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252 9th Street, Brooklyn, NY 11215

BBL 3010090035 (Borough 3, Block 1009, Lot 35) · BIN 3022244, 3800220 · Last updated:

Also recorded in city data as: 450 4 Ave

Summary · as of November 6, 2026

252 9th Street (Brooklyn, NY 11215; tax lot BBL 3010090035) is a 2-unit mixed-use building with apartments and ground-floor commercial space (building class S2: mixed-use: two-family home with one store or office), built around 1899, on a 1,600 sq ft lot zoned C4-4D. City tax records list the owner as 252 9TH LLC. The Department of Finance's final market value for tax year 2027 is $2,898,000. As of November 6, 2026, NYC Open Data shows three DOB jobs with a permit issued but no sign-off, six active DOB violations and eight OATH tickets with an unpaid balance. There were seven 311 requests in the past 12 months and no HPD complaints since 2019. (Source: NYC Open Data — DOB, HPD, OATH, DOF, DCP and ACRIS datasets — compiled by NYC Property Facts.)

Owner of record
252 9TH LLC
Building class
S2 · Mixed-use: two-family home with one store or office
Year built · units
1899 · 2 res.
Lot area · zoning
1,600 sq ft · C4-4D
Market value (DOF)
$2,898,000 FY2027
Last priced deed
—
BBL
3010090035
BIN
3022244, 3800220

How to cite: NYC Property Facts, “252 9th Street, Brooklyn, NY 11215 (BBL 3010090035)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/252-9th-street-3010090035. Source: NYC Open Data.

Lot & building

Basic facts about the tax lot and building from the city’s PLUTO database.

Owner (as listed by the city)
252 9TH LLCThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
S2 – Mixed-use: two-family home with one store or officeThe Department of Finance’s category for what kind of building this is.
Land use
Mixed residential & commercialCity Planning’s broad category of how the lot is used.
Year built
1899Often an estimate for older buildings.
Floors
3
Units
2 residential / 3 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
1,600 sq ft (21.33 ft × 75 ft)
Building floor area
3,150 sq ft (incl. 1,050 sq ft commercial)
Zoning
C4-4D, GThe zoning district sets what can be built and used here. Commercial district.
Built vs. allowed density (FAR)
1.97 built / 6.02 max residentialFloor Area Ratio = building floor area ÷ lot area. If built FAR is below the maximum, zoning may allow more floor area (other rules apply).
Identifiers
BBL 3010090035 (Borough 3, Block 1009, Lot 35) · BIN 3022244, 3800220BBL identifies the tax lot; BIN identifies each building (from DOB/HPD/footprint records).

Source: PLUTO (Dept. of City Planning) — city dataset updated 2026-08-24; data as of 2026-11-07; Building Footprints — city dataset updated 2026-10-25; data as of 2026-11-01

Tax assessment

How the Department of Finance values this lot for property tax.

Market value (tax year 2027, final roll)
$2,898,000The Department of Finance’s estimate of value for tax purposes. It is not an appraisal and is often far from the sale price.
Assessed value
$173,880The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$43,037Assessed value minus any exemptions.
Tax class
Tax class 1 – 1–3 family homes (and some small mixed-use / vacant lots)
Tax yearRollMarket valueAssessed valueTax class
2027Final$2,898,000$173,8801
2026Final$2,741,000$164,4601
2025Final$3,115,000$186,9001

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-07

Sales & deed history 4

Deeds recorded with the City Register (ACRIS). A deed transfers ownership. A $0 or very low price usually means a transfer between related parties, an estate, or a refinance-related transfer, not a market sale. This is not a title search; mortgages, liens and other documents are not shown.

DateTypePriceSeller (grantor)Buyer (grantee)Doc ID
2024-03-08DEED$0 / not statedGoldstein, Martin252 9th Llc2024030800320001
1991-01-15DEED$0 / not statedGay, Bryan; Gay, ElaineGoldstein, MartinFT_3380001595438
1986-04-25DEED$0 / not statedGarvey, Helen CGay, Elaine; Gay, BryanFT_3940001164894
1967-06-28DEED$0 / not statedGarvey Mary DecdGarvey Helen CBK_6730046100249

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-07; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-07

DOB job filings 3 open of 8

A “job” is an application to the Department of Buildings to do construction work. A job marked Permitted, not signed off had a work permit issued but the city has no record of final sign-off (inspection/completion). Old jobs left in this state are common and appear in buyer and lender due diligence; the work may or may not have been done.

