Value-Add 4-Unit Multifamily Investment | Over 10.6% Pro Forma Cap Rate Don't miss this outstanding opportunity to acquire a 4-unit multifamily building in the rapidly evolving Brownsville neighborhood of Brooklyn. This income-producing asset offers immediate cash flow with substantial upside through leasing and rental growth. The property features: Three 2-bedroom, 1-bath apartments One 3-bedroom, 1-bath apartment Finished basement generating additional income The building is currently producing approximately $137,556 in annual gross income, with the potential to increase to over $160,000 annually based on projected rents. Investment Highlights Projected 10.65% Cap Rate Projected NOI: $133,124 Purchase Price: $1,250,000 R6 Zoning 25' x 100' Lot Approximately 3,075 SF Building Built in 1930 Stable tenant base with government-assisted rental programs Excellent value-add opportunity through lease-up and rent optimization Ideally situated on Osborn Street, the property is conveniently located near public transportation, schools, shopping, parks, and neighborhood amenities, providing strong long-term rental demand. Whether you're an experienced investor or expanding your multifamily portfolio, 643 Osborn Street presents an exceptional opportunity to acquire a solid Brooklyn asset with immediate income and significant upside potential. Contact us today for the complete financial package, rent roll, and to schedule a private tour.
For sale
$1,250,000
643 Osborn St, Brooklyn, NY 11212
10beds
3,075sqft
Multi Family
Built in 1930
-- sqft lot
$-- Zestimate®
$407/sqft
$-- HOA
What's special
- 39 days
- 206
- 1
Zillow last checked:
Listing updated:
Listed by:
TWELVE STONES REALTY 973-873-8444,
Avraham Birnbaum 347-876-9337
Source: NY State MLS,MLS#: 11908939
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 10
- Bathrooms: 4
- Full bathrooms: 4
Kitchen
- Features: Open
Heating
- Has Heating (Unspecified Type)
Appliances
- Included: Refrigerator, Oven
Features
- Flooring: Hardwood
- Basement: Unfinished
- Has fireplace: No
Interior area
- Total structure area: 3,075
- Total interior livable area: 3,075 sqft
- Finished area above ground: 3,075
Property
Parking
- Parking features: Detached
- Has garage: Yes
Features
- Stories: 2
- Frontage length: 0
Details
- Parcel number: 03638002301
- Lease amount: $0
Construction
Type & style
- Home type: MultiFamily
- Property subtype: Multi Family
Materials
- Masonry - Brick, Brick Siding
Condition
- New construction: No
- Year built: 1930
- Major remodel year: 2018
Utilities & green energy
- Electric: Amps(0)
- Sewer: Municipal
- Water: Municipal
Community & HOA
Community
- Subdivision: Brownsville
HOA
- Has HOA: No
Location
- Region: Brooklyn
Financial & listing details
- Price per square foot: $407/sqft
- Tax assessed value: $237,000
- Annual tax amount: $9,943
- Date on market: 7/29/2026
- Date available: 07/13/2026
- Listing agreement: Exclusive
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 7/29/2026 | Listed for sale | $1,250,000$407/sqft |
Source: NY State MLS #11908939 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2018 | -- | $51,066 +8% |
| 2017 | $6,016 | $47,300 |
| 2016 | -- | $47,300 +3.3% |
| 2015 | -- | $45,778 +8% |
| 2014 | -- | $42,398 |
Find assessor info on the county website




