186 Fifth Avenue: Apartments for Sale & Rent

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Last updated on May 6, 2025

186 Fifth Avenue

186 Fifth Avenue is an attractive red-brick and terracotta building designed by Henry J. Hardenbergh in 1883 for Western Union. Located on the southeast corner of 23rd Street, it overlooks Madison Square Park and is being partially converted to residential condominiums in 2007.

Recent Sales (1) $1,634 Avg. price/ft²
All Units in Building (4)

Apt. RU5

3 beds

3 baths

2,418 ft²

$3,950,000

$1,634

Jul 14, 2022

View Full Sales History

Overview of 186 Fifth Avenue

186 Fifth Avenue was built in 1883 and converted to condos in 2007. 186 Fifth Avenue has a total of 4 apartments and is located in Flatiron/Union Square, very close to the M, F, N, R and 6 subway lines.

Doorman

None

Type

Condo

Year Built

1883

Converted: 2007

Apartments

4 (view all units)

Floors

Neighborhood

Flatiron/Union Square (Manhattan)

Min Down

20%

Maps &
3D Aerial Views

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Amenities

Pre War
Elevator

Area Map StreetView

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at Broadway 0.04 miles

at 6th Ave 0.17 miles

at Park Ave 0.21 miles

at 7th Ave 0.34 miles

at 6th Ave and 16th 0.40 miles

at Broadway and 16th 0.40 miles

Pros & Cons

Designed by Henry Hardenbergh
Excellent public transportation
One apartment per floor
Prime Flatiron/Chelsea location
Overlooks Madison Square Park
Across Fifth Avenue from Flatiron Building
Close to Subway

No doorman
No fireplaces
No balconies
No garage

CityRealty Rating

/44

Architecture

/36

Location

/39

Features

Editor’s Points

CITYREALTY
RATING

How is the CityRealty Rating calculated?
Architecture

30+ remarkable

20-29 distinguished

11-19 average

< 11 below average
Location

27+ remarkable

18-26 distinguished

9-17 average

< 9 below average
Features

22+ remarkable

16-21 distinguished

9-15 average

< 9 below average
CityRealty’s Ratings Explained

Sales History

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Sales Summary

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Pricing Comparison of Similar Buildings

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Editorial Coverage

Sales have started at conversion of 186 Fifth Avenue Friday, September 7, 2007

Alternate Address

2-10 West 23rd Street

One Domino Square

between South 3rd Street & South 4th Street

Williamsburg

Spectacular Living on the Williamsburg Waterfront. One to three-bed condos by Annabelle Selldorf with wonderful views of NYC. Over 45,000 SF of amenities | Immediate Occupancy

1 beds starting at $1,975,000
2 beds starting at $2,085,000
3 beds starting at $3,060,000

Learn More

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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186 Fifth Avenue

Overview of 186 Fifth Avenue

Maps &3D Aerial Views

Amenities

Pros & Cons

CityRealty Rating

How is the CityRealty Rating calculated?

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Editorial Coverage

Alternate Address

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