| Primary address | 644 Classon Avenue |
| Neighborhood | Prospect Heights |
| Zip code | 11238 |
| Borough | Brooklyn |
| Block & lot | 01141-0049 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Purchase date | 06/18/2014 |
| Purchase price | $5,942,670 |
| Tax class | Register |
| Lot sqft | 1,958 |
| Lot dimensions | |
| Building class | Two Family Brick (B1) |
| Building sqft | 1,824 |
| Building dimensions | |
| Buildings on lot | 1 |
| Stories | 3 |
| Structure type | Row |
| Building material | Brick |
| Exterior wall | Brick/masonry |
| Basement type | Part |
| Year built | 1920 |
| Frontage(s) | Classon Avenue (narrow) |
| Nearest wide street | St Marks Avenue |
| Distance to wide street | Register |
| School district | 17 |
| Community district | 8 |
| Closest police station | 0.79 Miles |
| Closest fire station | 0.31 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:
644 Classon Avenue, Brooklyn, NY 11238 was built in 1920 and has a total of 1,824 square feet.
What is the assessed value of 644 Classon Avenue, Brooklyn, NY 11238?The assessed market value for the current tax year is $91,560.
When was 644 Classon Avenue, Brooklyn, NY 11238 last sold and what was the last sale price?644 Classon Avenue, Brooklyn, NY 11238 was last sold in 06/18/2014 for $5,942,670.
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 644 Classon Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
| Purchase date | Purchase price | Buyer name | Seller name |
|---|---|---|---|
| 06/18/2014 | $5,942,670 | 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 644 Classon Avenue, Brooklyn, NY 11238. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $0 |
| Tax assessor's market value: | $1,526,000 |
| Assessed value: | $91,560 |
| Exemptions granted by city: | Register |
Here's the assessment & property tax history for 644 Classon 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 | $1,526,000 | $91,560 | $0 | 19.843% | $6,320 | $0 | n/a |
| 2024/25 | $1,500,000 | $90,000 | $0 | 20.085% | $6,348 | $0 | n/a |
| 2023/24 | $1,685,000 | $101,100 | $0 | 20.085% | $5,989 | $0 | n/a |
| 2022/23 | $1,846,000 | $110,760 | $0 | 20.309% | $5,714 | $0 | n/a |
| 2021/22 | $1,425,000 | $85,500 | $0 | 19.963% | $5,299 | $0 | n/a |
The complete history of permits filed for 644 Classon 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 Prospect Heights so you can assess current trends, home values, types of properties sold and transaction volume.
View the median home sale price in Prospect Heights 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 | Franklin Ave & Park Pl at NW Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | FS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.207 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | Classon Av/Bergen St | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | B48 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.019 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Brooklyn Arts and Science Elementary School | 4 | Yes | Public | PK, K-5 | 275 | 0.08 |
| Brooklyn Arts and Science Elementary School | 4 | Yes | Public | PK, K-5 | 275 | 0.08 |
| Explore Exceed Charter School | 6 | No | Charter | K-8 | 429 | 0.08 |
| P.S. 316 Elijah Stroud | 8 | No | Public | PK, K-5 | 550 | 0.23 |
| P.S. 316 Elijah Stroud | 8 | No | Public | PK, K-5 | 550 | 0.23 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| Ebbetts Field Middle School | 6 | Yes | Public | 6-8 | 123 | 0.90 |
| Explore Exceed Charter School | 6 | No | Charter | K-8 | 429 | 0.08 |
| Elijah Stroud Middle School | 5 | No | Public | 6-8 | 121 | 0.23 |
| Bethel Elementary School | NR | No | Private | PK-8 | 34 | 0.28 |
| Brooklyn Jesuit Prep School | NR | No | Private | 5-8 | 87 | 0.29 |
| Name | Rating | Att. zoned | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|---|
| GOTHAM PROFESSIONAL ARTS ACADEMY | NR | No | Public | 9-12 | 217 | 0.14 |
| Acorn Community High School | NR | No | Public | 9-12 | 107 | 0.14 |
| Gotham Professional Arts Academy | NR | No | Public | 9-12 | 179 | 0.14 |
| International High School at Prospect Heights | 1 | No | Public | 9-12 | 272 | 0.56 |
| Brooklyn School For Music And Theater | 4 | No | Public | 9-12 | 223 | 0.56 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 644 Classon Avenue, Brooklyn, NY 11238.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 827 Bergen St, Brooklyn | 06/02/2025 | ||
| 650 Classon Ave, Brooklyn | 1,728 | 02/06/1974 | |
| 916 Dean St, Brooklyn | 2,750 | 12/23/1999 | |
| 845 Bergen St, Brooklyn | 04/07/1983 | ||
| 839 Bergen St, Brooklyn | 02/09/1983 | ||
| 908 Dean St, Brooklyn | 25,480 | 12/23/1999 | |
| 843 Bergen St, Brooklyn | 03/24/1982 | ||
| 642 Classon Ave, Brooklyn | 1,824 | 04/07/2025 | $1,550,000 |
| 634 Classon Ave, Brooklyn | 6,250 | 06/24/2021 | $22,072,796 |
| 924 Dean St, Brooklyn | 4,330 | 09/01/2004 | $145,000 |
| 646 Classon Ave, Brooklyn | 4,600 | 08/28/1991 | |
| 837 Bergen St, Brooklyn | 5,500 | 12/15/2011 | |
| 813 Bergen St, Brooklyn | 30,800 | 01/20/2020 | $4,746,875 |
| 636 Classon Ave, Brooklyn | 4,320 | 08/28/1991 | |
| 892 Dean St, Brooklyn | 35,556 | 12/23/1999 | |
| 876 Dean St, Brooklyn | 388 | 01/20/2020 | $4,746,875 |
| 831 Bergen St, Brooklyn | 4,950 | 04/27/2000 | |
| 640 Classon Ave, Brooklyn | 2,940 | 10/03/2012 | $950,000 |
| 652 Classon Ave, Brooklyn | 4,777 | ||
| 638 Classon Ave, Brooklyn | 7,190 | 10/31/2007 | $1,150,000 |
