RealtyLens
for saleRealtyLens property overview
$3,550,000

21 87th St

Brooklyn, NY, 11209
View more Brooklyn, NY property pages
4Beds
3.75Baths
4,400Sqft
$807$/sqft

Listing Notes

Discover this stunning one-family detached home on a 40x100 lot, blending classic architectural elegance with modern updates. Arrive effortlessly with a remote-controlled wrought iron gate and enjoy a snow-melting system for the driveway, sidewalk, and front yard. This immaculately maintained 4,400 SF home features four bedrooms, four bathrooms, a loft, and a fully finished basement with multi-zoned heating and air-conditioning. Master woodworker enhancements showcase custom built-ins, pocket doors, ceiling art medallions, wainscoting, original mantels, cherry cabinet crown moldings, oak doors, and stained glass. The elegant entryway leads to a spacious hallway with French doors, an Italian indoor fountain, and a marble stone-like wall. The family room, used as an art gallery, features hardwood floors, cast iron details, natural light, recessed lights, and a wood-burning granite fireplace with antique French Breton-crafted cast iron panels. The study room, with a unique chandelier and large bay windows, offers a serene space for work or relaxation. The formal dining room features hardwood floors, decorative Italian art-painted glass walls, and a crystal chandelier. Beveled glass French doors lead to a year-round climate-controlled winter-garden patio with wrought-iron railings and a backlit wall of a glass mural by Maurice Heaton in 1937. The kitchen boasts high-end stainless-steel appliances, granite countertops, skylights, and a cozy breakfast nook with access to a private backyard patio. The second floor includes a bedroom, a wrap-around two-bedroom suite connected by a sunlit sitting room, and a luxurious main bathroom. The top-floor loft offers a vaulted ceiling, oversized skylights, a built-in daybed, and a private full bathroom with a jacuzzi tub and glass sink. The finished basement includes a living area, a full bathroom, an oversized closet, and a cozy media room. Enjoy a private outdoor oasis with a three-car driveway and a detached two-car garage.

Market Insights

Below nearby median-12%

$807/sqft vs a nearby median of $912/sqft.

Nearby median$912/sqft
Nearby properties8
Property size4,400 sqft
  • -12% versus the nearby median price per square foot.
  • Price history is limited, so current comps matter more than trend alone.
  • 4,400 sqft creates a usable price-per-square-foot read.

Pricing Read

Yardstick fair value$3.89M$3.54M$4.25M · 48% confidence
vs ask $3.55M−$343k (−9.7%)

Asking price is about 9.7% below the fair value — likely to draw competing offers if it's still on market.

$912/sqft median across 5 tight comps × 4,400 sqft= $4.01M
  • Days-on-market gravity−$120k −3.0%
  • Pre-war character+$100k +2.5%
  • Transit access−$60k −1.5%
  • Visible condition issues−$40k −1.0%
Cumulative NYC adjustments−$120k−3.0%

Property Read

FreshnessCurrent market data

The listing facts are current enough for an initial property review.

Market Position-12% vs nearby

The asking price per square foot is below the nearby median, which can be worth a closer comp check.

Price MovementInitial price point

Price history is still limited; review again as more market activity becomes available.

Diligence Read2 items to check
AI ReadinessReady to analyze
Assistant read

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Generated from the facts shown on this page and nearby market data. Not a professional appraisal.

Listing Details

Days on market
552 days
Last price change
No change recorded
Listed
Nov 6, 2024
Photos
49 photos
Property type
single family
Status
for sale
Last sold
Apr 5, 2016 · $1,415,000
Garage
1 space

Features & Amenities

Central AirDining RoomFamily RoomGame RoomHardwood FloorsLaundry RoomBasementGarage 1 Or MorePrivate BackyardVaulted CeilingPrivate BathroomMedia Room

Photos

Building Facts

Year built
1925
Stories
2
Total units
1
Residential units
1
Building area
2,290 sqft
Lot size
4,000 sqft
Land use
One and two family buildings
Building class
A1

From NYC public records where available.

Price History

May 4, 2026Initial record
$3,550,000for sale

Public Records

DOB violations0 open

0 total recorded against the building

HPD violations0 open

0 total recorded

ACRIS documents38

Tax-lot deed, mortgage, and transfer records on file

311 calls (12 mo)31,931

Top: illegal parking

Top complaint types in ZIP 11209

  • Illegal Parking10,491
  • HEAT/HOT WATER3,297
  • Blocked Driveway2,015
  • Noise - Residential1,876
  • Street Condition776

Recent Transfers (ACRIS)

  • Apr 5, 2016DEED$1,415,000
  • Nov 20, 1979DEED

Sourced from NYC Open Data (DOB, HPD, ACRIS). Updated as the city republishes — check the original source for live status.

You can also find this listing on StreetEasy.

Listing data sourced from streeteasy.com. RealtyLens enriches and contextualises it for you, but the original listing lives on the source.