WHY THIS PAGE EXISTS

47A Willow Street is the address-level record connected to Black Square Builders Corp..

Brooklyn Heights · built 1899 · Eclectic-Diverse

✓Building identityBIN 3001630 · BBL 3002200005
✓Contractor connectionDOB job and contractor matched
✓Property profileNYC Planning record found
✓Landmark attributesLPC designation record found

BUILDING AND LOCATION

What official property records say about this building

Location: Brooklyn Heights, Brooklyn, 11201
Construction: 1880 - 1899 · architect Not determined
Building: Row House · 4 floors · 1 residential units
Architecture: Eclectic-Diverse · Brownstone
Historic district: Brooklyn Heights Historic District
Official identifiers: BIN 3001630 · BBL 3002200005

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WORK EVIDENCE

What connects the contractor to this address

These entries come from DOB work records under the researched contractor identity.

Black Square Builders Corp.
DOB-linked record
DOB scope: INTERIOR RENOVATION, EXTERIOR REPAIR, AND EXTERIOR WINDOW AND DOOR REPLACEMENTAS PER PLANS FILED HEREWITH. NO CHANGE TO USE, EGRESS OR OCCUPANCY.
Job / permit
B01062073-I1 · B01062073-I1-GC
Status and date
Permit Issued · issued January 5, 2026
Contractor in filing
BLACK SQUARE BUILDERS COR · license 033552
Estimated filing cost
$165,000
Show dataHide dataOfficial DOB permit record
Original JSON data About the NYC DOB NOW approved permits dataset
Show dataHide dataDOB filing details
Original JSON data About the NYC DOB NOW approved permits dataset

SOURCES AND LIMITATIONS

Where these facts came from

“Show data” displays the exact filtered rows here. Each preview also links to a plain-language dataset description and the original API response.

How to verify it yourselfOpen Original JSON data for the filtered official record, or Show data to read it here. Compare the BIN, address, job or property identifiers, named business and dates with this building. The linked dataset page explains the fields. A company publication remains a separate claim until it is matched to an official record.

Show dataHide dataNYC Planning PLUTO
Original JSON data About the NYC Planning PLUTO dataset
Year, size, units, location and property identifiers.
Show dataHide dataNYC Landmarks designated properties
Original JSON data About the NYC Landmarks designated properties dataset
Construction date, architect, style, materials and historic-district context.
Show dataHide dataBlack Square Builders Corp. contractor match
Original JSON data About the NYC DOB NOW approved permits dataset
Official DOB address, job, contractor identity and license match.

Not included: ownership due diligence, violations, litigation, every permit ever filed at the property, or work performed without a DOB filing. Last official property refresh: September 1, 2026.