New York City  »  11215  »  Union St  »  910 Union St

Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 - Property report

Also known as: 910 Union St #1a

Property image for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215
static Mapbox map

Property type

Condo - Residential Unit in Elevator Building (R4)

Year built

1931

Lot sq. ft.

5,697

Sale price

$2,612,500

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Building name
Brooklyn Free Space
Primary address
Brooklyn Free Space - 910 Union Street #1a
ZIP code
11215
Neighborhood
Park Slope
Borough
Brooklyn
Block & lot
01066-1201

Owner

Find out who owns Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215. Uncover corporate and individual owners with a free account.

Building
Property type
Condo - Residential Unit in Elevator Building (R4)
Unit sq. ft.
1,905
Building dimensions
59 ft x 90 ft
Buildings on lot
1
Stories
7
Year built
1931
Sales
Sale date
10/25/2021
Sale price
$2,612,500
Tax
Tax year
2026-2027
Property tax
$19,305
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
15
Residential sq. ft.
Commercial units
1
Office sq. ft.
Retail sq. ft.
Lot
Distance to wide street
Lot dimensions
59 ft x 95 ft
Lot sq. ft.
5,697

Area overview

Walk score
96 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
89 /100.  Very Bikeable
School district
15
Community district
6

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215

Sale date Sale price Buyer name Seller name
10/25/2021 $2,612,500 XXXXXXXXX, XXXX XXX XXXXXXXXX, XXXXXXX XXXXXXXXXX, XXXXXX XXX XXXXXXXXXX, XXXX
05/14/2013 $2,339,784 XXXXXXXXXX, XXXXXX XXX XXXXXXXXXX, XXXX XXX XXXXX XXXXXX, XXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
11/29/2021 - R
10/25/2021 - D		 Power of Attorney
(2021111400046005)		 XXXXXXXXX XXXX XXXXX XX XXXXXXXX XX XXXX XXXXX XXXXXXXXXXX
11/29/2021 - R
10/25/2021 - D		 Agreement
(2021111400046004)		 XXXXXXXXX XXXX XXXXXXXX XXXX XX
11/29/2021 - R
10/25/2021 - D		 Mortgage
(2021111400046002)		 XXXXXXXXX XXXX XXXXXXXX XXXX XX
11/29/2021 - R
10/25/2021 - D		 Deed
(2021111400046001)		 XXXXXXXXXX XXXXXX XXXXXXXXX XXXX
11/29/2021 - R
09/21/2021 - D		 Assignment, Mortgage
(2021111400046003)		 XXXX XXXXXXXX XXXX X X
05/21/2020 - R
04/24/2020 - D		 Agreement
(2020052100162004)		 XXXXXXXXXX XXXXXX XXXX XX XXXXXXX X X
05/21/2020 - R
04/24/2020 - D		 Mortgage
(2020052100162003)		 XXXXXXXXXX XXXXXX XXXX XX XXXXXXX X X
05/21/2020 - R
04/24/2020 - D		 Assignment, Mortgage
(2020052100162002)		 XXXX XX XXXXXXX X X XXXX XX XXXXXXX X X
05/21/2020 - R
02/13/2020 - D		 Assignment, Mortgage
(2020052100162001)		 XXXXX XXXXX XXXX X X XXXX XX XXXXXXX X X
06/13/2017 - R
05/26/2017 - D		 Amended Condo Declaration
(2017061200163001)		 XXXX XXXXX XXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$19,305
Municipal exemptions
Recent tax assessments
Market value
$621,077
Assessed value
$279,485

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $566,301 $254,835 $119,414 12.439% $28,218 $14,854 +8.05%
2024/25 $538,711 $242,420 $109,979 12.5% $26,786 $13,747 +6.82%
2023/24 $499,844 $224,930 $102,938 12.502% $25,530 $12,869 +5.75%
2022/23 $484,934 $218,220 $99,207 12.267% $24,230 $12,170 +6.99%
2021/22 $430,761 $193,842 $92,972 12.235% $23,054 $11,375 -2.80%
2020/21 $481,007 $216,453 $95,395 12.267% $23,070 $11,702 +10.56%
2019/20 $453,216 $203,947 $84,859 12.473% $21,807 $10,584 +11.67%
2018/19 $425,626 $191,532 $75,155 12.612% $20,496 $9,479 +60.04%
2017/18 $383,839 $172,728 $46,564 12.719% $16,709 $5,922 +80.18%
2016/17 $345,979 $155,691 $25,496 12.892% $13,356 $3,287 +0.07%
Permits

Permit information for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY

No recently recorded permits for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations for this property.

