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42 East 20th Street #6a, New York, NY 10003 Property Information

Q: How many residential units does this building have?

This building has 1 residential units and 0 commercial spaces.

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Address

Primary address	42 East 20th Street #6a
Neighborhood	Flatiron District

Zip code	10003
Borough	Manhattan
Block & lot	00848-1114

Sales & Tax Overview for 42 East 20th Street #6a, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class	Register
Estimated property tax	$43,980

Lot & Building Information for 42 East 20th Street #6a, New York

Lot sq. ft.	8,096
Property type	Condo - Residential Unit in Elevator Building (R4)
Building sqft	2,222
Buildings on lot	1
Stories	9

Year built	1910
Year last altered	2004

Zoning & Use for 42 East 20th Street #6a, New York

Residential units (DOF)	1

Area Overview

Walk Score

Transit Score

Bike Score

School district	2
Community district	5

Closest police station	0.60 Miles
Closest fire station	0.12 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Unit Overview

Unit #	6A
Square feet	2,222
Condo complex	101324

Other Property Data for 42 East 20th Street #6a, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 42 East 20th Street #6a, New York, NY 10003, including commercial and residential FAR, FAR as built and usable floor area.

Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.

Violations for 42 East 20th Street #6a, New York, NY 10003, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 42 East 20th Street #6a, New York

What is the year built & the total sq. ft. for 42 East 20th Street #6a, New York, NY 10003?

42 East 20th Street #6a, New York, NY 10003 was built in 1910 and has a total of 2,222 square feet.

What is the assessed value of 42 East 20th Street #6a, New York, NY 10003 and the property tax paid?

Assessed at $442,781, the tax amount paid for 42 East 20th Street #6a, New York, NY 10003 is $51,148. For the next year, the tax amount for 42 East 20th Street #6a, New York, NY 10003 is estimated at $43,980.

How many residential units does this building have?

This building has 1 residential unit(s).

Ownership Information for 42 East 20th Street #6a, New York

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Property owner name for 42 East 20th Street #6a, New York, NY 10003

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Building contacts for 42 East 20th Street #6a, New York, NY 10003

Building management:	Register
Representatives (from permits):	Register
Tenants:	Register

Commercial Real Estate nearby

Real Estate Reports:

Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens

Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.

Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M

New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.

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Past Sales & Property History for 42 East 20th Street #6a, New York

Create a free account to view the complete sales history for 42 East 20th Street #6a, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 42 East 20th Street #6a, New York

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date	Type	Amount	Party 1	Party 2	Doc image
06/29/2009 - D 07/13/2009 - R	Satisfaction of Mortgage (2009062901367001)
03/22/2004 - R	UCC3 Amendment (2004030801118001)
01/22/2004 - D 08/25/2004 - R	Satisfaction of Mortgage (2004020400608003)
01/22/2004 - D 08/25/2004 - R	Satisfaction of Mortgage (2004020400608002)
01/22/2004 - D 08/25/2004 - R	Satisfaction of Mortgage (2004020400608001)
01/14/2004 - R	Power of Attorney (2003122600539003)
01/14/2004 - R	Release (2003122600539001)
12/16/2003 - D 01/14/2004 - R	Mortgage (2003122600539004)
12/16/2003 - D 07/16/2004 - R	UCC3 Amendment (2003122600461001)
10/07/2003 - D 07/04/2004 - R	Subordination of Mortgage (2003102101507001)

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R: Recorded date
D: Document date

Property Taxes for 42 East 20th Street #6a, New York

Access detailed property tax data for 42 East 20th Street #6a, New York, NY 10003. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year:	2025-2026
Property tax:	$42,372
Estimated property tax:	$43,980

Tax assessor's market value:	$983,958
Assessed value:	$442,781

More about New York City Property Taxes

Assessment History for 42 East 20th Street #6a, New York

Here's the assessment & property tax history for 42 East 20th Street #6a, New York, including the evolution of the total tax rate and corresponding property tax.