StatusJob #TypeFiledEst. cost
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 2019-12-26
321985884
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2019-12-18$37,500
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1999-11-24
300956259
BIS
A3 – Minor alteration (one type of work)1999-11-09—
Permitted, not signed off
PERMIT ISSUED - ENTIRE JOB/WORK · 1998-06-22
300738316
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1998-06-09$5,000
Not open
Approved · 2026-09-08
B01453512-I1
DOB NOW
Alteration2026-09-07$21,000
Not open
Approved · 2021-06-03
B00360085-I1
DOB NOW
Alteration2020-07-21$5,000
Not open
PLAN EXAM - APPROVED · 2011-08-10
320339683
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2011-08-09$30,591
Not open
SIGNED OFF · 2007-08-10
310001716
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2007-07-31$61,000
Not open
PLAN EXAM - APPROVED · 2000-09-19
301084332
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2000-09-19$8,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Job Application Filings (BIS) — city dataset updated 2026-11-05; data as of 2026-11-06

Work permits 6

Individual permits issued under DOB jobs (one job can have several permits, e.g. plumbing and construction). Permit expiration alone does not mean the job was completed or signed off.

IssuedExpiresJob #WorkPermit status
2019-12-262020-10-31321985884
BIS
Equipment work / Other / general constructionISSUED (initial)
2007-08-102008-06-10310001716
BIS
Equipment work / Other / general constructionISSUED (initial)
2007-08-102008-06-10310001716
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1999-11-242000-11-23300956259
BIS
Alteration / Curb cutISSUED (initial)
1998-06-221999-03-13300738316
BIS
Equipment work / Other / general constructionISSUED (initial)
——320339683
BIS
Equipment work / Other / general constructionIN PROCESS (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-06; data as of 2026-11-07; DOB Permit Issuance (BIS) — city dataset updated 2026-11-07; data as of 2026-11-07

DOB violations 6 active of 7

Violations issued by the Department of Buildings for building-code or zoning conditions. Active means DOB has not recorded the violation as resolved or dismissed. Many active DOB violations are old (e.g. elevator or boiler inspection paperwork).

StatusIssuedTypeDescriptionNumber
Active
V-DOB VIOLATION - ACTIVE
2018-04-06LBLVIO-LOW PRESSURE BOILER BOILER REQUIREDVIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2016 INSPECTION REPORTV040618LBLVIO13799
Active
V-DOB VIOLATION - ACTIVE
2004-02-13LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV021304LL629120521
Active
VW-VIOLATION WORK WITHOUT PERMIT - ACTIVE
2000-06-22C-CONSTRUCTION OTHER OPTIONALWORK WITHOUT A PERMIT. WORK NOTED: AT REAR OF PREMISES ON 4TH AVE A 20 ' CURB CUT CONSTRUCTED CREATING A PARKING PAD FOR (2) OSP. NOTE: AT T IME OF INSPECTION A 1994 DODGE SUBURBAB CARAVAN SF PLATE3 N239WB AND 1 987 NISSAN SENTRA PLATE # Y123EY WERE BEING STORED ON LOT. REMEDY: OBT AINPERMIT FOR20' CURB CUT OR RESTORE TO PRIOR LEGAL HEIGHTVW062200C06EM01
Active
V-DOB VIOLATION - ACTIVE
1998-07-27C-CONSTRUCTION OTHER OPTIONALV072798C06M02
Active
VW-VIOLATION WORK WITHOUT PERMIT - ACTIVE
1998-05-29C-CONSTRUCTION OTHER OPTIONALWORK WITHOUT A PERMIT. METAL PARTITIONS HAS BEEN ERECTED ON THE FIRST FLOOR REMEDY: STOP ALL WORK UNTIL PERMIT IS OBTAINEDVW052998C06M01
Active
V-DOB VIOLATION - ACTIVE
1997-02-10LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV021097LL629118626
Resolved/dismissed
V*-DOB VIOLATION - Resolved
2010-06-11E-ELEVATOR ELEVATORREQUIREDV*061110E9028/340573

