Lost Cat Bar & Bites
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(510) 681-2208 Plan Your Event

587 Post Street · Downtown San Francisco

A downtown SF bar made for private events.

A lively, locally-owned bar near Union Square — perfect for birthdays, mixers, and private celebrations for up to 75 guests.

Plan Your Event Call or Text Us

Opened in 2022 · Asian-inspired cocktails · Late night bites · Full buyout available

The front bar at Lost Cat
Front Bar
The semi-private back area at Lost Cat
Back Area
Downtown San Francisco✦ Up to 75 Guests✦ Locally Owned Since 2022✦ Full Venue Buyout Available✦ Birthdays & Mixers✦ Asian-Inspired Cocktails✦ Private Celebrations✦ Downtown San Francisco✦ Up to 75 Guests✦ Locally Owned Since 2022✦ Full Venue Buyout Available✦ Birthdays & Mixers✦ Asian-Inspired Cocktails✦ Private Celebrations✦
75 guestsFull venue buyout capacity
3 spacesMain dining, bar, semi-private back
Full barAsian-inspired cocktails & late night bites
Near Union Sq587 Post Street, SF

The Spaces

Flexible spaces for any type of event.

Reserve the semi-private back area for intimate gatherings, or take over the full venue for an exclusive private event.

Main dining area at Lost Cat with flexible seating

Main Space

Main Dining Area

Flexible seating designed for small to mid-size gatherings. Comfortably accommodates seated dinners or more casual group layouts depending on your event style.

  • Ideal for birthdays, team dinners, and structured celebrations
  • Customizable layout to fit your guest count
  • Built-in sound system for easy hosting
Semi-private back area at Lost Cat

Semi-Private

Back Area

A more intimate space that accommodates up to 20 guests seated or 30 standing. Ideal for smaller gatherings or private groups who want a dedicated area while still enjoying the energy of the venue.

  • Up to 20 seated or 30 standing
  • Dedicated space within the bar
  • Perfect for birthday parties and private groups
Full venue buyout at Lost Cat

Full Buyout

Full Venue Buyout

Make Lost Cat entirely yours. Exclusive access for up to 60 seated or 75 standing guests. The space can be tailored to fit your event style, from a seated dinner to a lively cocktail party.

  • Up to 60 seated or 75 standing
  • Exclusive private use of the entire venue
  • Outside catering welcome

Event Types

Designed for every type of gathering

Birthdays & Celebrations

Birthday parties and milestones with cocktails, music, and a lively atmosphere your guests will love.

Networking & Mixers

Events that feel social, engaging, and easy to host in a relaxed downtown setting near Union Square.

Engagement & Rehearsal

Engagement parties and rehearsal dinners with a fun, intimate vibe and flexible setup options.

Team Gatherings

Group dinners and team events that bring people together over great food, drinks, and conversation.

Gallery

Inside Lost Cat

Lost Cat front bar
Lost Cat interior
Lost Cat bar atmosphere
Lost Cat cocktails
Lost Cat back booth seating
Lost Cat bar area
Lost Cat back area
Lost Cat back area view 1
Lost Cat back area view 2
Cocktail pour at Lost Cat
Lost Cat drinks

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Reviews

What guests love about Lost Cat

Inside Lost Cat Bar
★★★★★

Wonderful Birthday Experience

It was my first time here and I had a wonderful experience. The staff are phenomenal — thank you for this wonderful birthday experience.

Lost Cat back area
★★★★★

Charming and Delightful

Overall, Lost Cat is a charming and delightful establishment. As soon as you step inside, you are greeted by a charming cat-themed ambiance.

Lost Cat bar
★★★★★

Dark, Intimate, and Cool

This bar rules. It's dark, intimate, and cool. Seriously snazzy little spot that doesn't go for the whole "classy speakeasy" vibe that so many places lean into.

Booking

How booking works

Tell us about your event

Submit your date, guest count, and vision using the inquiry form below.

Receive a custom proposal

We recommend spaces, menus, and pricing tailored to your specific event.

Celebrate with ease

Our team handles the details so you can focus on your guests.

FAQ

Frequently asked questions

How far in advance should I book an event?

We recommend booking at least 21 days in advance to secure your preferred date. Popular dates fill quickly, so earlier is always better.

Can I reserve the entire venue?

Yes. Full venue buyouts are available for private events with space for up to 75 standing guests or 60 seated guests.

Is outside food allowed?

Yes. Guests may order food from our kitchen or bring their own catering if preferred.

Is a deposit required?

A 20% non-refundable deposit is required to secure your event date.

What types of events does Lost Cat host?

We host birthdays, networking mixers, engagement parties, rehearsal dinners, team gatherings, and private celebrations of all kinds.

Where is Lost Cat located?

587 Post Street, San Francisco, CA 94102 — near Union Square, easily accessible by BART, Muni, and rideshare.

Get in Touch

Let’s plan your event.

Tell us a bit about your event and we’ll help you bring it together. Our team will respond quickly with availability and next steps.

Prefer to talk? Call or text us at (510) 681-2208 — or stop by at 587 Post Street, San Francisco.

Lost Cat Bar & Bites

587 Post Street
San Francisco, CA 94102

  • Spaces
  • Event Types
  • Gallery
  • FAQ
  • (510) 681-2208
  • Plan your event

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