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577 Union Avenue, Brooklyn, NY 11211 Property Information

577 Union Avenue, Brooklyn, NY 11211 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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577 Union Avenue, Brooklyn, NY 11211 1
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Address

Primary address 577 Union Avenue
Neighborhood Williamsburg
Zip code 11211
Borough Brooklyn
Block & lot 02300-0018

Sales & Tax Overview for 577 Union Avenue, Brooklyn

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

Tax class
Estimated property tax $3,394

Lot & Building Information for 577 Union Avenue, Brooklyn

Lot sqft 1,716
Lot dimensions 21.08 ft x 54.33 ft
Property type Primarily One Family with One Store or Office (S1)
Building sqft 1,904
Building dimensions 21.08 ft x 54.33 ft
Buildings on lot 1
Stories 2
Year built 1920
Construction type
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Zoning & Use for 577 Union Avenue, Brooklyn

Zoning
Residential units (DOF) 1
Commercial units 1
Residential sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 14
Community district 1
Closest police station 0.62 Miles
Closest fire station 0.18 Miles

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

Other Property Data for 577 Union 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 577 Union Avenue, Brooklyn, NY 11211, 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 577 Union Avenue, Brooklyn, NY 11211, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 577 Union Avenue, Brooklyn

How many square feet does 577 Union Avenue, Brooklyn, NY 11211 have?

This Primarily One Family with One Store or Office (S1) located at 577 Union Avenue, Brooklyn, NY 11211 has a total of 1,904 square feet.

What is the year built & the current market value of 577 Union Avenue, Brooklyn, NY 11211?

577 Union Avenue, Brooklyn, NY 11211 was built in 1920 and has a current tax assessor's market value of $1,185,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 577 Union Avenue, Brooklyn

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Property owner name for 577 Union Avenue, Brooklyn, NY 11211
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Building contacts for 577 Union Avenue, Brooklyn, NY 11211
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
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Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
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Past Sales & Property History for 577 Union Avenue, Brooklyn

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No recorded sales for this property.

Title Documents for 577 Union 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
06/12/2024 - D
07/24/2024 - R
Deed
(2024071700266001)
10/08/2020 - D
10/23/2020 - R
Deed
(2020102000887001)
03/10/2006 - D
04/12/2006 - R
Satisfaction of Mortgage
(2006032201024001)
05/05/1997 - R Agreement
(3550005599255)
05/05/1997 - R Mortgage
(3420005599242)
01/11/1990 - R Mortgage
(3960001510096)
12/20/1989 - D
01/11/1990 - R
Deed
(3950001510095)
07/08/1969 - D
07/08/1969 - R
Mortgage
(36930034600407)
07/08/1969 - D
07/08/1969 - R
Deed
(36930034600405)
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R: Recorded date
D: Document date

Property Taxes for 577 Union Avenue, Brooklyn

Access detailed property tax data for 577 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: $3,395
Estimated property tax: $3,394
Tax assessor's market value: $1,185,000
Assessed value: $71,100

Assessment History for 577 Union Avenue, Brooklyn

Here's the assessment & property tax history for 577 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 $1,185,000 $71,100 $17,107 19.843% $3,395 $3,395 -0.44%
2024/25 $936,000 $56,160 $16,976 20.085% $3,410 $3,410 +5.99%
2023/24 $827,000 $49,620 $16,016 20.085% $3,217 $3,217 +4.83%
2022/23 $649,000 $38,940 $15,110 20.309% $3,069 $3,069 +7.82%
2021/22 $556,000 $33,360 $14,256 19.963% $2,846 $2,846 -5.14%

Permits for 577 Union Avenue, Brooklyn

The complete history of permits filed for 577 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.

Filing date Job type Job status Job description Initial cost
10/05/2007 Alteration type 2
01/14/2003 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 Q1/2026
$426
-10.8% YoY
Median Price/Sqft Q4/2025
$493
11.7% YoY
Median Price/Sqft 2025
$492
6.6% YoY

Check out recently sold homes in Brooklyn and see how their prices compare.

Risk

FEMA flood zone(s): AE (See more on map)
Hurricane evacuation zone: 3 (See more on map)

Transportation

Distance to Subway
Closest station Driggs Ave & N 7th St at NE Corner
Station lines L
Distance (miles) 0.206
View subway map
Bus Routes
Name Lorimer St/Frost St
Line B48
Distance (miles) 0.133

Neighbors for 577 Union Avenue, Brooklyn

Here are the neighbors for 577 Union Avenue, Brooklyn, NY 11211.

Address Square feet Purchase date Purchase price
69 N 9th St, Brooklyn 35,716 02/18/2022
96 N 10th St, Brooklyn 38,028 02/14/2019 $23,000,000
579 Union Ave, Brooklyn 1,280 04/13/1998
591 Union Ave, Brooklyn 1,400 10/29/2002 $200,000
120 Wythe Ave, Brooklyn 3,218 03/17/2025 $4,350,000
595 Union Ave, Brooklyn 3,135 03/23/2021
567 Union Ave, Brooklyn 4,275 12/07/2017
86 Kent Ave, Brooklyn 12,447 12/08/2008 $1
61 N 9th St, Brooklyn 10,000 12/03/2021 $9,250,000
236 N 11th St, Brooklyn 7,480 10/09/2013 $3,400,000
177 N 10th St, Brooklyn 20,000 04/30/2025
32 N 10th St, Brooklyn 1,000 03/08/2002
73 Kent Ave, Brooklyn 25,520 02/23/2022
67 Kent Ave, Brooklyn 105,510 02/16/2022
55 N 9th St, Brooklyn 13,604 09/29/2022 $4,894,375
583 Union Ave, Brooklyn 1,360 08/31/2006
589 Union Ave, Brooklyn 1,400 11/30/2020 $10
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