# 370 9th Street, Brooklyn, NY 11215

BBL 3010110041 · Block 1011 · Lot 41 · BIN 3022298  
Canonical page: https://nycpropertyfacts.com/ny/brooklyn/370-9th-street-3010110041  
Last updated: 2026-11-05 · Open-item counts as of 2026-11-06

Also recorded as: 372 9 St; 370-372 9 St; 434 6 Ave

## Summary

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 November 6, 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.)

How to cite: NYC Property Facts, “370 9th Street, Brooklyn, NY 11215 (BBL 3010110041)”, data as of 2026-11-06, https://nycpropertyfacts.com/ny/brooklyn/370-9th-street-3010110041. Source: NYC Open Data.

## Neighborhood

Park Slope: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope

- Open HPD violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-hpd-violations
- Active DOB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-dob-violations
- Active ECB violations: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/active-ecb-violations
- Open DOB jobs: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/open-dob-jobs
- Unpaid OATH tickets: https://nycpropertyfacts.com/ny/brooklyn/neighborhoods/park-slope/unpaid-oath-tickets

## Open items

| Item | Count |
|---|---|
| Open DOB jobs (permit issued, not signed off) | 0 |
| Active DOB violations | 0 |
| Active ECB violations | 0 |
| Open HPD violations | 0 |
| OATH tickets with unpaid balance | 5 |

## Lot & building

- Owner of record: 370 NINTH STREET CORP
- Building class: C6 – Walk-up co-op
- Year built: 1920
- Floors: 3
- Units: 6 residential / 9 total
- Lot area: 3,240 sq ft · Building area: 9,540 sq ft
- Zoning: R6B
- Source: PLUTO (Dept. of City Planning) (https://data.cityofnewyork.us/d/64uk-42ks), data as of 2026-11-06

## Tax assessment

- Tax year 2027 (final roll): market value $6,509,000, assessed value $2,929,050, tax class 2C
- Source: DOF Property Valuation and Assessment Data (https://data.cityofnewyork.us/d/8y4t-faws)

## Sales & deeds (ACRIS)

Deeds recorded with the City Register. amount 0 usually means a non-market transfer. lots_in_deed > 1 means the price covers several lots.

| Date | Status | Description | Source |
|---|---|---|---|
| 1984-10-15 | recorded (DEED) | DEED dated 1984-10-15 from PETER SCHLEIM ASSOCINC; PETER SCHLEIM ASSOCIATES; PETER SCHLEIM CONSULTANT to 370 9TH STREET CORP, no price stated ($0). | bnx9-e6tj |
| 1980-12-30 | recorded (DEED) | DEED dated 1980-12-30 from KACHIAN MARDIG to PETER SCHLEIM ASSOCIATES INC, no price stated ($0). | bnx9-e6tj |
| 1980-08-07 | recorded (DEED) | DEED dated 1980-08-07 from 370 NINTH STREET CORP to KACHIAN MARDIG, no price stated ($0). | bnx9-e6tj |
| 1970-12-08 | recorded (DEED) | DEED dated 1970-12-08 from KACHIAN MARDIG to 370 NINTH ST CORP, no price stated ($0). | bnx9-e6tj |
| 1970-08-07 | recorded (DEED) | DEED dated 1970-08-07 from NAJMY ROSE to KACHIAN MARDIG, no price stated ($0). | bnx9-e6tj |
| 1969-04-09 | recorded (DEED) | DEED dated 1969-04-09 from YORK GOLD CORP to BELLER CHARLES W; BIRCHBROOK REALTY CORP, no price stated ($0). | bnx9-e6tj |
| 1969-04-09 | recorded (DEED) | DEED dated 1969-04-09 from BIRCHBROOK REALTY CORP; BELLER CHARLES W to NAJMY ROSE, no price stated ($0). | bnx9-e6tj |
| 1966-09-02 | recorded (DEED) | DEED dated 1966-09-02 from SULLIVAN WILLIAM F REFEREE; LEVY ROSE DFTS ETAL to YORK GOLD CORP, no price stated ($0). | bnx9-e6tj |

## Open DOB jobs and recent work permits

A DOB "job" is an application to do construction work. status "open" = a permit was issued but DOB has no record of final sign-off. Work permits are listed with type "work_permit" and their DOB permit status (they are not counted as open items).