Neighborhood

Park Slope residential market stats

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

Median sale price

$1,619,646

12.4% Y-o-Y

Median price/sq. ft.

$1,514

6.4% Y-o-Y

Brooklyn median sale price

$899,000

6% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
-

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Flatbush Ave & Plaza Street West at SW Corner
Station lines
2-3
Distance (miles)
0.161
View subway map

Access the detailed traffic volume map for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Schools

Nearest elementary schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
The Montessori School of New York - Brooklyn NR No Private PK, K-6 0 0.11
The Montessori School of New York - Brooklyn NR No Private PK, K-6 0 0.11
Poly Prep Lower School NR No Private PK-4 240 0.24
Poly Prep Lower School NR No Private PK-4 240 0.24
Poly Prep Lower School NR No Private 0 0.24
P.S. 321 William Penn 9 No Public K-5 1,216 0.38
P.S. 282 Park Slope 5 No Public PK, K-5 496 0.43
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Poly Prep Lower School NR No Private 0 0.24
Berkeley Carroll School NR No Private PK-12 977 0.25
Is 340 7 No Public 6-8 150 0.26
St Francis Xavier School NR No Private PK-8 175 0.31
Berkeley Carroll Elementary School NR No Private PK-12 940 0.35
Luria Academy of Brooklyn NR No Private PK-8 244 0.42
Park Slope Collegiate 4 No Public 6-12 577 0.44
P.S. 77 NR No Public K-12 304 0.49
Ms 266 Park Place Community Middle School 4 No Public 6-8 69 0.49
Elijah Stroud Middle School 5 No Public 6-8 121 0.54
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Poly Prep Lower School NR No Private 0 0.24
Berkeley Carroll School NR No Private PK-12 977 0.25
Berkeley Carroll Elementary School NR No Private PK-12 940 0.35
Cyberarts Studio Academy 2 No Public 9-12 298 0.44
John Jay School for Law 3 No Public 9-12 461 0.44
Park Slope Collegiate 4 No Public 6-12 577 0.44
Millennium Brooklyn High School 10 No Public 9-12 721 0.44
St Saviour High School NR No Private 9-12 400 0.49
P.S. 77 NR No Public K-12 304 0.49
Brooklyn Academy of Science and the Environment 3 No Public 9-12 265 0.55

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY

2166 Tilden Ave, Brooklyn 10504 Flatlands Ave, Brooklyn

Nearby ZIP codes for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY

10004, New York City, NY 10005, New York City, NY 10038, New York City, NY 10271, New York City, NY 11201, New York City, NY 11204, New York City, NY 11205, New York City, NY 11213, New York City, NY 11216, New York City, NY 11217, New York City, NY 11218, New York City, NY 11219, New York City, NY 11220, New York City, NY 11225, New York City, NY 11226, New York City, NY 11228, New York City, NY 11230, New York City, NY 11231, New York City, NY 11232, New York City, NY 11238, New York City, NY

Frequently asked questions

What is the year built for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215?

The development at Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 was built in 1931.

What is the total square footage of Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215?

Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 has a total of 1,905 square feet.

When was Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 last sold and what was the sale price?

Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 was last sold on 10/25/2021 for $2,612,500.

What is the assessed value of Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215?

Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 is currently assessed at $279,485.

What are the property taxes for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215?

The property taxes for Brooklyn Free Space - 910 Union Street #1a, Brooklyn, NY 11215 total $19,304.

How many residential units does this building have?

This building has 15 residential unit(s).

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