344 21st St, Brooklyn, NY, 11215
About This Home
IN THE HEART OF SOUTH SLOPE/GREENWOOD HEIGHTS IS WHERE YOU'LL FIND THIS INCREDIBLE INVESTMENT OPPORTUNITY- AN EXTRA-LARGE(25x65 BLDG SIZE-5885 SQFT) 8 FAMILY SOLID BRICK BUILDING ON A 25x100 LOT SIZE WITH TWO FREE MARKET UNITS(ALL TWO BEDROOM APARTMENTS)... IDEALLY SITUATED AND SURROUNDED BY ALL THE MOST ESSENTIAL & EXCITING AMENITIES OF ONE OF BROOKLYN'S MOST DESIRABLE NEIGHBORHOODS... THIS BEAUTIFUL BUILDING IS IN EXCELLENT WELL-MAINATINED CONDITION WITH UPGRADES DONE TO ROOF, ELECTRIC, BOILER & WINDOWS... THIS PROPERTY GENERATES STRONG RENTAL INCOME OF APPROX $150,000/YEAR, WITH SIGNIFICANT UPSIDE POTENTIAL- THIS PRIZED PIECE OF REAL ESTATE IS A CAN'T MISS FOR ALL SAVVY INVESTORS...
Getting Around
Very Walkable
Very Limited Transit
Very BikeableSchools
Construction
Condition
- Year built: 1931
Type & Style
- Home type: MultiFamily
- Property subType: Multi Family
Interior
Bedrooms & Bathrooms
- Bedrooms: 16
- Bathrooms: 8
- Full bathrooms: 8
Features
- Flooring: Hardwood
Interior Area
- Total structure area: 5,884
- Total interior livable area: 5,884 sqft
Property
Details
- Special condition: Resale
Features
- Has view: Yes
- View description: City
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Heat Wave
- Tsunami
How This Home’s Risks Compare
FEMA Declared Disasters in Kings County and New York
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $13,399 | $160,788 |
| Home Insurance * | $408 | $4,896 |
| Property Taxes | $1,236 | $14,832 |
| Electricity | $972 | $11,668 |
| Total | $16,015 | $192,180 |
Income You'd Need if You Spent...
New York FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-04-15 | Price change | $1,988,888 |
| 2026-03-16 | Price change | $1,999,000 |
| 2026-03-13 | Price change | $1,100,000 |
| 2026-03-06 | Price change | $1,125,000 |
| 2026-03-05 | Price change | $1,149,000 |
| 2026-03-03 | Price change | $1,150,000 |
| 2026-02-26 | Price change | $1,175,000 |
| 2026-02-20 | Price change | $1,195,000 |
| 2026-02-18 | Price change | $1,199,000 |
| 2026-02-12 | Price change | $1,225,000 |
| 2026-02-05 | Price change | $1,250,000 |
| 2026-01-30 | Price change | $1,275,000 |
| 2026-01-27 | Price change | $1,290,000 |
| 2026-01-23 | Price change | $1,295,000 |
| 2026-01-19 | Price change | $1,325,000 |
| 2026-01-15 | Price change | $1,350,000 |
| 2026-01-09 | Price change | $1,375,000 |
| 2026-01-06 | Price change | $1,390,000 |
| 2025-12-22 | Price change | $1,395,000 |
| 2025-12-20 | Price change | $1,425,000 |
| 2025-12-15 | Price change | $1,450,000 |
| 2025-12-10 | Price change | $1,475,000 |
| 2025-12-08 | Price change | $1,495,000 |
| 2025-12-04 | Price change | $1,549,000 |
| 2025-11-28 | Listed for sale | $1,550,000 |
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