Avg. for October
Select dates to see prices and availability
Avg. for October
Nightly prices at San Francisco Marriott Union Square average $223 in December, the cheapest month, and $504 in September, the most expensive, based on the last 12 months.
| Month | Average price |
|---|---|
| January | $353 |
| February | $494 |
| March | $416 |
| April | $282 |
| May | $296 |
| June | $391 |
| July | $228 |
| August | $287 |
| September | $504 |
| October | $343 |
| November | $294 |
| December | $223 |
Most expensive: September (~$504)
Cheapest: December (~$223)
Parking
Restaurant
Non-Smoking Rooms
Business Center
Dry Cleaning
Banquet Facilities
Union Square (0.1 miles)
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Grace Cathedral (0.4 miles)
Palace Hotel (0.4 miles)
555 California Street (0.5 miles)
16
Sleeps 4
570 ft²
7
Sleeps 3
285 ft²
14
Sleeps 3
280 ft²
23
Sleeps 3
280 ft²
9
Sleeps 4
280 ft²
11
Sleeps 4
280 ft²
6
Sleeps 4
463 ft²
10
Sleeps 4
280 ft²
5
Sleeps 3
285 ft²
7
Sleeps 4
280 ft²
8
Sleeps 3
463 ft²
9
Sleeps 3
280 ft²
5
Sleeps 4
285 ft²
17
Sleeps 3
450 ft²
6
Sleeps 4
285 ft²
21
Sleeps 4
452 ft²
5
Sleeps 3
285 ft²
6
Sleeps 3
463 ft²
5
Sleeps 4
463 ft²
5
Sleeps 3
285 ft²
7
Sleeps 3
463 ft²
Based on 1,001 verified reviews
AI-generated summary based on recent guest reviews
At San Francisco Marriott Union Square, travelers consistently praise the central Union Square location near cable cars, shops and dining, and the friendly, attentive staff, along with clean, comfortable rooms—often with impressive city or bay views.
Facilities
Cleanliness
Rooms
Service
Location
Dining
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Zengri
Sep 15, 2026
·
Stayed 5 nights
Ernest
Sep 13, 2026
·
Stayed 3 nights
Thidah
Aug 12, 2026
·
Stayed 2 nights
Subham
Jul 27, 2026
·
Stayed 2 nights
Andrew
Jul 19, 2026
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Stayed 3 nights
Everything you need to know for a smooth check-in.
Check-in
Check-out
From 16:00 to 00:00
Before 11:00
USD 250 per accommodation on arrival.
Additional policies and info about this property.
Additional paid services you can request.
Self parking is available on-site for a fee of USD 70.68 per day, which includes in/out privileges.
Pets are not allowed at the property, but service animals are exempt from this policy.
Check-in is from 16:00, and check-out is until 11:00. Early check-in and late check-out may be available for a fee, subject to availability.
The property has limited wheelchair accessibility, including accessible facilities in public areas and some rooms. Step-free entrances are available.
The hotel is located in Union Square, San Francisco, within a 5-minute drive of Lombard Street and Pier 39. It is approximately 2.9 miles from the University of San Francisco and 3.2 miles from the Palace of Fine Arts.
Children are allowed at the property, and there is no minimum age specified for children to stay for free.
Have a question?
Instant AI responses are based on hotel information
Over the next 60–90 days, room rates at the San Francisco Marriott Union Square in San Francisco typically land around $241 a night for two guests, ranging from $206 to $1,946 on peak dates.
September is the busiest month for demand at the San Francisco Marriott Union Square in San Francisco, while February is the quietest. Demand drops sharply after July, so late winter is your best bet for fewer crowds and easier availability.
December is the cheapest month to stay at the San Francisco Marriott Union Square in San Francisco, averaging $300 a night; February is the priciest at $619. December’s lower rates come even though February is the quietest month for crowds.
The San Francisco Marriott Union Square in San Francisco sits steps from Union Square, the San Francisco Museum of Modern Art and the Cable Car Museum, making it handy for shopping and sightseeing. The hotel’s location and amenities suit families and couples, and it also appeals to business travellers looking for convenient access to Moscone Convention Center.
The San Francisco Marriott Union Square in San Francisco is cheaper than 6 of 19 comparable hotels nearby, with a typical median of $322 a night versus about $256 for peers.
The current price at San Francisco Marriott Union Square in San Francisco is $459 per night for 2 guests, which is high for this hotel: about 20% above its $385 average over the last 60 days. Most nights over that period fell between $250 and $2,439.
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Cheaper
Pricier
Average nightly price across deals, with taxes & fees.
Prices in USD for 2 guests, updated daily.