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Brooklyn • Condo

171 South 9 St

Brooklyn, NY 11211Company-ownedBBL 3021397503BIN 3345981
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Updated Aug 1, 2026 · 16 sources

Year Built1994
Floors5
Units10
Building Area18,047 sqft
ZoningR6
ClassRM
Market Value$912K

171 SOUTH 9 ST is a property located at 171 SOUTH 9 ST, Brooklyn, NY 11211. It is classified as a condo - multi-dwelling. The building was constructed in 1994. It has 5 floors and 10 units. The building area is 18,047 square feet on a 5,436 sqft lot. The property is zoned R6. The assessed market value is $912K. It last sold for $406K on Sep 21, 2005. Public records list the property as company-owned. There are 9 building permits on record (7 active). There are 26 violations on record (10 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

65records on file

Completed in 1994, 171 South 9 St rises 5 stories over Kings. Public records put it at 10 units and 18,047 square feet of floor area, on land zoned R6. It is carried on the public rolls at a market value of $912K, and assessed for tax at $410K. In the 47 years its record reaches back, the lot has drawn 65 separate government filings.

The documentary life of the address leans hard toward violation: 26 of its 65 records, fully 40%, fall under that one heading. Permit (9) and inspection (9) trail well behind. 10 violations stand open against it today.

The pace is anything but even. Activity is spread across the decades, with 1997 the busiest year on file.

Read together — 40% violation, 47 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$912K of Kings, written across 65 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address171 SOUTH 9 ST, Brooklyn, NY 11211
Building TypeCondo - Multi-Dwelling
RM
Year Built1994
Floors5
Total Units10
Building Area18,047 sqft
Lot Size5,436 sqft
ZoningR6
ConditionAverage
3021397503
3345981
OwnershipCompany-owned

Assessment & Sales

$912K
$410K
$2K
$406K
Last Sale DateSep 21, 2005

Building Permits

9 on record · 7 active
ElectricalDOB NOW
COMPLETE
Filed Aug 25, 2023Job #B00925328-I1-EL

Modernization of one existing passenger elevator

View this permit's full record & inspection history →
General ConstructionDOB Legacy
COMPLETED
Filed Nov 28, 2000Job #301099219-01
View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Aug 11, 1997Job #300646923-01-01

MH

View this permit's full record & inspection history →
Construction EquipmentDOB Legacy
ISSUED
Filed Aug 11, 1997Job #300646923-1-1-hist

MH

View this permit's full record & inspection history →
New BuildingDOB Legacy
ISSUED
Filed Nov 1, 1996Job #300285313-01-03
View this permit's full record & inspection history →

+ 4 more permits — view full report

Violations

26 on record · 10 open
HPDClass I
INFO NOV SENT OUT
Issued Nov 19, 2025#18405949

§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 SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.

View this violation's full details & status history →
HPDClass A
NOV SENT OUT
Issued Jun 13, 2025#18029480

(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.

View this violation's full details & status history →
DOB LegacyACC1
ACTIVE
Issued Sep 6, 2019#2389716

VIO ISSUED TO ELEVATOR - FAIL TO CORRECT DEFECTS ON 2017 CAT 1 INSP/TST TST

View this violation's full details & status history →
DOB LegacyLocal Law 10/81
ACTIVE
Issued Mar 10, 2000#719266
View this violation's full details & status history →

+ 22 more violations on record — view full report

Get the Complete Report for 171 SOUTH 9 ST

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

Free to view core records, no credit card required — the paid report adds title history & analysis.

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Frequently Asked Questions

When was 171 SOUTH 9 ST, Brooklyn built?

The building at 171 SOUTH 9 ST, Brooklyn, NY 11211 was constructed in 1994. It is classified as a condo - multi-dwelling with 5 floors and 10 units. The building area is 18,047 sqft.

Are there building permits at 171 SOUTH 9 ST, Brooklyn?

Yes. 171 SOUTH 9 ST, Brooklyn, NY 11211 has 9 building permits on record, with 7 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (COMPLETE) filed Aug 25, 2023.

Does 171 SOUTH 9 ST, Brooklyn have violations?

Yes. 171 SOUTH 9 ST, Brooklyn, NY 11211 has 26 violations on record, with 10 currently open. Breakdown: 18 DOB, 2 ECB, 6 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 171 SOUTH 9 ST, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 171 SOUTH 9 ST, Brooklyn, NY 11211. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 171 SOUTH 9 ST?

171 SOUTH 9 ST, Brooklyn, NY 11211 has an assessed market value of $912K and a total assessed value of $410K (land: $2K). Assessment data is from the NYC Department of Finance (DOF).

When was 171 SOUTH 9 ST last sold?

171 SOUTH 9 ST, Brooklyn, NY 11211 last sold for $406K on Sep 21, 2005. Sale records are sourced from NYC ACRIS and Department of Finance rolling sales data.

What is the zoning for 171 SOUTH 9 ST?

171 SOUTH 9 ST, Brooklyn, NY 11211 is zoned R6. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 171 SOUTH 9 ST?

171 SOUTH 9 ST, Brooklyn, NY 11211 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 171 SOUTH 9 ST?

Search 171 SOUTH 9 ST on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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171 SOUTH 9 ST, Brooklyn, NY 11211 — Property Records, Permits, Violations, Tax & Zoning | RegWatch