roofy
For saleHouseNewScore 64

3-bedroom house for sale in Park Slope

816 Union St, Park Slope, Brooklyn, New York, NY, 11215

$4,500,000
Asking price · in USD
Size
1,000 ft² (92.9 m²)
Available
Now
Year built
—

About this home

House for sale in Park Slope, Brooklyn: 3 bedrooms, 2 bathrooms, 1,000 ft². Asking price $4,500,000.

From the original listing · Realtor.comShow

Park Slope! 2family brick. Great location. Great for investment or use. Close to all. Must see......

Description from Realtor.com, shown as published there. See the original listing

Roofy listing score

Grade C, 64/100 · Fairly complete

How complete and honest this listing is, from what the source sites show and Roofy’s own checks. It isn’t a rating of the home or the agent. How the score works

  • Photos25/25
    • Full points: 8 photos15/15
    • Full points: Large, clear photos (about 1,000 px)10/10
  • Details13/20
    • Full points: Price stated3/3
    • Full points: Bedrooms stated2/2
    • Full points: Bathrooms stated2/2
    • Full points: Size stated2/2
    • Does not apply: Move-in date: does not apply2/2
    • Does not apply: Lease length: does not apply1/1
    • No points: No pet policy0/1
    • No points: Laundry not mentioned0/1
    • No points: Heat and utilities not mentioned0/1
    • No points: No amenities listed0/2
    • Some points: Short description (16 words)1/3
  • True cost9/15
    • Some points: Taxes not stated4/8
    • Some points: Priced 131% above similar homes in its neighborhood5/7
  • Accuracy11/15
    • Nothing to compare: Listed on one site, nothing to compare3/6
    • Some points: Partly checked against city records (built 1905, 2 homes)4/5
    • Full points: Confirmed on its source site 3 days ago4/4
  • Legal6/10
    • Full points: No fair-housing problems found in the wording6/6
    • Problem: The agent’s license is not active0/4
  • Trust0/15
    • No points: Not claimed on Roofy by the agent or owner0/10
    • No points: The agent is not verified on Roofy0/5

Listed this home? Claim your agent page to add the trust points.

Scored Nov 2, 2026 · Score version 1. No one can pay to change a score.

Buying costs

What this price means for you: the monthly payment, and New York’s mansion tax, which the buyer pays on a home of $1 million or more.

Compared with the area

Asks $4,500,000, 131% above the median asking price for 3-bedroom homes for sale in Park Slope.

Median here
$1,950,000
21 listings, last 90 days
Typical range
$1,750,000–$2,685,000
The middle half of listings
Per ft²
$4,500 vs $1,684.44
This home vs the median, 167% higher

Priced above most similar homes here.

Asking prices of listings on Roofy and listing sites in the last 90 days, not signed leases or sale prices. One currency, never converted.

More about Park Slope

Location

Location as the listing shows it.Open in Google Maps

Nearby transit

  • Grand Army Plaza2 3 46 min walk
  • 7 AvB Q6 min walk
  • Bergen St2 3 412 min walk

Nearby public schools · District 15

Distance only, not school zones. Check the zoned school with NYC Public Schools.

The building

2 units · 3 floors · built 1905

Building record (NYC)

NYC records as of Nov 1 (weekly)

816 Union Street · BBL 3-01065-0004 · built 1905 · 2 units

Roofy building score 96/100 · Well keptAbout the building, from HPD violations. Not an inspection.
Building type
Two-family home
Open HPD violations
None
Heat complaints
0 this season
Complaints, last 12 months
0
Rent stabilization
None in 2018–2024 tax bills
Last sale (12-month file)
No sales in our 12-month file

No open immediately hazardous (Class C) violations.

See the full building record

Public NYC records about the building, not about the person listing it. Buyers and renters can see them on city websites too. Source: NYC Open Data (DCP PLUTO, HPD, DOF).

Added to Roofy Oct 29, 2026Last checked on Realtor.com Oct 29, 2026Roofy doesn’t verify listings. Never send money before seeing a home.

From Wenpin Tommy Zhu

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