| Primary address | 723 Union Street |
| Neighborhood | Park Slope |
| Zip code | 11215 |
| Borough | Brooklyn |
| Block & lot | 00952-0045 |
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 | $13,014 |
| Lot sqft | 1,615 |
| Lot dimensions | |
| Building class | Four Families (C3) |
| Building sqft | 4,080 |
| Building dimensions | |
| Buildings on lot | 1 |
| Stories | 4 |
| Structure type | Walk-up apartment |
| Building material | Stone |
| Year built | 1920 |
| Frontage(s) | Union Street (wide) |
| School district | 13 |
| Community district | 6 |
| Closest police station | 0.43 Miles |
| Closest fire station | 0.26 Miles |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:
723 Union Street, Brooklyn, NY 11215 was built in 1920 and has a total of 4,080 square feet.
What is the assessed value of 723 Union Street, Brooklyn, NY 11215 and the property tax paid?Assessed at $1,107,450, the tax amount paid for 723 Union Street, Brooklyn, NY 11215 is $12,050. For the next year, the tax amount for 723 Union Street, Brooklyn, NY 11215 is estimated at $13,014.
When was 723 Union Street, Brooklyn, NY 11215 last sold?723 Union Street, Brooklyn, NY 11215 was last sold in 01/28/2000.
How many residential units does this building have?This building has 4 residential unit(s).
View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.
Create a free account to view the complete sales history for 723 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
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.
R: Recorded date
D: Document date
Access detailed property tax data for 723 Union Street, Brooklyn, NY 11215. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $12,051 |
| Estimated property tax: | $13,014 |
| Tax assessor's market value: | $2,461,000 |
| Assessed value: | $1,107,450 |
Here's the assessment & property tax history for 723 Union Street, Brooklyn, 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 | $2,461,000 | $1,107,450 | $96,877 | 12.439% | $12,051 | $12,051 | -0.49% |
| 2024/25 | $2,050,800 | $922,860 | $96,877 | 12.5% | $12,110 | $12,110 | +7.95% |
| 2023/24 | $1,709,000 | $769,050 | $89,729 | 12.502% | $11,218 | $11,218 | +5.23% |
| 2022/23 | $1,673,000 | $752,850 | $86,901 | 12.267% | $10,660 | $10,660 | +8.26% |
| 2021/22 | $1,338,000 | $602,100 | $80,480 | 12.235% | $9,847 | $9,847 | +7.72% |
The complete history of permits filed for 723 Union Street, Brooklyn, 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.
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.
Check out recently sold homes in Brooklyn and see how their prices compare.
| FEMA flood zone(s): | X (See more on map) |
| Hurricane evacuation zone: | 5 (See more on map) |
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Distance to Subway
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| Closest station | 4th Ave & Union St at SE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | R | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.121 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | 5 Av/Union St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B63 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.032 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| P.S. 282 Park Slope | 5 | Yes | Public | PK, K-5 | 496 | 0.16 |
| P.S. 282 Park Slope | 5 | Yes | Public | PK, K-5 | 496 | 0.16 |
| P.S. 133 William A Butler | 6 | No | Public | PK, K-5 | 609 | 0.23 |
| P.S. 133 William A Butler | 6 | No | Public | PK, K-5 | 609 | 0.23 |
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.24 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.24 |
| P.S. 372 The Children S School | NR | No | Public | PK, K-8 | 436 | 0.24 |
| Park Slope Christian Academy | NR | No | Private | PK, K-8 | 37 | 0.25 |
| St Francis Xavier School | NR | No | Private | PK-8 | 175 | 0.26 |
| Ms 266 Park Place Community Middle School | 4 | No | Public | 6-8 | 69 | 0.27 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.24 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.27 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.37 |
| Al-Madinah School | NR | No | Private | PK-12 | 790 | 0.44 |
| Brooklyn High School of the Arts | 5 | No | Public | 9-12 | 927 | 0.48 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 723 Union Street, Brooklyn, NY 11215.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 717 Union St, Brooklyn | 2,232 | ||
| 198 5th Ave, Brooklyn | 4,296 | 08/05/2020 | $3,750,000 |
| 196 5th Ave, Brooklyn | 2,532 | 06/11/1997 | |
| 732 Sackett St, Brooklyn | 2,700 | 02/27/1993 | |
| 713 Union St, Brooklyn | 2,335 | 07/22/2019 | $2,580,000 |
| 705 Union St, Brooklyn | 2,160 | 10/07/2013 | $1,250,000 |
| 719 Union St, Brooklyn | 6,120 | 08/28/2025 | $4,000,000 |
| 194 5th Ave, Brooklyn | 2,982 | 06/11/1997 | |
| 721 Union St, Brooklyn | 6,120 | 04/09/1971 | |
| 711 Union St, Brooklyn | 5,964 | 03/12/2010 | $250,000 |
| 730 Sackett St, Brooklyn | 7,050 | 12/20/1990 | |
| 715 Union St, Brooklyn | 2,320 | 05/30/2007 | $1,430,000 |
| 204 5th Ave, Brooklyn | 3,300 | 03/29/2024 | $2,405,000 |
| 192 5th Ave, Brooklyn | 2,532 | 06/12/1997 | |
| 709 Union St, Brooklyn | 5,964 | 03/14/2019 | |
| 707 Union St, Brooklyn | 2,160 | 05/18/2018 | $2,200,000 |
| 707 A Union St, Brooklyn | 2,160 | 10/11/2006 | |
| 200 5th Ave, Brooklyn | 2,070 | 08/05/2020 | $3,750,000 |
| 202 5th Ave, Brooklyn | 3,300 | 03/29/2024 | $2,330,000 |
| 190 5th Ave, Brooklyn | 2,532 | 06/18/2015 | $2,750,000 |
