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638 Classon Avenue, Brooklyn, NY 11238 Property Information

638 Classon Avenue, Brooklyn, NY 11238 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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638 Classon Avenue, Brooklyn, NY 11238 1
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Address

Primary address 638 Classon Avenue
Neighborhood Prospect Heights
Zip code 11238
Borough Brooklyn
Block & lot 01141-0045

Sales & Tax Overview for 638 Classon Avenue, Brooklyn

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Purchase date 10/31/2007
Purchase price $1,150,000
Tax class
Estimated property tax $21,258

Lot & Building Information for 638 Classon Avenue, Brooklyn

Lot sqft 2,875
Lot dimensions 28.75 ft x 100 ft
Building class Single or Multiple Dwelling with Stores or Offices (S9) i
Building sqft 7,190
Building dimensions 28.75 ft x 60 ft
Buildings on lot 1
Stories 4
Year built 1930
Construction type
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Zoning & Use for 638 Classon Avenue, Brooklyn

Zoning
Residential units (DOF) 6
Regulated units
Commercial units 2
Residential sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 17
Community district 8
Closest police station 0.79 Miles
Closest fire station 0.32 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 638 Classon Avenue, Brooklyn

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 638 Classon Avenue, Brooklyn, NY 11238, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for 638 Classon Avenue, Brooklyn, NY 11238, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 638 Classon Avenue, Brooklyn

How many sq. ft. does 638 Classon Avenue, Brooklyn, NY 11238 have & what is the price per sq. ft?

This Single or Multiple Dwelling with Stores or Offices (S9) located at 638 Classon Avenue, Brooklyn, NY 11238 has a total of 7,190 square feet and a current price per square foot of $159.

What is the year built & the current market value of 638 Classon Avenue, Brooklyn, NY 11238?

638 Classon Avenue, Brooklyn, NY 11238 was built in 1930 and has a current tax assessor's market value of $2,350,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 638 Classon Avenue, Brooklyn

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Property owner name for 638 Classon Avenue, Brooklyn, NY 11238
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Building contacts for 638 Classon Avenue, Brooklyn, NY 11238
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 638 Classon Avenue, Brooklyn

Create a free account to view the complete sales history for 638 Classon Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
10/31/2007 $1,150,000

Title Documents for 638 Classon Avenue, Brooklyn

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.

Date Type Amount Party 1 Party 2 Doc image
05/17/2022 - R Initial UCC1
(2022050401375006)
04/28/2022 - D
05/17/2022 - R
Assignment of Leases and Rents
(2022050401375005)
04/28/2022 - D
05/17/2022 - R
Agreement
(2022050401375004)
04/28/2022 - D
05/17/2022 - R
Mortgage
(2022050401375003)
04/28/2022 - D
05/17/2022 - R
Assignment, Mortgage
(2022050401375002)
04/28/2022 - D
05/17/2022 - R
Assignment, Mortgage
(2022050401375001)
04/26/2022 - D
05/17/2022 - R
Termination of Assign of L&R
(2022050401375007)
04/27/2017 - R Initial UCC1
(2017042700488004)
04/27/2017 - R Initial UCC1
(2017042700488002)
04/06/2017 - D
04/27/2017 - R
Mortgage
(2017042700488003)
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R: Recorded date
D: Document date

Property Taxes for 638 Classon Avenue, Brooklyn

Access detailed property tax data for 638 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: $17,747
Estimated property tax: $21,258
Tax assessor's market value: $2,350,000
Assessed value: $1,057,500
Exemptions granted by city:

Assessment History for 638 Classon Avenue, Brooklyn

Here's the assessment & property tax history for 638 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 $2,350,000 $1,057,500 $142,672 12.439% $20,202 $17,747 +24.93%
2024/25 $2,937,000 $1,321,650 $113,642 12.5% $18,797 $14,205 +29.06%
2023/24 $2,694,000 $1,212,300 $88,037 12.502% $17,408 $11,006 +165.16%
2022/23 $2,245,000 $1,010,250 $66,875 12.267% $16,126 $4,151 +91.19%
2021/22 $1,796,000 $808,200 $50,874 12.235% $16,084 $2,171 -63.17%

Permits for 638 Classon Avenue, Brooklyn

The complete history of permits filed for 638 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.

Filing date Job type Job status Job description Initial cost
09/29/2025 Alteration
09/09/2025 Alteration
12/20/2007 Alteration type 2
         
         
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Brooklyn Commercial Market Stats

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.

Median Price/Sqft Q3/2025
$495
3.7% YoY
Median Price/Sqft Q2/2025
$503
7% YoY
Median Price/Sqft 2024
$470
2.1% YoY

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Risk

FEMA flood zone(s): X (See more on map)

Transportation

Distance to Subway
Closest station Franklin Ave & Park Pl at NW Corner
Station lines FS
Distance (miles) 0.217
View subway map
Bus Routes
Name Classon Av/Bergen St
Line B48
Distance (miles) 0.024

Neighbors for 638 Classon Avenue, Brooklyn

Here are the neighbors for 638 Classon Avenue, Brooklyn, NY 11238.

Address Square feet Purchase date Purchase price
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
561 Grand Ave, Brooklyn 78,000 10/27/1995
642 Classon Ave, Brooklyn 1,824 04/07/2025 $1,550,000
843 Bergen St, Brooklyn 03/24/1982
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
868 Dean St, Brooklyn 3,874 08/12/1998
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
640 Classon Ave, Brooklyn 2,940 10/03/2012 $950,000
870 Dean St, Brooklyn 4,950 08/12/1998
644 Classon Ave, Brooklyn 1,824 06/18/2014 $5,942,670
652 Classon Ave, Brooklyn 4,777
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