INN AT UNION SQUARE - San Francisco CA 440 Post St 94102

440 Post St., San Francisco, CA 94102 United States

View map

near Exit 2c b on I-80 (~1.0mi)

Near Union Square

9.2

Excellent

View all 1000 reviews

Call to book 1-800-219-2797

Group Sales: 1-800-906-2871

The Inn at Union Square offers a boutique experience with stylish guestrooms, complimentary continental breakfast, and a convenient location near popular attractions such as Union Square and Moscone Convention Center.

Ask AI any question

Free WiFi

View all amenities

View all 24 photos

Reviews

"Revue"

Great as always! Antonio was great at check in.

Russell H. (Individual traveler, booked 1 room)

Verified Review, stayed from Fri Jul 03 to Sun Jul 05 2026 at a $227.00 average nightly rate.

"Lovely Little Hotel"

The Inn is totally charming. It's old fashioned but has a great vibe. The room was well appointed, cozy and clean. Very friendly and accommodating staff. I would stay here again, for longer, in a heartbeat.

Douglas M. (Individual traveler, booked 1 room)

Verified Review, stayed from Thu Oct 23 to Fri Oct 24 2025 at a $170.05 average nightly rate.

"Great Stay"

Beautiful,clean boutique hotel. Friendly efficient staff. Convenient location.

Dawn I. (Individual traveler, booked 1 room)

Verified Review, stayed from Mon Sep 29 to Tue Sep 30 2025 at a $175.00 average nightly rate.

View all reviews

Property Description

With a stay at Inn At Union Square in San Francisco (Union Square), you'll be steps from Union Square and 13 minutes by foot from Moscone Convention Center. This boutique hotel is 0.6 mi (0.9 km) from San Francisco Museum of Modern Art and 1.5 mi (2.4 km) from San Francisco Bay.

Stay in one of 30 guestrooms featuring flat-screen televisions. Your pillowtop bed comes with premium bedding. Complimentary wireless internet access keeps you connected, and cable programming is available for your entertainment. Private bathrooms with showers feature designer toiletries and hair dryers.

Distances are displayed to the nearest 0.1 mile and kilometer.

Union Square - 0.1 mi
American Conservatory Theater - 0.1 mi
Theatre District - 0.1 mi
AfroSolo Arts Festival - 0.2 mi
San Francisco Asian-American Film Festival - 0.2 mi
Dragon Gate - 0.2 mi
Nob Hill - 0.2 mi
Market Street - 0.3 mi
Grace Cathedral - 0.3 mi
Lotta's Fountain - 0.3 mi
St. Mary Square - 0.3 mi
Old St. Mary's Cathedral - 0.3 mi
Westfield Shopping Center - 0.3 mi
555 California Street - 0.4 mi
San Francisco Fringe Festival - 0.4 mi
Cable Car Museum - 0.4 mi
Cartoon Art Museum - 0.5 mi
Chinatown - 0.5 mi
Civic Center - 0.5 mi
Chinese Hospital - 0.5 mi
Chinese Culture Center - 0.5 mi
Museum of Modern Art (MOMA) - 0.5 mi
Zeum Theatre - 0.5 mi
TransAmerica Pyramid - 0.6 mi
Yerba Buena Center for the Performing Arts - 0.6 mi
Moscone Convention Center - 0.6 mi
TransAmerica Redwood Forest - 0.6 mi
SoMa - 0.6 mi
San Francisco Federal Building - 0.6 mi
Embarcadero - 0.7 mi
San Francisco Jazz Festival - 0.7 mi
Asian Art Museum of San Fransisco - 0.7 mi
Orpheum Theatre - 0.7 mi
San Francisco City Hall - 0.9 mi
War Memorial Opera House - 0.9 mi
Laurel District - 0.9 mi
Washington Square - 0.9 mi
North Beach / Telegraph Hill - 0.9 mi
Cathedral of Saint Mary of the Assumption - 0.9 mi
Railway Museum - 0.9 mi

Featured amenities include a 24-hour front desk, an elevator, and a vending machine.

Make use of convenient amenities such as complimentary wireless internet access, a banquet hall, and a vending machine.

Inn at Union Square offers an intimate boutique hotel experience in one of San Francisco's most iconic locations, ideal for groups seeking quality, character, and convenience in the heart of the city. With just 30 thoughtfully appointed rooms, the hotel provides a more personal and elevated stay steps from Union Square, where guests can easily gather before dinner, shopping, theater, meetings, or a day exploring San Francisco. Each morning begins with complimentary fresh pastries and coffee service, creating a warm and welcoming start for guests before heading out to nearby offices, events, Moscone Center, or the city's celebrated attractions.