Year	Market value	Assessed value	Taxable	Tax rate %	Base tax	Property tax	Year over year change
2025/26	$983,958	$442,781	$411,195	12.439%	$51,149	$42,329	+1.00%
2024/25	$973,538	$438,092	$406,407	12.5%	$50,801	$41,909	+2.67%
2023/24	$950,316	$427,642	$394,203	12.502%	$49,283	$40,821	-12.51%
2022/23	$930,418	$418,688	$380,345	12.267%	$46,657	$46,657	+0.37%
2021/22	$938,209	$422,194	$379,936	12.235%	$46,485	$46,485	+4.20%

Permits for 42 East 20th Street #6a, New York

The complete history of permits filed for 42 East 20th Street #6a, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

No recorded permits for this property.

Flatiron District Residential Market Stats

Access a detailed real estate market overview of Flatiron District so you can assess current trends, home values, types of properties sold and transaction volume.
View the median home sale price in Flatiron District and compare it to other neighborhoods in Manhattan.

Median Sale Price

$2,695,000

93.5% YoY

Median Price/Sqft

$1,645

6.5% YoY

Manhattan Median Sale Price

$1,200,000

9.3% YoY

Check out recently sold homes in Manhattan and see how their prices compare.

Transportation

Distance to Subway

Closest station

Park Ave & 22nd St at SW Corner

Station lines

Distance (miles)

0.103

View subway map

Bus Routes
Name	Park Av S/E 21 St
Line	M2
Distance (miles)	0.083

Schools

Nearest elementary schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance to school (mi)
Ballet Tech Nyc Ps For Dance	10	No	Public	4-8	116	0.06
Ecole Internationale De New York - The Ecole	NR	No	Private	PK-8	214	0.14
Ecole Internationale De New York - The Ecole	NR	No	Private	PK-8	214	0.14
Success Academy Union Square	9	No	Charter	K-8	993	0.23
Epiphany Elementary School	NR	No	Private	PK, K-8	552	0.33

Nearest middle schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance to school (mi)
Ballet Tech Nyc Ps For Dance	10	No	Public	4-8	116	0.06
Ecole Internationale De New York - The Ecole	NR	No	Private	PK-8	214	0.14
School Of The Future High School	8	No	Public	6-12	730	0.17
Success Academy Union Square	9	No	Charter	K-8	993	0.23
The Clinton School	8	No	Public	6-12	786	0.26

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance to school (mi)
School Of The Future High School	8	No	Public	6-12	730	0.17
Academy for Software Engineering	5	No	Public	9-12	412	0.23
International High School at Union Square	2	No	Public	9-12	322	0.23
Union Square Academy For Health Sciences	5	No	Public	9-12	468	0.23
High School For Language And Diplomacy	4	No	Public	9-12	155	0.23

Neighbors for 42 East 20th Street #6a, New York

Here are the neighbors for 42 East 20th Street #6a, New York, NY 10003.

Address	Square feet	Purchase date	Purchase price
656 6th Ave, New York	22,000	03/25/2003
235 W 70th St, New York	44,975	02/08/1989
1708 Lexington Ave, New York	3,000	05/28/2004
509 E 12th St, New York	8,458	10/13/1998
332 E 54th St, New York	7,550	03/07/1984
435 Convent Ave, New York	44,268
233 E 86th St, New York	57,745	10/19/1983
103 W 138th St, New York		02/26/2004	$357,500
240 E 26th St, New York	5,200	08/27/1984
439 E 51st St, New York	73,095
880 5th Ave, New York	322,346
163 E 81st St, New York	59,149
1390 Lexington Ave, New York	4,180	03/25/2019
165 E 83rd St, New York	22,990	12/24/1986
210 W 103rd St, New York	37,572	02/10/1988
222 E 82nd St, New York	44,310	02/18/2004
527 W 143rd St, New York	29,520	02/14/1983
315 W 119th St, New York	5,020	02/13/1987
231 E 111th St, New York	9,751	02/28/2025	$3,400,000