Downtown, a neighbourhood in Portsmouth, is home to Treadwell Mansion. Market Square is a notable landmark, and the area's natural beauty can be seen at Hampton Beach and Long Sands Beach. The Music Hall and Portsmouth Love Wall are also worth visiting.
Carbon monoxide detector not reported (host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector)
Smoke detector not reported (host has not indicated whether there is a smoke detector on the property)
General
38 units
Electric car charging station
Policies
Check-in
Check-in start time: 3:00 PM; check-in end time: anytime
Minimum check-in age - 21
Check-out
Check-out before 10:00 AM
Special check-in instructions
There is no front desk at this property
Guests will receive an email within 48 hours before arrival with check-in instructions and an access code; access will be through a private entrance
Prior to arrival, you must complete online registration via a secure link
You will be asked to provide the property with a copy of your government-issued photo ID after booking
Information provided by the property may be translated using automated translation tools
Access methods
Access code, private entrance
Pets
Pets are allowed for an extra charge of USD 150 per accommodation, per day
Service animals are welcome, and are exempt from fees
Welcoming dogs only
Children and extra beds
Children are welcome
Rollaway/extra beds are not available.
Cots (infant beds) are not available
Payment types at the property
Important information
Optional extras
Covered self-parking fee: USD 40 per day (in/out privileges)
Pet fee: USD 150 per accommodation, per day
Service animals are exempt from fees
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
You need to know
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card or cash deposit 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
This property accepts credit cards and debit cards; cash is not accepted
Host has not indicated whether there is a carbon monoxide detector on the property; consider bringing a portable detector with you on the trip
Host has not indicated whether there is a smoke detector on the property
This property has outdoor spaces, such as balconies, patios and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room
We should mention
This property does not have any lifts
Parking height restrictions apply
Frequently asked questions
Is Treadwell Mansion pet-friendly?
Yes, dogs are allowed at this property. There's a fee of USD 150 per accommodation, per day. Service animals are exempt from fees.
How much does it cost to stay at Treadwell Mansion?
As of 8 Oct 2026, prices found for a 1-night stay for 2 adults at Treadwell Mansion on 1 Nov 2026 start from 6.172.848 ₫, excluding taxes and fees. This price is based on the lowest nightly price found in the last 24 hours for stays in the next 30 days. Prices are subject to change. Choose your dates for more accurate prices.
How much is parking at Treadwell Mansion?
Self-parking is available for USD 40 per day. Limited spots are available.
What time is check-in at Treadwell Mansion?
Check-in start time: 3:00 PM; check-in end time: anytime.
What time is check-out at Treadwell Mansion?
Checkout is at 10:00 AM.
Where is Treadwell Mansion located?
Located in Downtown, this aparthotel is steps away from Market Square, Governor John Langdon House Museum and Portsmouth Harbor Trail. Portsmouth Athenaeum and The Music Hall are also within 5 minutes.
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Reviews
Treadwell Mansion Reviews
9.4
Exceptional
All reviews shown are from real guest experiences. Only travellers who have booked a stay with us can submit a review. We verify reviews according to our guidelines and publish all reviews, positive or negative.More informationOpens in a new window
Beautiful room!! Brand new, full kitchen. Exceeded my expectations. Great location!! Restaurants, bars are all in walking distance. We’ll definitely be back!!
We loved staying here! Loved that it had a full kitchen, and the location was perfect! We could park the car and then not have to worry about having to drive around. We stayed in town to enjoy the Prescott Park's outdoor theater (within' walking distance) and was easily able walk around to find places to eat or shop around. We also loved the rooftop table and seating area. When we are in the area we will be back!
New hotel right downtown. Good location to the Music Hall. Also has an underground parking garage
Stayed 1 night in Jul 2026
Verified review
8/10 Good
Brian
13 Sep 2026
Liked: Cleanliness, listing accuracy
Disliked: Check-in, communication
Rooms and general areas are VERY NICE. However, you cannot get into the building or the parking cave without the 5 digit code they send you. But not until 3:30!!! Your code will not let you in until that time AND THERE IS NO DESK OR HOST IN THE BUILDING to let you in or talk to. Also be aware that the parking cave has a very tight turn at the entrance that would likely not be possible with anything bigger than a standard car, and local street parking is nearly impossible. Stay was really nice once we were actually allowed in the building and parking cave, and the location is in the middle of lots of shops and restaurants.
Positives: comfy memory foam bed, clean space, nice location. The rooms are in a converted historic building, and while many interior features are attractive, the project seems very rushed, and a lot of important items are missing or poorly done (especially to be a four star as they claim)
Most importantly, the AI model is a hellish experience. The communications pretend to come from a real person but are coming from a computer. The AI ("concierge") will waste 30 minutes of your time going round and round on any request before maybe escalating to a real human. The human then chooses responses from an AI menu. It's absolutely awful. The AI sends many many pre-scheduled messages and responds with insulting platitudes that don;t help at all. One night I watched three different frustrated parties unable to get into their rooms and the garage. One woman didn't;t know she was communicating via text with a computer.
Also:
1. No decent coffee. There are a lot of Keurig pods, but they are gross. There is no drip maker, French press, or Nespresso. 4 star?
2. No full length mirror- just a small bathroom vanity mirror
3. Plastic disposable cups in bath, as in Motel 6
4. unlabeled and unidentifiable shower toiletries (is it shampoo, conditioner, soap?)
5. A thermostat that is externally controlled (you can move it a few degrees up or down- that's it.) Our room was freezing, and despite asking many times, we could not turn the AC off.
6. No bathrobes/slippers
7. No bowls in kitchen
we loved our room and the hotel! it was perfect for our frost wedding anniversary and trip to portsmouth. super easy and quick check in the hotel was safe and secure, plus the beds were soo comfortable! Highly recommend! no complaints :)