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Executive Summary

This 6-family w/ 3 Market Rent and 3 Rent Stabilized apartments delivers strong, reliable cash flow with an 8.15% cap rate, offering a compelling return in today's market. This prime investment opportunity is located in the South Slope area of Park Slope!
Monthly Rent Roll: $11,244 | Annual Rent Roll: $134,915 | Annual Expenses: $61,535 | NOI: $73,380
Lot: 20 x 100 ft | Building: 20 x 75 ft | 3 Stories + Basement | Zoning: C-2 | 6 Residential Units | Rent Stabilized.
1 apartment on the ground floor has become vacant and will remain so, incase a buyer wishes to be owner operated. Otherwise it can be immediately rented out upon closing.
The property has deferred maintenance and is priced accordingly, representing a straightforward income play for an experienced investor or owner-operator comfortable with a building that requires attention. Income is consistent, making this a steady cash-flowing asset in one of Brooklyn's most sought-after and transit-accessible neighborhoods.
All information deemed reliable but not guaranteed. Buyers to perform their own due diligence.

Financial Summary (Actual - 2026) Click Here to Access

Annual Annual Per SF
Gross Rental Income $99,999 $9.99
Other Income - -
Vacancy Loss - -
Effective Gross Income $99,999 $9.99
Taxes $99,999 $9.99
Operating Expenses $99,999 $9.99
Total Expenses $99,999 $9.99
Net Operating Income $99,999 $9.99

Financial Summary (Actual - 2026) Click Here to Access

Gross Rental Income
Annual $99,999
Annual Per SF $9.99
Other Income
Annual -
Annual Per SF -
Vacancy Loss
Annual -
Annual Per SF -
Effective Gross Income
Annual $99,999
Annual Per SF $9.99
Taxes
Annual $99,999
Annual Per SF $9.99
Operating Expenses
Annual $99,999
Annual Per SF $9.99
Total Expenses
Annual $99,999
Annual Per SF $9.99
Net Operating Income
Annual $99,999
Annual Per SF $9.99

Property Facts

Price $900,000
Price Per Unit $150,000
Sale Type Investment
Cap Rate 8.15%
Sale Condition Deferred Maintenance
No. Units 6
Property Type Multifamily
Property Subtype Apartment
Apartment Style Low-Rise
Building Class C
Lot Size 0.05 AC
Building Size 3,975 SF
No. Stories 3
Year Built 1931
Zoning R6 - C-2
Exceptionally walkable
100/100
Fairly drivable
50/100
Exceptional public transit
90/100
Moderately bikeable
60/100

Property Taxes

Property Taxes

Parcel Number
00898-0037
Land Assessment
$6,300
Improvements Assessment
$662,400
Total Assessment
$668,700
Annual Taxes
($1) ($0.00/SF)
Tax Year
2026
  • Listing ID: 40701090

  • Date on Market: 5/28/2026

  • Last Updated:

  • Address: 354 21st St, Brooklyn, NY 11215

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