| Primary address | 821 A Union Street |
| Neighborhood | Park Slope |
| Zip code | 11215 |
| Borough | Brooklyn |
| Block & lot | 00954-0061 |
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 | $13,067 |
| Lot sqft | 2,025 |
| Lot dimensions | |
| Building class | Walk-up Cooperative Building (Other than Condominiums) (XC6)
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| Building sqft | 5,940 |
| Building dimensions | |
| Buildings on lot | 1 |
| Stories | 4 |
| Year built | 1920 |
| Frontage(s) | Union Street (wide) |
| School district | 13 |
| Community district | 6 |
| Closest police station | 0.40 Miles |
| Closest fire station | 0.02 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:
821 A Union Street, Brooklyn, NY 11215 was built in 1920 and has a total of 5,940 square feet.
What is the assessed value of 821 A Union Street, Brooklyn, NY 11215 and the property tax paid?Assessed at $1,235,700, the tax amount paid for 821 A Union Street, Brooklyn, NY 11215 is $16,481. For the next year, the tax amount for 821 A Union Street, Brooklyn, NY 11215 is estimated at $13,067.
When was 821 A Union Street, Brooklyn, NY 11215 last sold?821 A Union Street, Brooklyn, NY 11215 was last sold in 01/27/1982.
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 821 A 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 821 A 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: | $11,850 |
| Estimated property tax: | $13,067 |
| Tax assessor's market value: | $2,746,000 |
| Assessed value: | $1,235,700 |
Here's the assessment & property tax history for 821 A 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 | $2,746,000 | $1,235,700 | $132,496 | 12.439% | $16,481 | $11,827 | -0.67% |
| 2024/25 | $3,432,000 | $1,544,400 | $132,496 | 12.5% | $16,562 | $11,907 | +4.15% |
| 2023/24 | $2,860,000 | $1,287,000 | $126,265 | 12.502% | $15,786 | $11,433 | +6.57% |
| 2022/23 | $2,810,000 | $1,264,500 | $117,543 | 12.267% | $14,419 | $10,728 | +14.03% |
| 2021/22 | $3,093,000 | $1,391,850 | $107,060 | 12.235% | $13,391 | $9,408 | -22.94% |
The complete history of permits filed for 821 A 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) |
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Distance to Subway
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| Closest station | Flatbush Ave & Park Pl at SW Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | B-Q | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.251 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | 7 Av/Union St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B67 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.07 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 0.11 |
| P.S. 282 Park Slope | 5 | Yes | Public | PK, K-5 | 496 | 0.11 |
| St Francis Xavier School | NR | No | Private | PK-8 | 175 | 0.06 |
| St Francis Xavier School | NR | No | Private | PK-8 | 175 | 0.06 |
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.10 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| St Francis Xavier School | NR | No | Private | PK-8 | 175 | 0.06 |
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.10 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.14 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.25 |
| Ms 266 Park Place Community Middle School | 4 | No | Public | 6-8 | 69 | 0.25 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.10 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.14 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.25 |
| Millennium Brooklyn High School | 10 | No | Public | 9-12 | 721 | 0.42 |
| John Jay School for Law | 3 | No | Public | 9-12 | 461 | 0.42 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 821 A Union Street, Brooklyn, NY 11215.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 174 St Johns Pl, Brooklyn | 3,780 | 10/19/2010 | |
| 763 President St, Brooklyn | 10,150 | ||
| 566 Carroll St, Brooklyn | 3,007 | 06/05/2024 | $4,200,000 |
| 223 5th Ave, Brooklyn | 12,240 | 07/19/2021 | $4,190,000 |
| 170 St Johns Pl, Brooklyn | 3,780 | 10/19/2010 | |
| 219 5th Ave, Brooklyn | 9,100 | 11/26/2013 | $4,000,000 |
| 206 5th Ave, Brooklyn | 4,140 | 10/27/2000 | |
| 48 Lincoln Pl, Brooklyn | 407 | ||
| 129 Berkeley Pl, Brooklyn | 4,537 | ||
| 179 6th Ave, Brooklyn | 3,528 | 07/01/2008 | |
| 211 5th Ave, Brooklyn | 2,364 | ||
| 230 5th Ave, Brooklyn | 5,160 | 10/28/2004 | $1,800,000 |
| 204 6th Ave, Brooklyn | 5,168 | 10/11/2023 | |
| 2 Lincoln Pl, Brooklyn | 10,032 | 10/06/2021 | $933,520 |
| 799 President St, Brooklyn | 4,455 | 10/19/1983 | |
| 543 Carroll St, Brooklyn | 14,250 | 02/24/1995 | |
| 140 A 7th Ave, Brooklyn | |||
| 22 Lincoln Pl, Brooklyn | 8,960 | 02/28/1986 | |
| 176 St Johns Pl, Brooklyn | 3,495 | 10/19/2010 |
