Yahoo
Tagliatelle Bolognese - just okay
Sorbetto (complimentary)
Cauliflower Grilled
@eat_with_lily (food IG & tiktok)  Bufalina pasta
Fried Brussel Sprouts
Chopped Salad
Decor
Our dining room with green banquettes
Grilled Cauliflower with garlic, capers and Calabrian chili
Casaro Osteria Pizza ·$$

Ciao! Casaro Osteria is a neighborhood Italian osteria on Union Street in the Marina, serving house-made pasta, Pizza Napoletana, Italian wine and creative cocktails with warm, heartfelt hospitality. Guest favorites include Cacio e Pepe al Tartufo with black truffle, Rigatoni alla Vodka with stracciatella, Chicken Parmesan, crispy Arancini and Frittura Mista, and wood-fired pizzas like the Margherita, Diavola with 'nduja and Funghi & Salsiccia. Happy Hour: Monday, Thursday and Friday, 12-4 PM. Enjoy aperitivo-style bites, 9" pizzas, pasta and Happy Hour pricing on cocktails, wine and beer. The full menu is available too. Dine-in only. Sit in our colorful dining room, outside on Union Street, or on the back patio. Reserve on Resy (link on our website) for parties of up to 13; walk-ins are warmly welcome. Gluten-free pasta is available, and vegetarian, vegan and dairy-free options can be accommodated. Celebrating? We host birthdays, family dinners and company events, from 25 guests indoors to full buyouts for up to 80. Craving Casaro at home? Order pickup or delivery. Find us online: reserve a table on Resy, order pickup at casaroosteria.com or delivery on DoorDash and Uber Eats, buy gift cards at casaroosteria.com, and follow @casaro_osteria on Instagram.

Website: casaroosteria.com

Phone: (415) 374-7788

Cross Streets: Between Webster St and Fillmore St

Open now

  • Wed 5:00 PM - 9:45 PM

2136 Union St San Francisco, CA 94123 ·2345.74 mi

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Amenities

  • Accessible
  • Smoke-free
  • Family friendly

Reviews

yelp
4.0 393 reviews
5 star
235 4 star
87 3 star
27 2 star
19 1 star
25
Bret T. 09/22/26

Nice spot, ate late night on a Monday night, kind of quiet. Server was nice. Pizza could've used a little more seasoning, Cacio di Pepe pasta was good. Meatballs need to be hotter. Chopped salad...

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Connie T. 08/10/26

This is a go-to spot in the Marina for some sit-down dinner with friends or family. Service is attentive, fun, and sweet. They have a lot of indoor and outdoor seating but it is recommended for...

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Marco D. 09/07/26

I am extremely disappointed by how my friend and I were treated here on Labor Day. We arrived for a late lunch around 3:00 p.m. with my friend's service dog, which he requires because of a medical...

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Jenna B. 06/08/26

Unfortunately, we were very disappointed with our dinner at Casaro Osteria. The fried zucchini flowers came out soggy rather than light and crisp. The pizza was also soggy, and when we raised it...

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Michelle K. 08/21/26

How have I never rated this place before?! aside from the long way occasionally definitely one of my favorite Italian spots. The drinks are really good. The lemon cellos are delicious especially!...

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