| Primary address | 645 Union Street |
| Secondary address | 645-651 Union St |
| Neighborhood | Gowanus |
| Zip code | 11215 |
| Borough | Brooklyn |
| Block & lot | 00434-0049 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Purchase date | 01/31/2018 |
| Purchase price | $16,758,950 |
| Tax class | Register |
| Estimated property tax | $94,875 |
| Lot sqft | 9,500 |
| Lot dimensions | |
| Building class | Limited Service - Many Affiliated with National Chain (H3)
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| Building sqft | 22,805 |
| Building dimensions |
| Buildings on lot | 1 |
| Stories | 5 |
| Year built | 2015 |
| Construction type | Register |
| School district | 13 |
| Community district | 6 |
| Closest police station | 0.52 Miles |
| Closest fire station | 0.42 Miles |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
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You will find all alternate addresses for the property in this section.
This Limited Service - Many Affiliated with National Chain (H3) located at 645 Union Street, Brooklyn, NY 11215 has a total of 22,805 square feet and a current price per square foot of $734.
What is the year built & the current market value of 645 Union Street, Brooklyn, NY 11215?645 Union Street, Brooklyn, NY 11215 was built in 2015 and has a current tax assessor's market value of $7,616,000.
How many commercial spaces does this building have?This building has 76 commercial spaces available for lease.
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 645 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
*Here are the three most recent sales for this property.
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 645 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: | $78,298 |
| Estimated property tax: | $94,875 |
| Tax assessor's market value: | $7,616,000 |
| Assessed value: | $3,427,200 |
Here's the assessment & property tax history for 645 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 | $7,616,000 | $3,427,200 | $3,106,260 | 10.848% | $336,967 | $80,350 | -1.95% |
| 2024/25 | $7,531,000 | $3,388,950 | $3,230,190 | 10.762% | $347,633 | $81,946 | +9.02% |
| 2023/24 | $6,910,000 | $3,109,500 | $3,109,500 | 10.592% | $329,358 | $75,164 | -12.18% |
| 2022/23 | $6,330,000 | $2,848,500 | $2,848,500 | 10.646% | $303,251 | $85,591 | +8.52% |
| 2021/22 | $6,127,000 | $2,757,150 | $2,757,150 | 10.755% | $296,531 | $78,870 | -81.58% |
The complete history of permits filed for 645 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 Brooklyn so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Brooklyn and compare it to other boroughs in New York City.
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: | 4 (See more on map) |
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Distance to Subway
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| Closest station | 4th Ave & Union St at SW Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | R | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.044 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | 4 Av/Union St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B37 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.048 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here are the neighbors for 645 Union Street, Brooklyn, NY 11215.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 633 Union St, Brooklyn | 6,160 | 05/10/2007 | $1,150,000 |
| 359 Court St, Brooklyn | 4,400 | 09/15/2025 | |
| 639 Union St, Brooklyn | 6,160 | 06/21/2010 | $850,000 |
| 361 Court St, Brooklyn | 11,186 | 08/14/2019 | $8,700,000 |
| 630 Sackett St, Brooklyn | 5,700 | 08/30/2013 | $900,000 |
| 601 Union St, Brooklyn | 22,699 | 12/23/2024 | $29,400,000 |
| 637 Union St, Brooklyn | 2,660 | 03/20/2003 | $260,000 |
| 204 4th Ave, Brooklyn | 04/18/2023 | ||
| 357 Court St, Brooklyn | 4,400 | 09/19/2024 | |
| 654 Sackett St, Brooklyn | 2,898 | 12/26/2012 | $830,000 |
| 638 Sackett St, Brooklyn | 04/15/2018 | ||
| 643 Union St, Brooklyn | 11/12/1996 | ||
| 650 Sackett St, Brooklyn | 3,848 | 03/16/2012 | $1,400,000 |
| 353 Court St, Brooklyn | 4,200 | 10/29/2019 | |
| 644 Sackett St, Brooklyn | 1,575 | 04/23/2012 | $384,000 |
| 629 Union St, Brooklyn | 6,160 | 10/29/2024 | $1,700,000 |
| 355 Court St, Brooklyn | 5,203 | 04/11/2023 | $3,500,000 |
| 652 Sackett St, Brooklyn | 5,510 | 12/26/2012 | $830,000 |
| 625 Union St, Brooklyn | 39,780 | 12/09/2013 | $32,915,000 |
| 553 Union St, Brooklyn | 1,800 | 04/18/2018 |
