Places to staySan Francisco, CA
JW Marriott San Francisco Union Square
Luxurious Accommodations Indulge in the chic and modern furnishings of our air-conditioned rooms at JW Marriott San Francisco Union Square. Enjoy premium film channels on a large LDC TV, relax in a marble bathroom with plush guest robes, and savor a freshly brewed coffee from your in-room machine.
Dining and Entertainment Satisfy your cravings at Level III Restaurant with a delightful array of local and international cuisines. Unwind at Level III Bar with handcrafted cocktails, snacks, and a diverse selection of Northern California wines.
Convenient Location and Amenities Explore nearby attractions like Fisherman’s Wharf, Oracle Park, Chinatown, and Ghirardelli Square, all just minutes away. Stay active at our modern fitness center or seek assistance from our attentive 24-hour front desk staff.
Book your stay at JW Marriott San Francisco Union Square for an unforgettable experience in the heart of the city.
Most popular facilities
- Fitness facilities
- WiFi available
- Parking
- Non-smoking rooms
- Air conditioning
- Fitness center
- 24-hour front desk
- Restaurant
- Room service
- Heating
- Terrace
- Pets allowed
What we’d check for you here
- Whether the rate moves for your dates, and what it includes.
- Whether a room on a low floor, or two rooms together, is possible.
- What the property actually charges at the desk on top of the rate.
- Whether they can hold a late arrival, and until when.
House rules
- Check-in
- From 04:00 PM
- Check-out
- By 12:00 PM
Payment
Paid at the time of booking, not at the desk. The property may still take a card at check-in for incidentals — that is their own policy and separate from what you pay us.
The fine print
Please note: There is an extra parking charge for over-sized vehicles. Please contact the hotel for further details. Please note: There is an electric car charging station available on the property. Please Note: The breakfast package is only for two adults (max value $30 per person or $60 for 2 adults).Guests are required to show a photo ID and credit card upon check-in. Please note that all Special Requests are subject to availability and additional charges may apply. In the event of an early departure, the property will charge you the full amount for your stay. A deposit may be required at the property.
Questions about JW Marriott San Francisco Union Square
What time is check-in and check-out at JW Marriott San Francisco Union Square?
Check-in is from 04:00 PM. Check-out is by 12:00 PM. If you're arriving late, tell us and we'll ask the property to hold the room.
Does JW Marriott San Francisco Union Square allow pets?
The property lists pet-friendly facilities. Policies differ on size, number and fee, and those are set by the property rather than by us — say you're bringing a pet when you book and we'll confirm the terms before anything is charged.
Is there parking at JW Marriott San Francisco Union Square?
Parking is listed among the property's facilities. Whether it's free and whether a space can be reserved varies, so we check it against your dates rather than promise it here.
Is breakfast included at JW Marriott San Francisco Union Square?
Breakfast is offered at the property. Whether it's included depends on the rate — the board type is shown on each room once you put your dates in.
Does JW Marriott San Francisco Union Square have Wi-Fi?
Yes — internet access is listed among the property's facilities.
How do I book JW Marriott San Francisco Union Square?
Put your dates in above and book online. Rates are live from the property and include taxes and fees we can read; anything we can't price, we say so rather than guess.
Where is JW Marriott San Francisco Union Square?
515 Mason Street, San Francisco, CA.
Other places we book in San Francisco
Guest review categories are not on this page yet — the supplier gives an overall score but no breakdown, and we would rather show nothing than invent the bars. Call (888) 789-8585and we’ll read you what the property says.