Potatoes$23
  • Garlic Mashed Potatoes$16
  • 1 Lb Baked Potato$16
  • Twice Baked Potato$16
  • French-Fried Potatoes$19
  • Garlic Truffle Cauliflower$20
  • Rosemary Garlic Wild Mushrooms$19
  • White Cheddar Lobster Mac & Cheese$50

    Likely dairy. Dairy: Our guess from the ingredients (lists cheese, cheddar): likely contains dairy. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)Likely shellfish. Shellfish: Our guess from the ingredients (lists lobster): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Red King Crab & Truffle Gnocchi$45

    Likely gluten. Gluten: Our guess from the ingredients (lists gnocchi): likely contains gluten. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)Likely shellfish. Shellfish: Our guess from the ingredients (lists crab): likely contains shellfish. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Roasted Brussels Sprouts$16
  • Asparagus – Steamed or Sautéed$16
  • Corn – Creamed or Sautéed$16
  • Spinach – Creamed, Steamed or Sautéed$16
  • Green Beans with Sliced Almonds$16

    Contains nuts. Nuts: Venue says: contains nuts. Menu read 9 Nov 2026 (mastrosrestaurants.com)

  • Sautéed Broccolini$16
  • Mastro's Bread Service$6

    Likely gluten. Gluten: Our guess from the ingredients (lists bread): likely contains gluten. Not the venue's word, ask staff. Menu read 9 Nov 2026 (mastrosrestaurants.com)

What the menu saysPotatoes & Fresh Vegetables section states: "Proudly frying with Wagyu Beef Tallow" (applies to fried items on the dinner menu). No dietary codes, legend or allergen matrix printed on the menus.
  • Potatoes & Fresh Vegetables section states: "Proudly frying with Wagyu Beef Tallow" (applies to fried items on the dinner menu). No dietary codes, legend or allergen matrix printed on the menus.

Good to know

Restaurant

  • Wheelchair accessibleOpenStreetMap, read 28 Jul 2026. Evidence: wheelchair=yes
  • Vegetarian dishes (14)venue menu, read 11 Nov 2026. Evidence: 14 vegetarian dishes marked on the menu
  • Vegan dishes (10)venue menu, read 11 Nov 2026. Evidence: 10 vegan dishes marked on the menu

Not known yet: dog friendly, kid friendly, kids menu, outdoor seating, high chairs, takes bookings, byo, baby change. Ask the venue.

Facts

Facts
FactDetail
Address399 Geary Street, Union Square, 94102
AreaSan Francisco
KindRestaurant · Steakhouse & grill
Phone+1 415-363-9539
Websitemastrosrestaurants.com
Menu read9 Nov 2026 from mastrosrestaurants.com
Hours
  • Monday5pm–9pm
  • Tuesday5pm–9pm
  • Wednesday5pm–9pm
  • Thursday5pm–9pm
  • Friday5pm–10pm
  • Saturday5pm–10pm
  • Sunday5pm–9pm
MapOpen in Google Maps

What diners say

No diner ratings yet.

Ratings are diners’ own experience. They don’t make a dish safe; neither do we.

Where this comes from

Allergen answers come from the menu’s labels first, then the listed ingredients, then a model’s judgement checked when unsure. How allergen status is decided.

Questions about Mastro's Steakhouse

Does Mastro's Steakhouse have gluten-free options?

No dish is marked gluten free as served, from the menu read 9 Nov 2026. Each dish shows whether the venue labelled it or it was read from the ingredients.

Is Mastro's Steakhouse coeliac friendly?

The venue notes: “Potatoes & Fresh Vegetables section states: "Proudly frying with Wagyu Beef Tallow" (applies to fried items on the dinner menu).”. Eatcrush reads each venue’s own menu and says where every answer came from. It never calls a dish safe: kitchens share fryers, boards and flour, and menus change. If you have coeliac disease or an allergy, confirm with staff before you order.

When is Mastro's Steakhouse open?

Monday: 5pm–9pm. Tuesday: 5pm–9pm. Wednesday: 5pm–9pm. Thursday: 5pm–9pm. Friday: 5pm–10pm. Saturday: 5pm–10pm. Sunday: 5pm–9pm. Hours can change on public holidays; check with the venue.

Nearby