Details / Other Expenses

Check-In 4:00 PM - 11:00 PM

Check-Out 11:00 AM

Year of Last Renovation: 2016

Floors: 6

Rooms: 30

Room Windows: Windows Do Open

Dist. to Food/Bars: 0.3 Mi

Total Taxes: 17.70%

Total Misc Fees: $0.00 USD

Check-In Instructions:

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
The name on the credit card used at check-in to pay for incidentals must be the primary name on the guestroom reservation
This property accepts credit cards; cash is not accepted
Cashless transactions are available
Safety features at this property include a carbon monoxide detector, a fire extinguisher, a smoke detector, and a security system

Amenities / Features

24-hour front desk
Banquet hall
Bicycle rentals nearby
Braille or raised signage
Change of bed sheets (on request)
Change of towels (on request)
Check In: 4:00 PM - 11:00 PM
Check Out: 11:00 AM
Elevator
Free WiFi
Health or beauty spa nearby
No cribs (infant beds) available
No rollaway/extra beds available
Number of meeting rooms - 1
Pets not allowed
Professional property host/manager
Property does not offer onsite COVID-19 testing
Property does not require health documentation at check-in
Proposal/romance packages available
Scooter/moped rentals nearby
Service animals are allowed
Service animals are exempt from fees/restrictions
Smoke-free property
Vending machine
Wheelchair accessible (may have limitations)
Wheelchair accessible path of travel

Airport & Shuttle Info

San Jose International Airport (46 miles), Oakland International Airport (18 miles), San Francisco International Airport (14 miles)

Sorry, no airport shuttle available.

Local Shuttle Info:

Breakfast Information

Breakfast Pastries and coffee

Pet Friendly?

Pets are not allowed

Parking Info

Union Square Public Parking Garage

Internet / WiFi

WiFi included

You'll be asked to pay the following charges at the property. Fees may include applicable taxes: Refundable incidentals deposit: USD 200 per accommodation, per stay We have included all charges provided to us by the property. Early check-in is available for a fee (subject to availability) Late check-out is available for a fee (subject to availability) The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

We have included all charges provided to us by the property.

A car is not required for transportation to and from this property.
Cashless payment methods are available for all transactions.
Contactless check-in and contactless check-out are available.

Contactless check-in is available

Contactless check-out is available

Essential workers only - NO

Cashless transactions are available

Suggested AI Generated Itinerary

Day 1

Breakfast Tartine Bakery - Famous bakery known for its delicious pastries, located 1 mile from the hotel.

Lunch Hog Island Oyster Co. - Seafood restaurant offering fresh oysters, located 0.8 miles from the hotel.

Dinner The House of Prime Rib - Classic steakhouse known for its prime rib, located 0.5 miles from the hotel.

Activity Golden Gate Park - Beautiful park with gardens, museums, and recreational activities, located 3 miles from the hotel.

Day 2

Breakfast Mama's on Washington Square - Popular breakfast spot known for its pancakes, located 1.5 miles from the hotel.

Lunch The Slanted Door - Modern Vietnamese cuisine with waterfront views, located 1.3 miles from the hotel.

Dinner Gary Danko - Upscale restaurant offering a seasonal menu, located 1.2 miles from the hotel.

Activity Alcatraz Island - Historic prison turned tourist attraction, located 2.5 miles from the hotel.

Day 3

Breakfast Farmhouse Kitchen Thai Cuisine - Authentic Thai dishes with a modern twist, located 1.7 miles from the hotel.

Lunch The Ferry Building Marketplace - Food hall with various vendors and shops, located 0.9 miles from the hotel.

Dinner Boulevard - Elegant restaurant serving American cuisine, located 1.8 miles from the hotel.

Activity Fisherman's Wharf - Popular tourist destination with seafood restaurants and souvenir shops, located 1.5 miles from the hotel.

Frequent Questions

FAQs about Inn At Union Square

What time is check in?

Check in time is 4:00 PM - 11:00 PM based on the hotel's local time. Early check in may be available if requested at the front desk on the day of check-in.

What time is check out?

Check out time is 11:00 AM based on the hotel's local time. Late check out may be available if requested at the front desk during your stay.

How many rooms does Inn At Union Square have?

There are 30 rooms in the property.

What kind of breakfast is at Inn At Union Square?

Breakfast Pastries and coffee

What parking is available at Inn At Union Square?

Union Square Public Parking Garage

How much does internet cost?

WiFi included

Is there shuttle service at Inn At Union Square?

San Jose International Airport (46 miles), Oakland International Airport (18 miles), San Francisco International Airport (14 miles)