| Primary address | 670 Union Street #4a |
| Secondary address | 668-672 Union St |
| Neighborhood | Park Slope |
| Zip code | 11215 |
| Borough | Brooklyn |
| Block & lot | 00955-1208 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Lot sq. ft. | 6,668 |
| Property type | Condo - Residential Unit in Elevator Building (R4)
|
| Building sqft | 2,041 |
| Buildings on lot | 1 |
| Stories | 6 |
| Residential units (DOF) | 1 |
| School district | 13 |
| Community district | 6 |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
| Unit # | 4A |
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You will find all alternate addresses for the property in this section.
This Condo - Residential Unit in Elevator Building (R4) located at 670 Union Street #4a, Brooklyn, NY 11215 has a total of 2,041 square feet.
What is the assessed value of 670 Union Street #4a, Brooklyn, NY 11215 and the property tax paid?Assessed at $296,075, the tax amount paid for 670 Union Street #4a, Brooklyn, NY 11215 is $34,642.
When was 670 Union Street #4a, Brooklyn, NY 11215 last sold and what was the last sale price?670 Union Street #4a, Brooklyn, NY 11215 was last sold in 04/17/2026 for $3,850,000.
How many residential units does this building have?This building has 1 residential unit(s).
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Create a free account to view the complete sales history for 670 Union Street #4a, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
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R: Recorded date
D: Document date
Access detailed property tax data for 670 Union Street #4a, Brooklyn, NY 11215. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2026-2027 |
| Property tax: | $28,725 |
| Tax assessor's market value: | $657,945 |
| Assessed value: | $296,075 |
Here's the assessment & property tax history for 670 Union Street #4a, 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 | $633,985 | $285,293 | $271,814 | 12.439% | $33,811 | $27,865 | -1.04% |
| 2024/25 | $649,068 | $292,081 | $272,053 | 12.5% | $34,007 | $28,159 | +2.16% |
| 2023/24 | $622,750 | $280,238 | $266,168 | 12.502% | $33,276 | $27,562 | n/a |
The complete history of permits filed for 670 Union Street #4a, 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.
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|---|
| P.S. 282 Park Slope | 5 | No | Public | PK, K-5 | 496 | 0.20 |
| P.S. 282 Park Slope | 5 | No | Public | PK, K-5 | 496 | 0.20 |
| P.S. 372 The Children S School | NR | No | Public | PK, K-8 | 436 | 0.21 |
| P.S. 372 The Children S School | NR | No | Public | PK, K-8 | 436 | 0.21 |
| Rivendell School | NR | No | Private | PK-K | 103 | 0.23 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|---|
| P.S. 372 The Children S School | NR | No | Public | PK, K-8 | 436 | 0.21 |
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.26 |
| St Francis Xavier School | NR | No | Private | PK-8 | 175 | 0.28 |
| Park Slope Christian Academy | NR | No | Private | PK, K-8 | 37 | 0.29 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.31 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance (miles) |
|---|---|---|---|---|---|---|
| Berkeley Carroll Elementary School | NR | No | Private | PK-12 | 940 | 0.26 |
| P.S. 77 | NR | No | Public | K-12 | 304 | 0.31 |
| Al-Madinah School | NR | No | Private | PK-12 | 790 | 0.39 |
| Berkeley Carroll School | NR | No | Private | PK-12 | 977 | 0.40 |
| Brooklyn High School of the Arts | 5 | No | Public | 9-12 | 927 | 0.50 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 670 Union Street #4a, Brooklyn, NY 11215.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 119 Erasmus St, Brooklyn | 3,030 | ||
| 625 Driggs Ave, Brooklyn | 34,027 | ||
| 258 Winthrop St, Brooklyn | 7,251 | ||
| 488 Jamaica Ave, Brooklyn | 2,204 |
