A once-in-a-generation opportunity in the heart of Park Slope, 748 Union Street presents a rare chance to own a mixed-use property that has been held and cared for by the same owner for many years. Ideally positioned on one of Brooklyn’s most desirable neighborhood corridors, the property offers a flexible layout with commercial/garden-level space, residential upper levels, and multiple private outdoor areas.
With its combination of location, scale, and long-term ownership history, 748 Union Street is well-suited for end-users, investors, or those seeking a unique live/work opportunity in a prime Park Slope setting. Moments from neighborhood conveniences, dining, coffee shops, transit, and Prospect Park, this is a truly special offering in one of Brooklyn’s most established and sought-after communities.
Active
$4,500,000
748 Union St, Brooklyn, NY 11215
5beds
5,804sqft
Mixed Use
Built in 1915
-- sqft lot
$-- Zestimate®
$775/sqft
$-- HOA
What's special
Residential upper levelsMultiple private outdoor areas
- 6 days
- 808
- 67
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Compass 716-930-5802,
James Fierro
Source: StreetEasy,MLS#: S1847708
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 5
- Full bathrooms: 4
- 1/2 bathrooms: 1
Cooling
- Central Air
Appliances
- Included: Dishwasher, Washer/Dryer
Features
- Flooring: Hardwood
- Has fireplace: Yes
Interior area
- Total structure area: 5,804
- Total interior livable area: 5,804 sqft
Property
Features
- Patio & porch: Other, Deck, Terrace
- Exterior features: Balcony, Private Roof Deck, Terrace
Details
- Parcel number: 009560043
- Special conditions: Resale
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Mixed Use
Condition
- Year built: 1915
Community & HOA
Community
- Subdivision: Park Slope
Location
- Region: Brooklyn
Financial & listing details
- Price per square foot: $775/sqft
- Tax assessed value: $3,792,000
- Annual tax amount: $16,824
- Date on market: 9/16/2026
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/16/2026 | Listed for sale | $4,500,000+650%$775/sqft |
Source: StreetEasy #S1847708 Report a problem | ||
| 3/14/2010 | Sold | $600,000+90.5%$103/sqft |
Source: Public Record Report a problem | ||
| 11/10/1994 | Sold | $315,000$54/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $16,294 +3.5% | $227,520 -2.4% |
| 2024 | $15,744 | $233,040 +13.1% |
| 2023 | -- | $205,980 +27.4% |
| 2022 | -- | $161,700 +4.7% |
| 2021 | -- | $154,500 -3.1% |
| 2020 | $14,485 +4.8% | $159,420 +15% |
| 2019 | $13,827 +6% | $138,600 +122.3% |
| 2018 | $13,043 +4% | $62,352 +1.4% |
| 2017 | $12,538 +9.4% | $61,508 +4.4% |
| 2016 | $11,466 | $58,905 +3.3% |
| 2015 | $11,466 +69.1% | $57,025 +4.8% |
| 2014 | $6,779 | $54,435 +142.7% |
| 2001 | -- | $22,432 +5.1% |
| 2000 | -- | $21,344 |
Find assessor info on the county website






