Last updated on May 13, 2026

Inkwell,
520 West 45th Street

520 West 45th Street, originally built as P.S. 51 school in the early 1900s, was converted to luxury condominium Inkwell in 2017. The building features a charming lobby, garden-level gym with modern equipment, outdoor terrace, private storage, and is pet-friendly. Currently, 1 apartment is for sale.

All Apartments For Sale (1) $1,604 Avg. price/ft²
Recent Sales (4) $1,459 Avg. price/ft²
All Units in Building (18)

Apt. 4C
Quick view: 17 photos

2 beds

2 baths

1,309 ft²

$1,604

$2,100,000

May 11, 2026

9 days

#4C: $2,100,000 - 2 beds

Apt. 2A

2 beds

2 baths

1,401 ft²

$1,995,000

$1,424

$1,995,000

Aug 5, 2024

Apt. 1A

3 beds

3 baths

1,901 ft²

$2,712,500 -9.4%

$1,427

$2,995,000

Aug 10, 2022

Apt. 3B

2 beds

2 baths

1,306 ft²

$1,940,000 -2.7%

$1,485

$2,050,000

Jul 27, 2022

Apt. 2C

2 beds

2 baths

1,309 ft²

$1,965,000 -1.5%

$1,501

$1,995,000

May 24, 2022

View Full Sales History

Overview of Inkwell at 520 West 45th Street

520 West 45th Street was originally built at P.S. 51 school at the beginning of the 20th century, and was converted to luxury condominium Inkwell in 2017. Special architectural details include a wonderfully charming lobby and garden-level state-of-the-art gym including a Peloton bike and rowing machine, plus adjacent outdoor terrace for residents for timeless outdoor entertaining or working from home. Private storage transfers with purchase, and pets are welcome.

Doorman

None

Type

Condo

Year Built

1905

Converted: 2016

Apartments

18 (view all units)

Floors

Pets: Allowed

Neighborhood

Midtown West (Manhattan)

Min Down

20%

Developer

Gotham Organization

Architect

SLCE Architects

Design

AvroKO

Maps &
3D Aerial Views

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Amenities

Pre War
Walk Up
Fitness Center
Outdoor Entertainment Space
Laundry Room
Bike Room

Area Map StreetView

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at 8th Ave and 44th 0.42 miles

Sales History

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Editorial Coverage

One United Nations Park

between East 39th Street & East 40th Street

Murray Hill

One United Nations Park is an unprecedented interplay of privacy and light—a balance that reflects the architecture’s bold exterior and luminous interiors.

2 beds starting at $3,695,000
3 beds starting at $5,900,000
4 beds starting at $4,870,000

Learn More

One United Nations Park - Exterior View - Building

One United Nations Park - Exterior/Interior View - Terrace and Living Room

One United Nations Park - Interior - Corner View - Living Room

One United Nations Park - Interior - Living Room - View of ESB

One United Nations Park - Interior View - Colorful Living Room

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RLS IDX Data display by CityRealty.com, LLC. This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved. IDX information is provided exclusively for consumers' personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.

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An equal housing opportunity

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Inkwell,520 West 45th Street

Overview of Inkwell at 520 West 45th Street

Maps &3D Aerial Views

Amenities

Sales History

Sales Summary

Sales History by Apartment Size

Pricing Comparison of Similar Buildings

Editorial Coverage

Search

Market Data

Market Insight

CityRealty

My Account

Inkwell,
520 West 45th Street

Maps &
3D Aerial Views