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354 E 21st Street, Brooklyn, photo 1
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354 E 21st Street

Brooklyn, NY 11226 · Brooklyn

Status
Active
On site
113 days

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About this home

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.

Listed with RealTegrity NY LLC · Robert J. Swiderski · Source: OneKey MLS

One Key MLS

Information provided by One Key MLS, and is deemed reliable but not guaranteed accurate. Data last updated: Sep 17, 2026, 8:07 PM ET. ©2026 One Key MLS.

Estimate Your Monthly Payment

Estimate your mortgage payment, including the principal and interest, taxes, insurance, HOA, and Private Mortgage Insurance.

$5,912.58Total / mo

Estimated Monthly Payment

Principal & interest
$4,433.16 (75.0%)
Taxes
$1,279.42 (21.6%)
Insurance
$200.00 (3.4%)

Representative rates

Representative rates only, indicative for comparison. Edit the interest rate for your own quote; your lender’s numbers vary with credit, points, and insurance.

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Market Insights

The market around Brooklyn, NY

Current Listings

New in the last 30 days

209

Sep 2026

Average Price

Active listings

$1,285,920

Sep 2026

Average Days on Market

Active listings

175 days

Sep 2026

Computed from 1,574 active OneKey MLS listings in Brooklyn, NY.

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