| Primary address | 829 Union Street |
| Neighborhood | Park Slope |
| Zip code | 11215 |
| Borough | Brooklyn |
| Block & lot | 00954-0057 |
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 | $13,149 |
| Lot sqft | 1,800 |
| Lot dimensions | |
| Building class | Four Families (C3) |
| Building sqft | 4,800 |
| 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 | 0.40 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:
829 Union Street, Brooklyn, NY 11215 was built in 1920 and has a total of 4,800 square feet.
What is the assessed value of 829 Union Street, Brooklyn, NY 11215 and the property tax paid?Assessed at $1,316,700, the tax amount paid for 829 Union Street, Brooklyn, NY 11215 is $12,175. For the next year, the tax amount for 829 Union Street, Brooklyn, NY 11215 is estimated at $13,149.
When was 829 Union Street, Brooklyn, NY 11215 last sold?829 Union Street, Brooklyn, NY 11215 was last sold in 02/28/2020.
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 829 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 829 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: | $12,176 |
| Estimated property tax: | $13,149 |
| Tax assessor's market value: | $2,926,000 |
| Assessed value: | $1,316,700 |
Here's the assessment & property tax history for 829 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 | $2,926,000 | $1,316,700 | $97,885 | 12.439% | $12,176 | $12,176 | -0.49% |
| 2024/25 | $2,812,000 | $1,265,400 | $97,885 | 12.5% | $12,236 | $12,236 | +3.30% |
| 2023/24 | $2,390,000 | $1,075,500 | $94,745 | 12.502% | $11,845 | $11,845 | +10.00% |
| 2022/23 | $2,270,000 | $1,021,500 | $87,780 | 12.267% | $10,768 | $10,768 | +8.23% |
| 2021/22 | $2,500,000 | $1,125,000 | $81,315 | 12.235% | $9,949 | $9,949 | +7.71% |
The complete history of permits filed for 829 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) | 0.245 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | 7 Av/Union St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B67 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.058 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 0.13 |
| P.S. 282 Park Slope | 5 | Yes | Public | PK, K-5 | 496 | 0.13 |
| 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 | 0.11 |
| 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 | 0.11 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.13 |
| Ms 266 Park Place Community Middle School | 4 | No | Public | 6-8 | 69 | 0.25 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 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 | 0.11 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.13 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.25 |
| Millennium Brooklyn High School | 10 | No | Public | 9-12 | 721 | 0.42 |
| Park Slope Collegiate | 4 | No | Public | 6-12 | 577 | 0.42 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 829 Union Street, Brooklyn, NY 11215.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 827 Union St, Brooklyn | 4,800 | 08/03/1978 | |
| 817 Union St, Brooklyn | 2,700 | 10/31/2019 | |
| 811 Union St, Brooklyn | 4,320 | 01/15/1987 | |
| 823 Union St, Brooklyn | 2,736 | 05/30/2003 | |
| 815 Union St, Brooklyn | 2,700 | 05/05/1988 | |
| 809 Union St, Brooklyn | 4,880 | 01/14/2000 | |
| 80 7th Ave, Brooklyn | 4,786 | 10/31/2024 | $3,650,000 |
| 847 Union St, Brooklyn | 15,500 | 03/12/2003 | |
| 807 Union St, Brooklyn | 4,860 | 03/29/2025 | |
| 837 Union St, Brooklyn | 8,356 | 10/11/2023 | |
| 90 7th Ave, Brooklyn | 9,000 | 01/07/2005 | |
| 82 7th Ave, Brooklyn | 4,000 | 07/01/2022 | |
| 831 Union St, Brooklyn | 4,800 | 01/09/2009 | |
| 825 Union St, Brooklyn | 4,800 | 10/10/2008 | $1,780,000 |
| 821 Union St, Brooklyn | 5,940 | 12/07/2021 | $10 |
| 819 Union St, Brooklyn | 3,580 | 07/18/2000 | |
| 84 7th Ave, Brooklyn | 3,995 | 06/22/2007 | $875,000 |
| 833 Union St, Brooklyn | 5,076 | 02/20/2015 | $2,686,000 |
| 835 Union St, Brooklyn | 3,910 | 02/16/2011 | |
| 86 7th Ave, Brooklyn | 4,280 | 02/16/2024 |
