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Off market
  • $5,898,000

    828 Union St, Brooklyn, NY 11215

    5beds
    4,120sqft
    Apartment
    Built in ----
    -- sqft lot
    $5,898,000 Zestimate®
    $1,432/sqft
    $7,997 Estimated rent

    Home value

    $5,898,000

    $5.19M - $6.66M

    $7,997/mo

    Zestimate® history
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    $7,997/mo

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    Rent Zestimate®

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    $35,136/mo

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    $35,136/mo

    Est. payment

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    What's special

    828 Union Street is a grand single-family brownstone on a serene, tree-lined block in the heart of prime Park Slope. Spanning 4,120 square feet across four stories, with a 20-foot width and ceilings up to 12 feet, this 5 Bedrooms and four bathroom home strikes a rare balance between period grandeur and premium renovations while offering an oasis of privacy, quiet, and calm. Stunning historical details abound throughout intricate moldings, an antique coal stove, and a stunning stained glass skylight crowning the top of the stairwell. The parlor floor is particularly spectacular, with its original stained glass sliding door, Asian-inspired decorative hinge plates, fully functional pocket doors, and a 32-foot living room that flows into an additional grand living area at the rear. The kitchen is outfitted with a bespoke Space Theory kitchen by Henrybuilt, a Wolf stove and range, Viking dishwasher, Sub-Zero refrigerator, and radiant floor heating. A custom walnut banquette anchors the dining area, and generous storage including a full-size pantry and mudroom keeps things effortlessly organized. The kitchen opens directly to a sunny, south-facing backyard stretching 35 feet deep, with a Weber gas grill ready for entertaining. All bathrooms have been thoughtfully renovated throughout. The primary bathroom features a frameless three-panel glass shower enclosure, Roc-Base Centro Quartz shower base, West Elm vanity, Toto toilet, and a defogging dimmable mirrored cabinet with outlets and USB ports. Additional bathrooms include a Kohler deep soak tub, a skylight, and consistent high-spec finishes. Zoned for PS 321, this gem is located just one and a half blocks from Prospect Park and a half block from the Park Slope Food Coop and Velvet Black, 828 Union Street offers the best of Prime Park Slope living an exceptional park, fine dining, The Brooklyn Museum and Brooklyn Library with easy access to Manhattan via the 2,3, Q, and B lines. Available unfurnished for a one year term with option to renew beginning at the end of July. Call today to schedule your private viewing!

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Zillow last checked:

    Listing updated:

    Source: Zillow Rentals

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    Heating
    • Fireplace
    Appliances
    • Included: Dishwasher, Dryer, Washer
    • Laundry: In Unit
    Features
    • View
    • Flooring: Hardwood
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 4,120 sqft

    Property

    Parking
    • Details: Contact manager
    Features
    • Exterior features: Broker Exclusive, Fios Available, Garden, Smoke Free
    • Has view: Yes
    • View description: City View
    Details
    • Parcel number: 010650010

    Construction

    Type & style
    • Home type: Apartment
    • Property subtype: Apartment

    Community & neighborhood

    Community
    • Community features: Smoke Free
    Location
    • Region: Brooklyn

    Other

    Other facts
    • Available date: 07/25/2026

    Price history

    DateEventPrice
    5/10/2026Listing removed$20,000$5/sqft
    Source: Zillow Rentals Report a problem
    4/14/2026Listed for rent$20,000+344.4%$5/sqft
    Source: Zillow Rentals Report a problem
    6/17/2022Sold$4,750,000+10.5%$1,153/sqft
    Source: Public Record Report a problem
    4/6/2022Pending sale$4,300,000$1,044/sqft
    Source: StreetEasy Report a problem
    3/23/2022Listed for sale$4,300,000+22.9%$1,044/sqft
    Source: StreetEasy Report a problem
    6/2/2015Sold$3,500,000-2.7%$850/sqft
    Source: Public Record Report a problem
    1/29/2015Pending sale$3,598,000$873/sqft
    Source: Douglas Elliman #1907839 Report a problem
    1/29/2015Listed for sale$3,598,000$873/sqft
    Source: Douglas Elliman #1907839 Report a problem
    11/26/2014Pending sale$3,598,000$873/sqft
    Source: Douglas Elliman #1907839 Report a problem
    10/10/2014Price change$3,598,000-3%$873/sqft
    Source: Douglas Elliman #1907839 Report a problem
    9/5/2014Listed for sale$3,710,000$900/sqft
    Source: Douglas Elliman Report a problem
    7/3/2014Listing removed$4,500$1/sqft
    Source: Ideal Properties Group Report a problem
    6/9/2014Listed for rent$4,500$1/sqft
    Source: Ideal Properties Group Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$12,798 +4%$282,660 +3.5%
    2024$12,306 $273,060 -5.2%
    2023-- $288,120 +2.6%
    2022-- $280,800 +13%
    2021-- $248,460 -11.8%
    2020$11,376 +5.3%$281,580 -7.5%
    2019$10,807 +1.2%$304,260 +495.9%
    2018$10,681 +8.3%$51,057 +5.6%
    2017$9,860 +3.9%$48,370 +1.9%
    2016$9,491 +72.4%$47,475 +11.6%
    2014$5,504 $42,548
    2013-- $42,548 +5.6%
    2012-- $40,309 +1.9%
    2011-- $39,563 +6%
    2010-- $37,324 +5.3%
    2009-- $35,457
    2008-- $35,457 +5.6%
    2007-- $33,591 +1.9%
    2006-- $32,970 +6%
    2005-- $31,104 +5.3%
    2004-- $29,548
    2003-- $29,548 +5.6%
    2002-- $27,993 +1.9%
    2001-- $27,475 +6%
    2000-- $25,920

    Find assessor info on the county website

    Neighborhood: Park Slope

    Nearby schools

    GreatSchools rating