What guest services does Inn at Union Square offer?

Inn at Union Square offers services such as laundry.

Is Inn at Union Square a good place to stay?

Guests rate it 9.4/10 (Exceptional) across 462 reviews.

How does pricing work at Inn at Union Square on travelpluscost?

One honest price: what the hotel charges us plus one small flat fee — the same for everyone, never based on your data. No hidden markup and no fake discounts.

Inn at Union Square

Name: Inn at Union Square
Address: 440 Post Street, San Francisco, US
Rating: 9.4

9.4462 reviews

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Where to?

Hotel

440 Post Street, San Francisco

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Top-rated location

Guests rate location 9.8/10.

Guest favorite

Exceptional reviews from recent guests.

Popular amenities

Free WiFiLaundryAccessible

About Inn at Union Square

Sophisticated Boutique Hotel Retreat

Experience the charm of The Inn at Union Square San Francisco, a unique and sophisticated hotel nestled in the vibrant heart of Union Square.

Prime Location

Located in the center of it all, our boutique hotel offers easy access to a wide array of San Francisco's top sights and attractions.

Proximity to Iconic Landmarks

Enjoy being just minutes away from famous landmarks such as the iconic cable cars, Golden Gate Bridge, and Fisherman's Wharf.

Book your stay now at The Inn at Union Square San Francisco for an unforgettable experience in the heart of the city.

Good to know about Inn at Union Square

Check-in

04:00 PM

Check-out

11:00 AM

Pets

Not allowed

Children

Welcome

Choose your room at Inn at Union Square

Inn at Union Square

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How Inn at Union Square's price works

One flat fee

The price is what the hotel charges us plus one small, flat service fee — the same for every guest.

No surveillance pricing

We never use your device, location or browsing history to decide what you pay.

All-in, no surprises

Taxes and known fees are shown up front. What you see is what you book.

Inn at Union Square reviews

9.4

Exceptional

462 reviews · updated January 2026

Cleanliness9.3

Service9.8

Location9.8

Room Quality9.3

Amenities9.3

Value for Money8.7

Guests loved

+ Ideal location
+ Friendly and helpful staff
+ Clean and comfortable rooms
+ Good breakfast options

Worth noting

– Hidden fees charged after stay
– Issues with Wi-Fi accessibility

Things to do near Inn at Union Square

440 Post Street, San Francisco

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Inn at Union Square property amenities

Internet

WiFi available
Free WiFi

Food & drink

Vending machine - snacks

Accessibility

Facilities for disabled guests

Services & conveniences

24-hour front desk
Lift / Elevator
Safety deposit box
Daily housekeeping
Staff adhere to local safety protocols
Laundry washed per local authority guidelines
Screens / Barriers between staff and guests for safety

Climate & comfort

Non-smoking rooms
Heating
Non-smoking throughout

Meeting/banquet facilities
Vending machine - drinks
Guest rooms disinfected between stays
Cleaning standards that are effective against Coronavirus
Hand sanitizer in guest room and key areas
Cashless payment available
Fire extinguishers
Invoice provided
Guests can opt-out any cleaning services during stay
Smoke alarms
Food delivered to guest room
CCTV outside property
CCTV in common areas
Delivered food - securely covered
Security alarm
Key card access

Inn at Union Square room amenities

Bedroom

Hypo-allergenic bedding available
Safety deposit box

Bathroom

Shower
Hair dryer
Bathrobe
Private bathroom
Designer toiletries

Entertainment

Food & drink

Coffee/tea maker
Refrigerator

Internet & phone

Telephone

Desk
Wheelchair accessible
Daily housekeeping
Fireplace
Seating Area
Alarm clock
Cots

Frequently asked questions about Inn at Union Square

What are the check-in and check-out times at Inn at Union Square?

Check-in starts at 04:00 PM and check-out is by 11:00 AM.

Does Inn at Union Square have WiFi?

WiFi is available at Inn at Union Square. Check your room's details for whether it's free or carries a charge.

Is Inn at Union Square wheelchair accessible?

Inn at Union Square offers facilities for guests with disabilities. Contact the property to confirm the specifics for your needs.

Is Inn at Union Square pet-friendly?

No, pets are not allowed at Inn at Union Square.

Is Inn at Union Square family-friendly?

Yes, Inn at Union Square welcomes families.

Is Inn at Union Square non-smoking?

Yes, Inn at Union Square is non-smoking throughout.

How far is Inn at Union Square from Honolulu airport (HNL)?

It's about 2398 mi (straight-line) from Honolulu airport (HNL).

What's the closest beach to Inn at Union Square?

The nearest is Lanikai Beach, about 2385 mi away (straight-line).

What is the cancellation policy at Inn at Union Square?

It depends on the rate you pick — many rooms at Inn at Union Square offer free cancellation. You'll see each room's exact policy before you book.

Are there extra fees at Inn at Union Square?

Any mandatory property fees are shown in your all-in total before you book — no surprises at checkout.

Inn at Union Square policies

Groups

When booking more than 3 rooms, different policies and additional supplements may apply.

Internet

WiFi is available in all areas and is free of charge.

Parking

No parking available.

Children and extra bed policy

Children of any age are allowed. Children up to and including 10 years old stay for free when using an existing bed. You haven't added any cots. You haven't added any extra beds.

Pets

Pets are not allowed.

You need to know about Inn at Union Square

The property accepts reservations and will rent rooms and other facilities to people under the age of 18 in cases where either (i) a parent or legal guardian guarantees payment of all charges for rooms, food and beverage, incidentals and damages incurred; or (ii) a person under the age of 18 is legally emancipated and can present documentation at check in showing they are emancipated and can legally contract for services. Guests are required to present at check in a valid photo ID and the credit card used for making their reservation. The name on the reservation, the ID and the name on the credit card must be the same. All special requests are subject to availability and additional charges may apply.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. A deposit may be required at the property.