Source: DOB Violations — city dataset updated 2026-11-06; data as of 2026-11-07

ECB violations (DOB) 0 active of 4

DOB violations that go to a hearing at OATH (formerly the Environmental Control Board) and can carry fines. Active or Resolved follows the DOB violation status field. The hearing status is about the hearing and its penalty: written off means the city stopped collecting the fine, not that the condition was corrected. A balance due is a fine the city says is unpaid.

StatusIssuedSeverityWhat it was forPenalty / paid / balanceECB #
Resolved
Hearing: CURED/IN-VIO · Certification: CURE ACCEPTED
1998-07-27Non-HazardousFAILURE TO PROVIDE APPROVED PLANS AT PREMISES AT TIME OF INSPECTION. REMEDY: PROVIDE APPROVED PLANS.$0 / $0 / $034182817X
Resolved
Hearing: DISMISSED · Certification: N/A - DISMISSED
2000-06-22Non-HazardousWORK WITHOUT PERMIT.WORK NOTED:AT REAR OF PREMISES ON 4TH AVE A 20"CURB CUT CONSTRUCTED CREATING A PARKING PAD FOR (2)OSP.NOTE: AT TIME OF INSPECTION A 1994 DODGE SUBURBAD CARAVAN SE PLATE#N239WB AND 1987 NISSA$0 / $0 / $034254388R
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
1998-05-29Non-HazardousWORK W/O A PERMIT. METAL PARTITIONS HAS BEEN ERECTED ON THE 1ST FL. REMEDY: STOP ALL WORK UNTIL PERMIT IS OBTAINED.$250 / $250 / $034182680Y
Resolved
Hearing: IN VIOLATION · Certification: CERTIFICATE ACCEPTED
1999-08-23Non-HazardousWORK WITHOUT A PERMIT. CURB CUT HAS BEEN CREATED AT REAR. REMEDY: OBTAIN PERMIT OR RESTORE TO PRIOR LEGAL CONDITION.$500 / $500 / $034220920Z

Source: DOB ECB Violations — city dataset updated 2026-11-06; data as of 2026-11-07

OATH tickets (all agencies) 8 unpaid of 68

Summonses heard at the Office of Administrative Trials and Hearings, from agencies like Sanitation, Buildings, Fire and Health, linked to this lot’s block and lot. Default means the respondent did not appear at the hearing, which typically results in the maximum penalty. Tickets may be issued to tenants or businesses at the address, not just the owner. DOB ECB tickets appear here too.

