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370 9th Street, Brooklyn, NY 11215

BBL 3010110041 (Borough 3, Block 1011, Lot 41) · BIN 3022298 · Last updated:

Also recorded in city data as: 372 9 St · 370-372 9 St · 434 6 Ave

Summary · as of October 31, 2026

370 9th Street (Brooklyn, NY 11215; tax lot BBL 3010110041) is a 6-unit walk-up apartment building (building class C6: walk-up co-op), built around 1920, on a 3,240 sq ft lot zoned R6B. City tax records list the owner as 370 NINTH STREET CORP. The Department of Finance's final market value for tax year 2027 is $6,509,000. As of October 31, 2026, NYC Open Data shows five OATH tickets with an unpaid balance. There was one 311 request 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
370 NINTH STREET CORP
Building class
C6 · Walk-up co-op
Year built · units
1920 · 6 res.
Lot area · zoning
3,240 sq ft · R6B
Market value (DOF)
$6,509,000 FY2027
Last priced deed
—
BBL
3010110041
BIN
3022298

How to cite: NYC Property Facts, “370 9th Street, Brooklyn, NY 11215 (BBL 3010110041)”, data as of 2026-10-31, https://nycpropertyfacts.com/ny/brooklyn/370-9th-street-3010110041. 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)
370 NINTH STREET CORPThe owner name on the city’s tax records. It can lag behind recent sales and is often an LLC.
Building class
C6 – Walk-up co-opThe Department of Finance’s category for what kind of building this is.
Land use
Multi-family walk-up buildingsCity Planning’s broad category of how the lot is used.
Year built
1920Often an estimate for older buildings. Major alteration recorded: 1987.
Floors
3
Units
6 residential / 9 totalResidential units are apartments; total includes stores and offices.
Buildings on lot
1
Lot size
3,240 sq ft (60 ft × 54.5 ft)
Building floor area
9,540 sq ft (incl. 2,351 sq ft commercial)
Zoning
R6BThe zoning district sets what can be built and used here. Residential district.
Built vs. allowed density (FAR)
2.94 built / 2.00 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 3010110041 (Borough 3, Block 1011, Lot 41) · BIN 3022298BBL 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 2026-11-04; 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)
$6,509,000The 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
$2,929,050The portion of market value that taxes are calculated on (capped by law for small homes).
Taxable value (final)
$577,767Assessed value minus any exemptions.
Tax class
Tax class 2C – co-op/condo, 2–10 units
Tax yearRollMarket valueAssessed valueTax class
2027Final$6,509,000$2,929,0502C
2026Final$5,424,000$2,440,8002C
2025Final$4,520,400$2,034,1802C

Source: DOF Property Valuation and Assessment Data — city dataset updated 2026-09-14; data as of 2026-11-04

Sales & deed history 8

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
1984-10-15DEED$0 / not statedPeter Schleim Associnc; Peter Schleim Associates; Peter Schleim Consultant370 9th Street CorpFT_3460001048946
1980-12-30DEED$0 / not statedKachian MardigPeter Schleim Associates IncBK_8030120700918
1980-08-07DEED$0 / not stated370 Ninth Street CorpKachian MardigBK_8030117701177
1970-12-08DEED$0 / not statedKachian Mardig370 Ninth St CorpBK_7030045101476
1970-08-07DEED$0 / not statedNajmy RoseKachian MardigBK_7030042701480
1969-04-09DEED$0 / not statedYork Gold CorpBeller Charles W; Birchbrook Realty CorpBK_6930032600423
1969-04-09DEED$0 / not statedBirchbrook Realty Corp; Beller Charles WNajmy RoseBK_6930032600425
1966-09-02DEED$0 / not statedSullivan William F Referee; Levy Rose Dfts EtalYork Gold CorpBK_6630023500334

Source: ACRIS Real Property Master — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Legals — city dataset updated 2026-10-08; data as of 2026-11-04; ACRIS Real Property Parties — city dataset updated 2026-10-08; data as of 2026-11-04

DOB job filings 0 open of 7

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
Not open
LOC Issued · 2024-05-02
B00807320-I1
DOB NOW
Alteration2023-07-28$70,000
Not open
SIGNED OFF · 2019-12-16
321962694
BIS
A3 – Minor alteration (one type of work)2019-06-05$20,000
Not open
SIGNED OFF · 2018-11-09
340609292
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-06-04$20,000
Not open
PLAN EXAM - IN PROCESS · 2018-05-12
340604705
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-05-12$20,000
Not open
PLAN EXAM - IN PROCESS · 2018-05-11
340604493
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-05-11$20,000
Not open
PLAN EXAM - IN PROCESS · 2018-05-11
340604475
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)2018-05-11$20,000
Not open
SIGNED OFF · 1994-09-22
300303240
BIS
A2 – Alteration with multiple work types (no change to use/occupancy)1993-10-08$23,000

Source: DOB NOW: Build – Job Application Filings — city dataset updated 2026-11-01; data as of 2026-11-04; DOB Job Application Filings (BIS) — city dataset updated 2026-10-30; data as of 2026-10-31

