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NYC Building Records · BBL 3003360046

131 UNION STREET

Brooklyn · Block 336 · Lot 46 · Multi-story store + offices (Class K4)

131 UNION STREET is a Class K4 (multi-story store + offices) building in Brooklyn (BBL 3003360046) built in 1930, with 3 residential units across 3 floors.

The building is in NYC community district 306, council district 39, zoning district R6B, on a 4,142-square-foot lot with a building footprint of 6,724 square feet.

The current registered owner of record per NYC PLUTO is GOWANUS WATER COMPANY LLC.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

GOWANUS WATER COMPANY LLC
HPD-registered head officer: HERNAN GALVIS

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerHERNAN GALVIS
  • Corporate OwnerGOWANUS WATER COMPANY LLC
  • Managing AgentWILLIAM SOHNE

Most recent deed

Last transferred on Mar 5, 2007 for $2.7M to Gowanus Water Company Llc.
Previous owner: 131 Union Street Realty Corp.
Mortgage: $1.9M recorded Mar 5, 2007 with 131 Union Street Realty Corp.. Loan-to-value: 69%.
🔒 See all transfers before the 2007 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Nov 15, 2023AGMT$1.9MParties redacted — full names in MetroDeeds Scout+
May 10, 2016AGMT$3.0MParties redacted — full names in MetroDeeds Scout+
May 10, 2016AGMTNot disclosedParties redacted — full names in MetroDeeds Scout+
May 10, 2016MTGE$1.4MParties redacted — full names in MetroDeeds Scout+
Mar 5, 2013AGMT$1.9MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
3
Year built
1930
Class
K4
Borough
Brooklyn
Zoning:
R6B
Lot size:
4,142 sqft
Building area:
6,724 sqft
Floors:
3
Assessed value:
$1.0M
Community district:
306
Council district:
39

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 4 violations issued by NYC HPD at this address:
  • Class IInspected Dec 4, 2024
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 28, 2023
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Nov 17, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class IInspected Mar 17, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Nov 15, 2023).

Frequently asked questions about 131 UNION STREET

Who owns 131 UNION STREET?

The current registered owner of record for 131 UNION STREET per NYC PLUTO is GOWANUS WATER COMPANY LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 131 UNION STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 131 UNION STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 131 UNION STREET have?

No open HPD housing-maintenance code violations are on record for 131 UNION STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 131 UNION STREET?

NYC Department of Finance assesses 131 UNION STREET at $1.01M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 131 UNION STREET and what does that mean?

131 UNION STREET is NYC building class K4 — Multi-story store + offices. A multi-story store with commercial offices above. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 131 UNION STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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