| Date | Status | Description | Source |
|---|---|---|---|
| 2024-01-29 | n/a (Signed-off) | DOB NOW work permit for job B00807320-I1: Structural — ALTERATIONS TO EXISTING STRUCTURAL STEEL AND INSTALLATION OF NEW BEARING PADS AS PER PLANS FILED HEREWITH.. Issued 2024-01-29, expires 2024-07-10. | rbx6-tga4 |
| 2019-07-16 | n/a (ISSUED (initial)) | BIS work permit for job 321962694: Alteration / Other / general construction. Issued 2019-07-16, expires 2020-10-31. | ipu4-2q9a |
| 2018-08-02 | n/a (ISSUED (initial)) | BIS work permit for job 340609292: Plumbing / Plumbing. Issued 2018-08-02, expires 2019-08-02. | ipu4-2q9a |
| 2018-06-18 | n/a (ISSUED (initial)) | BIS work permit for job 340609292: Equipment work / Other / general construction. Issued 2018-06-18, expires 2019-05-08. | ipu4-2q9a |
| 1994-02-16 | n/a (ISSUED (initial)) | BIS work permit for job 300303240: Plumbing / Plumbing. Issued 1994-02-16, expires 1996-02-16. | ipu4-2q9a |
| 1994-01-07 | n/a (ISSUED (initial)) | BIS work permit for job 300303240: Equipment work / Mechanical/HVAC. Issued 1994-01-07, expires 1994-07-16. | ipu4-2q9a |
| 1994-01-07 | n/a (ISSUED (initial)) | BIS work permit for job 300303240: Equipment work / Mechanical/HVAC. Issued 1994-01-07, expires 1994-07-16. | ipu4-2q9a |
| 1994-01-07 | n/a (ISSUED (initial)) | BIS work permit for job 300303240: Equipment work / Other / general construction. Issued 1994-01-07, expires 1994-07-16. | ipu4-2q9a |

## Open violations (DOB, ECB, HPD)

status "open" = DOB violation category is ACTIVE, ECB violation status is ACTIVE, or HPD violation status is Open.

No records found.

## OATH tickets with unpaid balance or pending

status "open" = balance due > $0 after a decision (cases awaiting a hearing are "pending"). default=true means the respondent did not appear.

| Date | Status | Description | Source |
|---|---|---|---|
| 2025-07-01 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB. Unpaid balance $2,000. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-05-03 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB. Unpaid balance $2,200. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-05-03 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB. Unpaid balance $2,200. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-03-31 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 3RD AND SUB. Unpaid balance $1,800. Respondent defaulted (did not appear). | jz4z-kudi |
| 2023-09-06 | open (DEFAULTED · DEFAULTED) | OATH ticket from Dep - Bureau Of Env. Complianc: IDLING OF MOTOR VEHICLE ENGINE MORE THAN THREE MINUTES 2ND OFF. Unpaid balance $2,100. Respondent defaulted (did not appear). | jz4z-kudi |
| 2025-07-01 | pending (NEW ISSUANCE) | OATH ticket from Miscellaneous Agencies: IDLING OF MOTOR VEHICLE ENGINE OVER THREE MINUTES 3RD SUB. Hearing pending. | jz4z-kudi |

## Complaints (HPD since 2019, 311 last 12 months)

Complaints are reports, not violations. status mirrors the published complaint / request status.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-06-25 | closed (Closed) | 311 request to NYPD: Illegal Parking – Blocked Sidewalk. | erm2-nwe9 |

## Owners & contacts

Owner of record comes from city tax records (PLUTO) and can lag behind recent sales.

| Date | Status | Description | Source |
|---|---|---|---|
| 2026-08-24 | current | City tax records (PLUTO) list the owner as 370 NINTH STREET CORP. | 64uk-42ks |
| 1984-10-15 | recorded | Grantee (buyer) on the most recent deed (DEED, 1984-10-15). | 636b-3b5g |
| 2026-08-04 | current_registration | HPD registration contact: CorporateOwner (370 NINTH STREET CORPORATION), business city Brooklyn. | feu5-w2e2 |
| 2026-08-04 | current_registration | HPD registration contact: Officer Eileen Powell, business city Brooklyn. | feu5-w2e2 |
| 2026-08-04 | current_registration | HPD registration contact: HeadOfficer Stephen Balser, business city Brooklyn. | feu5-w2e2 |
| 2026-08-04 | current_registration | HPD registration contact: Agent Eileen Powell, business city Bklyn. | feu5-w2e2 |
| 2026-08-04 | current_registration | HPD registration contact: SiteManager Bruce Lum. | feu5-w2e2 |

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Independent site. Data from NYC Open Data; not affiliated with the City of New York. Not a title search or official record; verify with the issuing agency. JSON: https://nycpropertyfacts.com/api/v1/property/3010110041