StatusDateAgencyChargeRespondentImposed / paid / balanceTicket #
Unpaid balance Default
DOCKETED · DEFAULTED
2019-03-15Doh Mental HealthOPERATING A MFVU UNIT WITHOUT A PERMIT IN ANY PUBLIC SPACEROBLERO MARIA$1,000 / $0 / $1,0000890610811
Unpaid balance Default
DOCKETED · DEFAULTED
2019-03-15Doh Mental HealthOPERATING A MFVU IN ANY PUBLIC SPACE WITHOUT A LICENSEROBLERO MARIA$1,000 / $0 / $1,0000890610802
Unpaid balance Default
DOCKETED · DEFAULTED
2019-02-25Doh Mental HealthOPERATING A MFVU UNIT WITHOUT A PERMIT IN ANY PUBLIC SPACEROBLERO$1,000 / $0 / $1,0000890631840
Unpaid balance Default
DOCKETED · DEFAULTED
2019-02-25Doh Mental HealthOPERATING A MFVU IN ANY PUBLIC SPACE WITHOUT A LICENSEROBLERO$1,000 / $0 / $1,0000890631859
Unpaid balance Default
DOCKETED · DEFAULTED
2018-10-17Doh Mental HealthUNLICENSED MOBILE FOOD VENDORROBLERO$1,000 / $0 / $1,0000890589747
Unpaid balance Default
DOCKETED · DEFAULTED
2018-10-17Doh Mental HealthUNPERMITTED MOBILE FOOD UNITROBLERO$1,000 / $0 / $1,0000890590737
Unpaid balance Default
DOCKETED · DEFAULTED
2018-07-02Doh Mental HealthUNPERMITTED MOBILE FOOD UNITROBLERO MARIA$1,000 / $0 / $1,0000890564703
Unpaid balance Default
DOCKETED · DEFAULTED
2018-07-02Doh Mental HealthUNLICENSED MOBILE FOOD VENDORROBLERO MARIA$1,000 / $0 / $1,0000890564712
No balance due
PAID IN FULL
2026-08-11Sanitation OthersFAIL TO CLEAN 18 INCH INTO STREET COMM MAN INDUSTRIAL MIXED USE 1STDAVIDS CHECK CASHING$50 / $50 / $0049944811H
No balance due
HEARING COMPLETED · IN VIOLATION
2026-03-16Sanitation OthersFAIL TO CLEAN 18 INCH INTO STREET COMM MAN INDUSTRIAL MIXED USE 1STDAVID'S CHECK CASHING$50 / $50 / $0049652869X
No balance due
WRITTEN OFF · WRITTEN OFF
2017-11-16Doh Mental HealthUNLICENSED MOBILE FOOD VENDORROBLERO$1,000 / $0 / $00890524351
No balance due
WRITTEN OFF · WRITTEN OFF
2017-11-16Doh Mental HealthUNPERMITTED MOBILE FOOD UNITROBLERO$1,000 / $0 / $00890524360

Showing 12 of 68 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-07; data as of 2026-11-07

HPD registration & contacts

Owners of most rental buildings must register with the Department of Housing Preservation and Development each year and list an owner and managing agent.

No HPD registration found. Registration is required for buildings with 3 or more apartments (and for 1–2 family homes where neither the owner nor family lives there).

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-07; HPD Registration Contacts — city dataset updated 2026-11-04; data as of 2026-11-07

HPD housing-code violations 0 open of 0

Violations HPD inspectors issued for conditions in residential buildings (heat, leaks, mold, pests, lead paint, etc.). Class letters show how serious: Class A – non-hazardous (HPD gives 90 days to correct); Class B – hazardous (30 days to correct); Class C – immediately hazardous (24 hours to correct for most conditions); Class I – information / order (e.g. orders to register, lead or other administrative orders). Open means HPD has not recorded the condition as corrected.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-06; data as of 2026-11-07

HPD complaints 0

Complaints tenants or others made to HPD (usually via 311) about housing conditions, from 2019 onward. A complaint is not a violation; HPD may inspect and issue one.

No records found in this dataset for this lot.

Source: HPD Housing Maintenance Code Complaints and Problems — city dataset updated 2026-11-07; data as of 2026-11-07

311 requests (last 12 months) 7

Recent 311 service requests the city geocoded to this lot: noise, illegal parking, heat, sanitation and more. Anyone can file them, so they describe activity at or near the address, not necessarily the building itself.

OpenedAgencyComplaintStatusClosed
2026-09-19NYPDIllegal Parking – Parking Permit Improper UseClosed2026-09-19
2026-05-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-05-22
2026-05-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-05-22
2026-05-22NYPDIllegal Parking – Posted Parking Sign ViolationClosed2026-05-22
2026-05-07NYPDEncampment – N/AClosed2026-05-07
2026-04-23NYPDNoise - Street/Sidewalk – Loud Music/PartyClosed2026-04-23
2026-02-09DOTSidewalk Condition – Broken SidewalkClosed2026-02-10

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-07; data as of 2026-11-07

Nearby properties

More in Park Slope: Open HPD violations · Active DOB violations · Active ECB violations · Open DOB jobs · Unpaid OATH tickets

On 9 St

Same tax block (1009)

All properties on 9 St, Brooklyn · All of Brooklyn 11215

Open-item counts as of November 6, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs