WHY THIS PAGE EXISTS

209 11th Street is the address-level record connected to Black Square Builders Corp..

Gowanus · built 1899

✓Building identityBIN 3022504 · BBL 3010150062
✓Contractor connectionDOB job and contractor matched
✓Property profileNYC Planning record found
–Landmark attributesNo LPC designation record found

BUILDING AND LOCATION

What official property records say about this building

Location: Gowanus, Brooklyn, 11215
Construction: 1899
Building: Property type not recorded · 2 floors · 2 residential units
Architecture: Not recorded
Historic district: No district recorded in the sources searched
Official identifiers: BIN 3022504 · BBL 3010150062

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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: FACADE REPAIR AND RE-CLADDING. RECONSTRUCT EXISTING EXTERIOR FRONT ENTRY STOOP. NO CHANGE TO USE, EGRESS, OR OCCUPANCY.
Job / permit
B00828193-I1 · B00828193-I1-GC
Status and date
Signed-off · issued March 27, 2023
Contractor in filing
BLACK SQUARE BUILDERS COR · license 033552
Estimated filing cost
$10,450
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 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.