668 6th Avenue

$5,500,000

for sale

6,673 ft²

$824 per ft²

11 rooms

4 beds

2+ baths

Mixed-use building
Flatiron
Resale

This home has been saved by 9 users.

Listing by Avison Young New York LLC, Limited Liability Broker, 530 Fifth Avenue, New York, NY 10036

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Common charges

Not applicable

Estimated payment

$40,645/mo

Taxes

$12,834/mo

Tax abatement

No info

About

Seller’s agent

David Shalom

Licensed Real Estate Salesperson

Avison Young New York LLC

Miles Davis-Bosch

Licensed Real Estate Salesperson

Avison Young New York LLC

Description

Avison Young, as the exclusive agent, is pleased to offer for sale 668 Sixth Avenue, a 4-story walk-up building featuring 20’ of frontage on the east side of Sixth Avenue between West 20th and 21st Streets in Flatiron District. The Property spans approximately 6,673 ± square and consists of two (2) commercial spaces on the first and second floor with two (2) residential units above.

Policies

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Home features

Central air
Dishwasher
Fireplace
Hardwood floors
Private outdoor space
Garden, Terrace

Building amenities

Services and facilities

No info on services and facilities

Wellness and recreation

No info on wellness and recreation

Shared outdoor space

Courtyard

About the building

668 6th Avenue

668 6th Avenue, New York, NY 10010

Mixed-use building inFlatiron

2 units

4 stories

1920 built

For sale

1 available units for sale

For rent

0 available units for rent

Documents and permits

View documents and permits

Learn more about 668 6th Avenue

Property history

Price change: ↓ $550,000 (-9.1%) on 5/4/26
Days on market: 218 days

Date	Price	Event
5/4/2026	$5,500,000	Price decreased by 9%
1/12/2026	$6,050,000	Listed by Avison Young New York LLC

Explore Flatiron

Transit

Location	Distance
FMat 23rd St	0.11 miles
PATHat 23rd Street Station	0.12 miles
RWat 23rd St	0.21 miles
1at 23rd St	0.21 miles
1at 18th St	0.21 miles

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About Flatiron

Sales

Median asking price

4 beds

$15.4M

Rentals

Median asking base rent

4 beds

$12,747

Flatiron is a historic New York City neighborhood that has seen its fair share of change over the years. In the early 1900s, it was a major commercial and residential center. By the middle of the century, things stagnated as businesses and residents left in search of more space and lower rents. In recent years, stores, upscale restaurants, and new developments moved back in, and the neighborhood is seeing a significant resurgence. Fifth Avenue now bustles with some of the best shopping in the city, and restaurants run the gamut from Michelin-rated to Yelp-reviewed food trucks.

Flatiron is busiest at midday and cocktail hour and tends to quiet down a bit at night, although the lights never truly turn off. Proximity to Union Square and multiple subway lines make it an equally easy trip to Midtown or Downtown.

Learn more about Flatiron