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Sonder Onyx

Aparthotel 9.0 · 125 reviews 305 North 15th Street, 19102Sonder

Aparthotel in Philadelphia

3 apartment types · up to 4 guests · full kitchen

  • Kitchen

    Includes stovetop, microwave, fridge

  • 40–72 m²

    Apartment sizes listed

  • Sleeps up to 4

    3 apartment types

  • In-apartment washing machine

    Handy for longer stays

Sonder Onyx offers self-catering apartments (full kitchen) in Philadelphia, USA, operated under the Sonder brand. The address is 305 North 15th Street, 19102. You can compare it with other aparthotels in Philadelphia before you book.

Going by the facilities listed, it is a good fit for guests who like to cook their own meals, longer stays and groups of up to 4.

What this place offers

  • Kitchen
  • Dishwasher
  • Washing machine
  • Free wired internet
  • Internet access
  • Microwave
  • Refrigerator
  • Air conditioning
  • Cleaning products
  • Cleaning standards that are effective against Coronavirus
Show all 56 amenities
  • Guest room sealed after cleaning
  • Guests can opt-out any cleaning services during stay
  • Property cleaned by professional cleaning companies
  • Lift / Elevator
  • Upper floors accessible by elevator
  • Fitness facilities (surcharge)
  • Coffee machine
  • Coffee/tea maker
  • Electric kettle
  • TV
  • Sofa
  • Private bathroom
  • Contactless check-in/check-out
  • Hand sanitizer in guest room and key areas
  • Body soap
  • Cashless payment available
  • Clothes rack
  • Conditioner
  • Cots
  • Dining area
  • Dining table
  • Guest rooms disinfected between stays
  • Hair dryer
  • Heating
  • Hypoallergenic pillow
  • Invoice provided
  • Linen
  • Non-smoking rooms
  • Non-smoking throughout
  • Oven
  • Physical distancing in dining areas
  • Physical distancing rules followed
  • Private apartment in building
  • Sanitized tableware & silverware
  • Screens / Barriers between staff and guests for safety
  • Shampoo
  • Shared stationery like menus, pens are removed
  • Smoke alarm
  • Staff adhere to local safety protocols
  • Stovetop
  • Toaster
  • Toilet
  • Toilet paper
  • Trash cans
  • Tumble dryer
  • Wardrobe or closet

Apartment facts

Kitchen
Full kitchen (stovetop, microwave, fridge, dishwasher, coffee machine)
Room sizes
40–72 m²
Laundry
In-apartment washing machine
Workspace
Not specified
Reception
Not specified
Check-in
From 04:00 PM until 12:00 AM · contactless check-in/check-out
Check-out
By 11:00 AM
Security deposit
Mentioned in property policies — shown with the rate
Parking
Not specified
Pets
Not allowed
Housekeeping
Not specified

Inside the apartments

There are 3 room types listed, including “Apartment - Disability Access”, “One-Bedroom Apartment” and “Deluxe One-Bedroom Apartment”. Where sizes are given, they range from 40 m² to 72 m², with a median of 53 m². The largest option sleeps up to 4 guests.

Every listed room type has a full kitchen, and the equipment listed includes a stovetop, microwave, fridge, dishwasher, coffee machine, electric kettle and toaster.

Some apartments have a dining area.

What is included

You can expect an in-apartment washing machine.

There is also a fitness area.

Pets are not allowed.

Room options

These are the room types the property currently lists. Availability and prices change daily, so use the dates box above to see what is bookable.

  • Apartment - Disability Access · 72 m² · sleeps 4 · kitchen
  • One-Bedroom Apartment · 40 m² · sleeps 4 · kitchen
  • Deluxe One-Bedroom Apartment · 53 m² · sleeps 4 · kitchen

Arrival and check-in

Check-in starts at 04:00 PM and runs until 12:00 AM. Check-out is by 11:00 AM.

The property offers contactless check-in/check-out.

The property's policies mention a security deposit; the exact terms are shown with the rate before you pay.

Location in Philadelphia

If you are comparing options, Sosuite at The Onyx - Museum District, The Heid Lofts by Reside, a Wyndham Residence and Home2 Suites by Hilton Philadelphia Convention Center are nearby.

Longer stays

For stays of a week or more, the combination of a full kitchen and an in-apartment washing machine makes day-to-day life easier than in a standard hotel room. Our guide to serviced apartments for relocation covers what else to check.

What guests say

Most praised

  • Clean rooms
  • Friendly staff
  • Great location
  • Comfortable beds

Most criticised

  • Limited parking
  • Expensive breakfast
  • No spa services

Summary of verified guest reviews aggregated by our booking partner (LiteAPI / Nuitée), updated June 2025. Not individual quotes.

Where you'll be

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Frequently asked questions

What time is check-in at Sonder Onyx?

Check-in starts at 04:00 PM and ends at 12:00 AM. Check-out is by 11:00 AM.

Do the apartments at Sonder Onyx have a kitchen?

Yes: the listed room types have a full kitchen with a stovetop, microwave, fridge and dishwasher.

Are pets allowed at Sonder Onyx?

No, pets are not allowed.

Is Sonder Onyx suitable for a long stay?

It lists a full kitchen and an in-apartment washing machine, which are the facilities most long-stay guests look for.

Last updated