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Legal Three-Family with Buildable FAR

154 Sumpter Street Unit 3FAM Brooklyn, NY 11233

New
154 Sumpter Street Unit 3FAM, Brooklyn, NY, 11233
$1,325,000
For Sale
$1,325,000

Legal three-family in decent condition with two occupied two-bedroom units and additional FAR available for expansion.

Property Size2,250 SF
Lot Size0.04 Acres
Price / SF$588.89
Days on Market5

Property Features for 154 Sumpter Street Unit 3FAM

General Information

Standard status
Active
Size
2,250 SF
Lot size
0.04 Acres
Property subtype
UnitTriplex

Building Details

Year Built
1910
Listing agency Douglas Elliman Real Estate
Listed by Michelle Kaminer · License #10401390524
Source Compass
Added: Jul 17 Updated: Jul 21 at 11:35AM Checked: Jul 21 at 11:35AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Douglas Elliman Real Estate


Investment Insights

Based on property information with market context.

This legal three-family residence is in decent condition and currently features three units, with two of the three two-bedroom, one-bath apartments occupied and paying less than $2,500 per month. The property’s total build-out is noted as 2,250 square feet, with approximately 1,500 square feet of additional FAR available up to a stated maximum of 3,750 square feet.

Set on a 18.75 x 100 lot, the offering highlights low current taxes of $3,325 per year and utilities described as on the low side. Transportation access is also a key component, with the C train less than two blocks away and the J/Z lines about six blocks away.

For buyers evaluating expansion potential, the provided FAR and maximum build guidance give a clear framework for increasing built square footage beyond the current configuration.

Key Highlights

  • Legal three‑family (1910) with two of three two‑bedroom, one‑bath units currently occupied and paying less than $2,500/mo
  • Additional FAR available for expansion: approximately 1,500 sqft additional build‑out, with built 2,250 sqft and max 3,750 sqft
  • Lot size 18.75' x 100' (R6B zoning noted) for a development opportunity alongside the existing building

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $114.8k $51.00
− Vacancy −$2.2k −$0.97
EGI $112.6k $50.03
− OpEx −$33.8k −$15.01
NOI $78.8k $35.02
2,250 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$1.13M
$985.0K – $1.31M (±1% cap)
NOI $78,799 @ 7.0% cap · market cap 5.95%
Second Best
Apartment 5plus
$981.3K
$858.6K – $1.14M (±1% cap)
NOI $68,690 @ 7.0% cap · market cap 5.18%
Theoretical Best
Specialty Retail
$1.86M
$1.63M – $2.17M (±1% cap)
NOI $130,410 @ 7.0% cap · market cap 9.84%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Location Intelligence

Current Use by Public Records

Triplexes

Suggested Use

Law Firm Real Estate Agency Dental Office Parking Lot & Garage Skin Care Clinic Acupuncture Building Supply Accounting Firm Computer & Electronic Repair Carpet & Flooring Store

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Triplex - Legal three-family in decent condition with two occupied two-bedroom units and additional FAR available for expansion.
Where is this triplex located?
The property is located at 154 Sumpter Street Unit 3FAM Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,325,000.
What are key features of this property?
This property features: Legal three‑family (1910) with two of three two‑bedroom, one‑bath units currently occupied and paying less than $2,500/mo; Additional FAR available for expansion: approximately 1,500 sqft additional build‑out, with built 2,250 sqft and max 3,750 sqft; Lot size 18.75' x 100' (R6B zoning noted) for a development opportunity alongside the existing building
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