San Francisco, California

Hotel Castro

A 12-room, tech-run micro-hotel built from scratch on 18th Street, at the heart of San Francisco's Castro.

Open · December 2021
Hotel Castro
See more photos →

Hotel Castro opened in the Castro district of San Francisco in December 2021, a brand-new four-story, 12-room building replacing a demolished 19th-century structure on 18th Street. It is run by Kasa Living under a tech-enabled, low-staff model (self check-in, no front desk, remote guest support) rather than as a conventionally staffed boutique hotel.

The essentials

Group
Independent, managed by Kasa Living
Opening
December 2021
Rooms & suites
12 rooms
Segment
Boutique
Designer
Cass Calder Smith Architecture
Entry rate
From $195
Learn more →

The place

Hotel Castro sits on 18th Street in the Castro, San Francisco's historic LGBTQ+ neighborhood, a few steps from the intersection with Castro Street and its rainbow crosswalks, bars and independent shops. The location is entirely walkable, with no on-site parking, within a short stroll of Dolores Park and the Castro Muni station.

The concept

Hotel Castro is not a converted storefront: the two-story building that previously stood at 4230 18th Street, most recently home to a sandwich shop, was demolished in 2019 after Planning Commission approval in 2018. In its place, developer Gannon Tidwell of Postcard Properties built a new four-story, 12-room structure from the ground up, designed by Cass Calder Smith Architecture, with a rooftop deck and private balconies on some rooms. Inside, each of the 12 compact rooms carries a mural honoring a historic LGBTQ+ figure, paired with a retro-1970s palette that nods to the neighborhood's history. The hotel is operated by Kasa Living under a tech-enabled, low-staff model rather than as a traditionally staffed boutique property: there is no manned front desk, check-in is self-service via a mobile app, and guest requests are handled remotely by a virtual guest-experience team.

Dining & wellness

The ground floor houses a bar that operates independently of Kasa's hotel operations rather than as an in-house hotel restaurant. Beyond that, Hotel Castro has no dedicated restaurant of its own; guests rely on the surrounding Castro's dense restaurant and bar scene for meals.

Are you the manager of this hotel? Click here to get in touch.

Other hotels in San Francisco

The Huntington Hotel

San Francisco, California

The Huntington Hotel

Nob Hill hotel reopened in March 2026 after six years closed, redesigned by Ken Fulk

Premium · 143 rooms

From $600

Open · March 2026
Timbri Hotel San Francisco, Curio Collection by Hilton

San Francisco, California

Timbri Hotel San Francisco, Curio Collection by Hilton

A greenhouse-inspired boutique hotel inside Bjarke Ingels' Serif tower, reflagged as Hilton's first San Francisco Curio.

Upscale / Lifestyle boutique · 236 rooms

From $100

Open · January 2025
Hotel Julian San Francisco

San Francisco, California

Hotel Julian San Francisco

A Hitchcock-linked Nob Hill address returns as the second Hotel Julian, renamed and reborn.

Upscale · 107 rooms

From $105

Open · October 2024
The Jay, Autograph Collection

San Francisco, California

The Jay, Autograph Collection

A 360-room Autograph Collection hotel in a Portman-designed brutalist tower in Jackson Square, reopened in November 2023 after a full renovation.

Upscale/Lifestyle · 360 rooms

From $230

Open · 2023
LUMA Hotel San Francisco

San Francisco, California

LUMA Hotel San Francisco

San Francisco's first ground-up hotel in over a decade, anchoring the new Mission Bay skyline.

Upscale / Lifestyle boutique · 299 rooms

From $270

Open · July 2022
Beacon Grand, A Union Square Hotel

San Francisco, California

Beacon Grand, A Union Square Hotel

A 1928 Union Square landmark drops its Kimpton-era flag and returns as an independent grande dame.

Luxury · 418 rooms

From $130

Open · June 2022
1 Hotel San Francisco

San Francisco, California

1 Hotel San Francisco

A waterfront Embarcadero landmark shed its old name for a greener, harbor-facing identity.

Luxury / lifestyle · 200 rooms

From $390

Open · June 2022
citizenM San Francisco Union Square

San Francisco, California

citizenM San Francisco Union Square

citizenM's first Bay Area hotel: a slim 12-story new build a block from Union Square.

Upscale / lifestyle · 195 rooms

From $110

Open · November 2021
The Clancy, Autograph Collection

San Francisco, California

The Clancy, Autograph Collection

A 410-room Marriott Courtyard was gutted and rebuilt as a street-art-driven Autograph Collection hotel in SoMa after a 19-month, $30 million conversion.

Upscale/Boutique · 410 rooms

From $190

Open · October 2020
San Francisco Proper Hotel

San Francisco, California

San Francisco Proper Hotel

A fire-damaged 1904 flatiron on Mid-Market's roughest corner, rebuilt into the room Kelly Wearstler wanted San Francisco to have all along.

Luxury lifestyle · 131 rooms

From $220

Open · September 2017
Learn more →