| Primary address | 623 Union Avenue |
| Neighborhood | Williamsburg |
| Zip code | 11211 |
| Borough | Brooklyn |
| Block & lot | 02292-0017 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Purchase date | 04/14/2022 |
| Purchase price | $999,000 |
| Tax class | Register |
| Estimated property tax | $4,990 |
| Lot sqft | 1,517 |
| Lot dimensions | |
| Property type | Two Family Frame (B2)
|
| Building sqft | 2,048 |
| Building dimensions | |
| Buildings on lot | 1 |
| Stories | 2 |
| Structure type | Old style |
| Building material | Frame |
| Status | Register |
| Status date | Register |
| Exterior wall | Aluminum/vinyl |
| Basement type | Full |
| Year built | 1910 |
| Frontage(s) | Union Avenue (wide) |
| School district | 14 |
| Community district | 1 |
| Closest police station | 0.53 Miles |
| Closest fire station | 0.18 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:
623 Union Avenue, Brooklyn, NY 11211 was built in 1910 and has a total of 2,048 square feet.
What is the assessed value of 623 Union Avenue, Brooklyn, NY 11211 and the property tax paid?Assessed at $120,180, the tax amount paid for 623 Union Avenue, Brooklyn, NY 11211 is $4,990. For the next year, the tax amount for 623 Union Avenue, Brooklyn, NY 11211 is estimated at $4,990.
When was 623 Union Avenue, Brooklyn, NY 11211 last sold and what was the last sale price?623 Union Avenue, Brooklyn, NY 11211 was last sold in 04/14/2022 for $999,000.
How many residential units does this building have?This building has 2 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 623 Union Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 04/14/2022 | $999,000 | Register | Register |
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 623 Union Avenue, Brooklyn, NY 11211. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $4,990 |
| Estimated property tax: | $4,990 |
| Tax assessor's market value: | $2,003,000 |
| Assessed value: | $120,180 |
Here's the assessment & property tax history for 623 Union Avenue, 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 | $2,003,000 | $120,180 | $25,148 | 19.843% | $4,990 | $4,990 | -0.36% |
| 2024/25 | $1,763,000 | $105,780 | $24,936 | 20.085% | $5,008 | $5,008 | +5.94% |
| 2023/24 | $1,640,000 | $98,400 | $23,538 | 20.085% | $4,728 | $4,728 | +4.80% |
| 2022/23 | $1,705,000 | $102,300 | $22,213 | 20.309% | $4,511 | $4,511 | +7.82% |
| 2021/22 | $1,870,000 | $112,200 | $20,957 | 19.963% | $4,184 | $4,184 | -5.13% |
The complete history of permits filed for 623 Union Avenue, 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 Williamsburg so you can assess current trends, home values, types of properties sold and transaction volume.
View the median home sale price in Williamsburg 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): | AE (See more on map) |
| Hurricane evacuation zone: | 3 (See more on map) |
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Distance to Subway
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| Closest station | Driggs Ave & N 7th St at NE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | L | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.236 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | Driggs Av/N 11 St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B62 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.088 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| P.S. 17 Henry D Woodworth | 4 | Yes | Public | PK, K-5 | 202 | 0.35 |
| P.S. 17 Henry D Woodworth | 4 | Yes | Public | PK, K-5 | 202 | 0.35 |
| Northside Catholic Academy | NR | No | Private | PK, K-8 | 103 | 0.17 |
| Northside Catholic Academy | NR | No | Private | PK, K-8 | 103 | 0.17 |
| Citizens of the World Charter School 1 | NR | No | Charter | K-2 | 383 | 0.25 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Northside Catholic Academy | NR | No | Private | PK, K-8 | 103 | 0.17 |
| John Ericsson Middle School 126 | 5 | No | Public | 6-8 | 177 | 0.26 |
| Williamsburg Northside School | NR | No | Private | PK-8 | 372 | 0.29 |
| Conselyea Preparatory School | 7 | No | Public | 6-8 | 429 | 0.35 |
| St. Stanislaus Kostka School | NR | No | Private | PK, K-8 | 253 | 0.44 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| A-Tech High School | 3 | No | Public | 9-12 | 374 | 0.21 |
| Northside Charter High School | 3 | No | Charter | 9-12 | 401 | 0.26 |
| Williamsburg Preparatory School | 7 | No | Public | 9-12 | 687 | 0.28 |
| Williamsburg High School for Architecture and Design | 7 | No | Public | 9-12 | 598 | 0.28 |
| Brooklyn Preparatory High School | 5 | No | Public | 9-12 | 555 | 0.28 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 623 Union Avenue, Brooklyn, NY 11211.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 209 N 11th St, Brooklyn | 10,000 | 06/12/2023 | $12,869,036 |
| 119 N 11th St, Brooklyn | 30,000 | ||
| 621 Union Ave, Brooklyn | 4,125 | 04/14/2022 | $4,501,000 |
| 211 N 11th St, Brooklyn | 10,000 | 08/07/2008 | $2,600,000 |
| 55 Kent Ave, Brooklyn | 7,508 | 12/27/2006 | |
| 143 N 11th St, Brooklyn | 4,125 | 10/19/2005 | $1,100,000 |
| 104 Bedford Ave, Brooklyn | 6,500 | 01/19/2005 | |
| 65 Kent Ave, Brooklyn | 5,900 | 02/20/2025 | $5,500,000 |
| 232 N 12th St, Brooklyn | 8,437 | 11/22/2022 | $21,775,000 |
| 210 N 12th St, Brooklyn | 65,392 | 08/20/2014 | |
| 108 Bedford Ave, Brooklyn | 6,500 | 04/22/2022 | |
| 106 Bedford Ave, Brooklyn | 6,500 | 12/17/2018 | |
| 61 Kent Ave, Brooklyn | 08/16/2016 | $10 | |
| 619 Union Ave, Brooklyn | 3,750 | 02/02/2017 | $1,900,000 |
| 615 Union Ave, Brooklyn | 3,754 | 01/15/2013 | |
| 33-41 N 10th St, Brooklyn | 42,300 | 04/19/2017 | $160,000,000 |
| 228 N 12th St, Brooklyn | 5,280 | ||
| 433 Driggs Ave, Brooklyn | 17,700 | ||
| 141 N 11th St, Brooklyn | 3,750 | 09/10/2020 |