Work permits 8

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
2024-01-292024-07-10B00807320-I1
DOB NOW
Structural
ALTERATIONS TO EXISTING STRUCTURAL STEEL AND INSTALLATION OF NEW BEARING PADS AS PER PLANS FILED HEREWITH.
Signed-off
2019-07-162020-10-31321962694
BIS
Alteration / Other / general constructionISSUED (initial)
2018-08-022019-08-02340609292
BIS
Plumbing / PlumbingISSUED (initial)
2018-06-182019-05-08340609292
BIS
Equipment work / Other / general constructionISSUED (initial)
1994-02-161996-02-16300303240
BIS
Plumbing / PlumbingISSUED (initial)
1994-01-071994-07-16300303240
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1994-01-071994-07-16300303240
BIS
Equipment work / Mechanical/HVACISSUED (initial)
1994-01-071994-07-16300303240
BIS
Equipment work / Other / general constructionISSUED (initial)

Source: DOB NOW: Build – Approved Permits — city dataset updated 2026-11-02; data as of 2026-11-04; DOB Permit Issuance (BIS) — city dataset updated 2026-10-31; data as of 2026-10-31

DOB violations 0 active of 2

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
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
2002-03-26LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*032602LL629114839
Resolved/dismissed
V*-DOB VIOLATION - DISMISSED
1999-03-16LL6291-LOCAL LAW 62/91 - BOILERS BOILER REQUIREDV*031699LL629114120

Source: DOB Violations — city dataset updated 2026-11-02; data as of 2026-11-04

ECB violations (DOB) 0 active of 1

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: DISMISSED · Certification: N/A - DISMISSED
1988-08-23Non-HazardousWORK WITHOUT APERMIT REMOVING AND OR ERECTING PARTITIONS AND CEILINGS VAROUS LOCATION 1FL, STORE AREA EAST SIDE REMEDY DTOP WORK OBTAIN PERMIT OR RESTORE TO PRIOR LEGAL CONDITON$0 / $0 / $034010636X

Source: DOB ECB Violations — city dataset updated 2026-10-31; data as of 2026-11-04

OATH tickets (all agencies) 5 unpaid of 52

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
DEFAULTED · DEFAULTED
2025-07-01Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUBAMAZON LOGISTICS INC$2,000 / $0 / $2,000001033365H
Unpaid balance Default
DEFAULTED · DEFAULTED
2025-05-03Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUBAMAZON LOGISTICS INC$2,000 / $0 / $2,200001014689K
Unpaid balance Default
DEFAULTED · DEFAULTED
2025-05-03Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUBAMAZON LOGISTICS INC$2,000 / $0 / $2,200001014679R
Unpaid balance Default
DEFAULTED · DEFAULTED
2025-03-31Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUBAMAZON LOGISTICS INC$2,000 / $600 / $1,800001006622X
Unpaid balance Default
DEFAULTED · DEFAULTED
2023-09-06Dep - Bureau Of Env. CompliancIDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFFJETTEX LLC$1,500 / $0 / $2,100000830765M
No balance due
PAID IN FULL
2026-08-09Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $50 / $0049889493M
No balance due
PAID IN FULL
2026-03-19Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $50 / $0049652874K
No balance due
PAID IN FULL
2026-02-18Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $50 / $0049652817Y
No balance due
PAID IN FULL
2026-01-15Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $100 / $-50049531748Z
No balance due
PAID IN FULL
2025-12-04Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $50 / $0049531613L
Hearing pending
NEW ISSUANCE
2025-07-01Miscellaneous AgenciesIDLING OF MOTOR VEHICLE ENGINE OVER THREE MINUTES 3RD SUBAMAZON LOGISTICS INC$600 / $0 / $6000218821049
No balance due
PAID IN FULL
2025-04-23Sanitation OthersFAILURE TO CLEAN 18 INCHES INTO STREET370 NINTH STREET CORP$50 / $50 / $0049007096L

Showing 12 of 52 records. The API and the source dataset have the full list.

Source: OATH Hearings Division Case Status — city dataset updated 2026-11-02; data as of 2026-11-04

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.

HPD building ID
135308
Last registered
2026-08-04
Registration valid until
2027-09-01 CurrentRegistrations must be renewed every year.
RoleNameCompanyBusiness city
OfficerEileen PowellBrooklyn, Ny
Corporateowner370 NINTH STREET CORPORATIONBrooklyn, Ny
HeadofficerStephen BalserBrooklyn, Ny
SitemanagerBruce Lum
AgentEileen PowellBklyn, Ny

Source: HPD Multiple Dwelling Registrations — city dataset updated 2026-11-04; data as of 2026-11-04; HPD Registration Contacts — city dataset updated 2026-10-28; data as of 2026-11-04

HPD housing-code violations 0 open of 2

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.

StatusClassIssuedAptCondition
Closed
Violation Dismissed · 2022-03-02
A2022-02-18(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.
Closed
Violation Dismissed · 2021-04-19
A2021-04-05(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.

Source: HPD Housing Maintenance Code Violations — city dataset updated 2026-11-02; data as of 2026-11-04

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 2026-11-02; data as of 2026-11-04

311 requests (last 12 months) 1

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
2026-06-25NYPDIllegal Parking – Blocked SidewalkClosed2026-06-25

Source: 311 Service Requests from 2020 to Present — city dataset updated 2026-11-04; data as of 2026-11-04

Nearby properties

On 9 St

Same tax block (1011)

All properties on 9 St, Brooklyn · All of Brooklyn 11215 (Park Slope)

Open-item counts as of October 31, 2026; each section lists its own dataset date. Machine-readable: JSON API · Markdown · Plain text · API & MCP docs