Hilton San Francisco Union Square
333 O'Farrell St, San Francisco, CA 94102, San Francisco, United States
4-star hotel
Guest rating: 4.2 / 5
Hilton San Francisco Union Square is a 4-star high-rise hotel occupying three towers in the Union Square neighborhood at 333 O’Farrell St. The property sits a short walk from Union Square itself (about 335 m) and about a 3-minute walk from a cable car stop, making it a practical base for exploring central San Francisco. Rooms are positioned as sophisticated and include flat-screen TVs and work desks, with Wi‑Fi available for a fee; select upgraded rooms add balconies and/or skyline views, and some include free Wi‑Fi, while suites add separate sitting areas. On-site dining spans a hip restaurant, a casual eatery, and a coffee shop, plus a sleek 46th-floor cocktail bar known for city views. Amenities include a fitness center and a courtyard with an outdoor pool and hot tub. Its central location also places it within reach of major sights such as SFMOMA (about 797 m), the Ferry Building (about 1.8 km), PIER 39 (about 2.6 km), Oracle Park (about 2.0 km), and Alcatraz Island ferries/area attractions (about 4.7 km).
Best for
This hotel is best for travelers who want a full-service, centrally located base near Union Square, with easy access to cable cars and downtown attractions like SFMOMA and the Ferry Building. It also suits guests who value on-site options—multiple dining venues, a 46th-floor cocktail bar with city views, and a pool/hot tub courtyard—without needing to leave the property.
Travel tips
If you plan to use historic transit, note the hotel is about a 3-minute walk from a cable car stop; it’s also an easy walk to Union Square (about 335 m). For conventions or events, Moscone Center is roughly a 12-minute walk from the hotel, which can save time versus rideshare during busy periods. If Wi‑Fi is important for your stay, consider confirming whether your room category includes it, as standard in-room Wi‑Fi is noted as fee-based while some upgraded rooms include free Wi‑Fi.
What guests say
Guests frequently highlight the hotel’s strong Union Square location and the convenience of being close to key San Francisco sights. Service is a recurring positive point, with staff described as friendly, welcoming, and helpful, including assistance with lost items. Cleanliness and sleep comfort (notably comfortable beds) are also commonly mentioned. On the downside, some guests note that certain rooms feel dated and that bathrooms can be small, and a few mention that food and beverage pricing can feel high.
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