Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
105 5TH Avenue #4A

For Sale · Listing by Corcoran Group

105 5TH Avenue #4A

Flatiron, Manhattan

$2,275,000

Interested in this property?
Active For Sale Co-op

$2,275,000

105 5TH Avenue #4A

Flatiron, Manhattan

Folio House

MLS® #RLS20108684

RLS at REBNY

Listing by Corcoran Group

Open House Scheduled

Sunday, September 13 • 3:00 PM – 4:00 PM

REBNY 2025: signed Buyer Representation Agreement required before any showing.

2
Bedrooms
2
Baths
N/A
Sq. Ft.
1902
Year Built

Quick Summary

Bedrooms 2
Bathrooms 2
Year Built 1902
Ownership Co-op
Maintenance $3,482/mo
Neighborhood Flatiron
Floor 4 of 11

Property Highlights

  • Views: City
  • Exposure: West facing
  • Style: Loft architecture

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 2 Full
Floor 4 of 11
View City
Exposure West
Pets Yes
Year Built 1902
Architectural Style Loft
Structure Type HighRise
Basement Other
Parcel # 0846-0071-00105-000-000004A
Block/Lot 00846/0071

Listing History

Event Date Price Change
Listed Sep 11, 2026 $2,275,000 -
Currently Sep 13, 2026 $2,275,000 -

Description

105 Fifth Avenue, Residence 4A Flatiron District Live in a true Manhattan loft in the heart of the Ladies' Mile Historic District. Residence 4A at 105 Fifth Avenue is a stunning 2-bedroom, 2-bathroom Flatiron loft combining dramatic proportions, authentic character, and sophisticated modern finishes in one of Downtown Manhattan's most desirable locations. Nearly 12-foot ceilings and six oversized windows define the expansive living and dining space, with western exposures overlooking the distinctive historic architecture of Fifth Avenue. Industrial-inspired lighting, custom built-in bookshelves, and perfectly positioned window seats enhance the loft's character while creating an exceptional setting for entertaining. The enormous open kitchen is equally impressive, featuring Viking and Sub-Zero appliances, a wine cooler, oversized stainless-steel hood, bamboo cabinetry, extensive customized storage-including a clever appliance garage-and granite countertops with a generous breakfast bar. The private primary bedroom easily accommodates a king-sized furniture set and includes an elegant en-suite marble and quartz bathroom with Kohler and Duravit fixtures. The second bedroom offers flexibility for guests, work, or everyday living and features a built-in home office overlooking the historic district. Additional features include a second full bathroom with limestone surround and multi-function shower panel, in-unit washer and dryer, dimmable lighting, window shades, remote entry, freshly refinished hardwood floors, and a designated private storage unit. Folio House at 105 Fifth Avenue Folio House is a distinguished boutique loft building designed by noted architect Robert Maynicke and completed in 1902. Located within the Ladies' Mile Historic District, the building reflects the commercial and architectural history that makes this stretch of Fifth Avenue so distinctive. Residents enjoy a full-time resident manager, virtual doorman, newly renovated hallways, fitness room, additional laundry facilities, two passenger elevators, and a separate service entrance with package room and freight elevator. Prime Flatiron Location Near Union Square Few Downtown Manhattan locations offer this combination of architecture, convenience, and neighborhood energy. 105 Fifth Avenue is ideally positioned in Flatiron on the cusp of Union Square and Greenwich Village, placing some of New York City's best dining, shopping, markets, and cultural destinations just outside your door. Enjoy neighborhood favorites including Kyma, ABC Kitchen, and Mission Ceviche, along with the Union Square Greenmarket, Eataly, Whole Foods Market, Trader Joe's, neighborhood coffee shops, parks, and dog runs. Transportation is exceptional, with convenient access to the 4, 5, 6, F, M, L, N, Q, R and W subway lines, plus the M14 and M23 crosstown buses, making travel throughout Manhattan and the rest of New York City effortless. All showings are by appointment only. Assessment: $237/month.

Features & Amenities

Interior Features

Dining Area High Ceilings Building Other In Unit

Exterior Features

None

Building Amenities

Elevators Storage

Appliances

Dishwasher

Building Information

Building Folio House
Building Data View Compliance & Permits
Total Units 36
Stories 11
Structure HighRise
Style Loft

Financial Details

Maintenance $3,482/mo

The Flatiron District is a busy intersection of history, technology, and luxury living. Named after the iconic Flatiron Building, the neighborhood is centered around Madison Square Park and is a hub for the city's 'Silicon Alley.' The real estate market is famous for its grand cast-iron loft buildings with high ceilings and expansive floor plans, alongside ultra-luxury glass towers that offer modern amenities and central Manhattan convenience.

Flatiron Live Market Data

View Neighborhood

Active Listings

97

Median Asking Price

$2.40M

Median $/Sqft

$1,789

Avg Days on Market

N/A

New This Week

21

Price Reduced

25%

Sold (30 Days)

24

Median Sale Price

$1.95M

Live data from RLS at REBNY • Updated 9/13/26, 1:56 AM EST

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Location

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105 5TH Avenue #4A, Flatiron, New York County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1902
Year Built
124 years old
11
Floors
41
Residential Units
C6-4M
Zoning District
Elevator Apartments Historic District: Ladies' Mile Historic District

Tax & Assessment

Assessed Value: $16,234,200
Land Value: $1,705,500
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 9,850 SF
Building Area: 102,017 SF
Built FAR: 10.36
Allowed FAR: 10

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $3,482 per month. Confirm the exact amount with Milton Coste before making an offer.

This property has 2 bedrooms and 2 full bathrooms.

According to MLS records, the building was constructed in 1902, making it approximately 124 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pets are permitted at this property: Pets Allowed,Building Pets Allowed Comments:Pets Allowed. Contact Milton Coste for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20108684
First Listed: 8/11/2026
On Market: 9/11/2026
Contract Date: 8/11/2026

Listing Courtesy of Corcoran Group - Ronald Anthony Testa

Listing Contact: (646) 675-6173

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing 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. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 9/13/2026 at 5:56 AM UTC

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Flatiron Market Update

24 sales last 30 days · $2.40M median · 4 months supply

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New listings in this building

Quick Facts

Status Active Type Co-op Neighborhood Flatiron Borough Manhattan
County New York
Floor 4 of 11
Year Built 1902
First Listed 8/11/2026
Style Loft
Maintenance $3,482/mo

Monthly Costs Estimate

Down Payment 20%

$455,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $3,482
Total Monthly $0

Estimates only. Consult a lender for exact figures.

Mansion tax applies at this price point

New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $2M to $2,999,999 at 1.25%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$28,438

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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