Welcome to this charming three-family brownstone, ideally situated in the highly sought-after Park Slope neighborhood of Brooklyn, NY 11215. This beautifully renovated 4-story brownstone boasts three spacious apartments, making it a perfect investment opportunity or a lovely residence for an owner-occupant. Property Features: - Units: The property consists of three well-appointed apartments: - Owner's Unit: The first and second floors are combined into one expansive unit, currently occupied by the owner. - Tenant-Occupied Units: The second unit is on the third floor, occupied by excellent tenants on a year-to-year lease. The third unit is located on the fourth floor and also has reliable tenants on a year-to-year lease. - Renovations: The entire property has been thoughtfully renovated inside and out, ensuring modern amenities while maintaining the classic charm of a brownstone. - Location: Nestled in the heart of Brooklyn, this home offers unparalleled access to local attractions: - Just a short distance to the Barclays Center. - Surrounded by a variety of shopping and dining options. - Convenient access to public transportation: - minutes to the following stations -R train at Union St station. - B & Q trains at 7th Avenue station. - 2 & 3 trains at Grand Army Plaza station. - Atlantic Ave-Barclays Center station for additional B & Q train access. Viewing Information: Just so you know, the property is currently occupied, and viewings can only be scheduled by appointment. The home is being sold as-is, with no warranties or representations. This is a rare opportunity to invest in a prime location in Park Slope, Brooklyn. Don’t miss your chance to own a piece of this vibrant neighborhood!
Active
Price cut: $1M (6/16)
$4,500,000
819 Union St, Brooklyn, NY 11215
6beds
3,580sqft
Multi Family
Built in 1901
-- sqft lot
$3,293,100 Zestimate®
$1,257/sqft
$-- HOA
What's special
Modern amenitiesExpansive unitSpacious apartmentsWell-appointed apartments
- 263 days |
- 446 |
- 9 |
Zillow last checked:
Listing updated:
Listed by:
Brooklyn Real Property Inc 646-660-3585,
John H Johnson Jr
Source: StreetEasy,MLS#: S1796063
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 4
- Full bathrooms: 4
Features
- Has fireplace: No
Interior area
- Total structure area: 3,580
- Total interior livable area: 3,580 sqft
Property
Details
- Parcel number: 009540063
- Special conditions: Resale
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family
Condition
- Year built: 1901
Community & HOA
Community
- Subdivision: Park Slope
Location
- Region: Brooklyn
Financial & listing details
- Price per square foot: $1,257/sqft
- Tax assessed value: $4,557,000
- Annual tax amount: $10,480
- Date on market: 10/17/2025
Estimated market value
$3,293,100
$3.13M - $3.46M
$7,491/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/16/2026 | Price change | $3,500,000-22.2%$978/sqft |
Source: | ||
| 2/27/2026 | Price change | $4,500,000+28.6%$1,257/sqft |
Source: | ||
| 10/16/2025 | Listed for sale | $3,500,000$978/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $10,480 +4.6% | $273,420 +8.3% |
| 2024 | $10,017 | $252,360 -4.6% |
| 2023 | -- | $264,540 +9.5% |
| 2022 | -- | $241,620 +18% |
| 2021 | -- | $204,720 -2.3% |
| 2020 | $9,020 +6.1% | $209,580 -4.2% |
| 2019 | $8,501 +3.1% | $218,760 +455.1% |
| 2018 | $8,245 +4% | $39,412 +1.4% |
| 2017 | $7,924 +12.8% | $38,874 +5.9% |
| 2016 | $7,026 | $36,694 +0% |
| 2015 | $7,026 +67.1% | $36,676 +5.9% |
| 2014 | $4,203 | $34,634 +5.5% |
| 2013 | -- | $32,844 +1.4% |
| 2012 | -- | $32,395 +5.9% |
| 2011 | -- | $30,579 +0% |
| 2010 | -- | $30,564 +5.9% |
| 2009 | -- | $28,862 +5.5% |
| 2008 | -- | $27,370 +1.4% |
| 2007 | -- | $26,996 +5.9% |
| 2006 | -- | $25,483 +0.1% |
| 2005 | -- | $25,470 +5.9% |
| 2004 | -- | $24,052 +5.4% |
| 2003 | -- | $22,809 +1.4% |
| 2002 | -- | $22,497 +5.9% |
| 2001 | -- | $21,236 +0.1% |
| 2000 | -- | $21,225 |
Find assessor info on the county website
Monthly payment
Estimated monthly payment$1,822
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: Park Slope
Nearby schools
GreatSchools rating
- 7/10Ps 282 Park SlopeGrades: PK-5Distance: 0.1 mi
- 7/10Ms 266 Park Place Community Middle SchoolGrades: 6-8Distance: 0.2 mi
- 6/10GOTHAM PROFESSIONAL ARTS ACADEMYGrades: 9-12Distance: 0.8 mi
A local agent can set up tours, give advice and negotiate with sellers.






