Free account includes 3 full due diligence reports — no credit card requiredSign Up Free →
← Address Lookup
NYC Building Records · BBL 3002960035

171 CONGRESS STREET

Brooklyn · Block 296 · Lot 35 · Walk-up, over six families (Class C1)
Last recorded deed: Nov 2011Last HPD violation issued: 2022-11-04

171 CONGRESS STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3002960035) built in 1850, with 9 residential units across 4 floors.

The building is in NYC community district 306, council district 39, zoning district R6, on a 2,500-square-foot lot with a building footprint of 6,250 square feet.

The current registered owner of record per NYC PLUTO is GIANCOLA, ROBERT.

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.

Aerial map of 171 CONGRESS STREET, BrooklynStreet View of 171 CONGRESS STREET, Brooklyn

Owner of record

GIANCOLA, ROBERT
HPD-registered head officer: RICHARD GIANCOIA

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerRICHARD GIANCOIA
  • Managing AgentRICHARD GIANCOLA
  • Site ManagerCECILIO PAGUAY
  • Joint OwnerGREGORY GIANCOLA

Most recent deed

Last transferred on Nov 2, 2011 for $2.8M to Giancola, Richard; Giancola, Robert; Giancola, Gregory.
Previous owner: Diconti, Veronica; Donahue, James; Donahue, Michael; Donahue, Christine
Mortgage: $1.0M recorded Nov 2, 2011 with Jpmorgan Chase Bank, N.a.. Loan-to-value: 36%.
🔒 See all transfers before the 2011 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Nov 10, 2015MTGE$493KParties redacted — full names in MetroDeeds Scout+
Nov 10, 2015AGMT$1.4MParties redacted — full names in MetroDeeds Scout+
Nov 2, 2011MTGE$860KParties redacted — full names in MetroDeeds Scout+
Nov 2, 2011MTGE$1.0MParties redacted — full names in MetroDeeds Scout+
Nov 2, 2011AGMT$1.0MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
9
Year built
1850
Class
C1
Borough
Brooklyn
Zoning:
R6
Lot size:
2,500 sqft
Building area:
6,250 sqft
Floors:
4
Assessed value:
$1.9M
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 Nov 4, 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 Oct 29, 2019
    §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 Oct 8, 2015
    SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER…
  • Class IInspected Feb 18, 2015
    SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Nov 10, 2015).

Other buildings in this portfolio

Giancola, Richard; Giancola, Robert; Giancola, Gregory controls 3 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 171 CONGRESS STREET

Who owns 171 CONGRESS STREET?

The current registered owner of record for 171 CONGRESS STREET per NYC PLUTO is GIANCOLA, ROBERT. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 171 CONGRESS STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 171 CONGRESS 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 171 CONGRESS STREET have?

No open HPD housing-maintenance code violations are on record for 171 CONGRESS 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 171 CONGRESS STREET?

NYC Department of Finance assesses 171 CONGRESS STREET at $1.88M 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 171 CONGRESS STREET and what does that mean?

171 CONGRESS STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. 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 171 CONGRESS STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
Get the full deed history for 171 CONGRESS STREET
3 free reports lifetime with a MetroDeeds account. No credit card required.
Sign Up Free