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NYC Building Records · BBL 3023110017

150 NORTH 9 STREET

Brooklyn · Block 2311 · Lot 17 · Walk-up, over six families (Class C1)

150 NORTH 9 STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3023110017) built in 1910, with 7 residential units across 4 floors.

The building is in NYC community district 301, council district 33, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 5,500 square feet.

The current registered owner of record per NYC PLUTO is MANTOMI CO., LTD.

The most recent ACRIS deed transfer for this BBL was recorded on January 24, 2025 when 150 N OWNER LLC conveyed the property to MANTOMI CO., LTD for $8.50M. The transaction was recorded as cash (no paired mortgage instrument).

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.

Owner of record

MANTOMI CO., LTD
HPD-registered head officer: Atsushi Koyama

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerAtsushi Koyama
  • Corporate OwnerMantomi Co. Ltd
  • Managing AgentLIVINGSTON MANAGEMENT SERVICES, LLC
  • Site ManagerJOSH SHAKIBA

Most recent deed

Last transferred on Jan 24, 2025 for $8.5M to MANTOMI CO., LTD.
Previous owner: 150 N OWNER LLC
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2025 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Jan 24, 2025DEED$8.5MParties redacted — full names in MetroDeeds Scout+
May 24, 2022DEED$4.7MParties redacted — full names in MetroDeeds Scout+
Mar 24, 2022MTGE$3.9MParties redacted — full names in MetroDeeds Scout+
Jun 19, 2018AGMT$2.5MParties redacted — full names in MetroDeeds Scout+
Jun 19, 2018MTGE$2.2MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
7
Year built
1910
Class
C1
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
5,500 sqft
Floors:
4
Assessed value:
$887K
Community district:
301
Council district:
33

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 5, 2026
    (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 HPD…
  • Class BInspected Jul 20, 2023
    § 27-2005 HMC: REFIT DOOR IN THE 3rd ROOM FROM EAST LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
  • Class AInspected Mar 24, 2023
    (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 HPD…
  • Class AInspected Mar 1, 2022
    (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 HPD…
  • Class AInspected Apr 12, 2021
    (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 HPD…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Jan 24, 2025).

Other buildings in this portfolio

MANTOMI CO., LTD controls 3 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 150 NORTH 9 STREET

Who owns 150 NORTH 9 STREET?

The current registered owner of record for 150 NORTH 9 STREET per NYC PLUTO is MANTOMI CO., LTD. The most recent ACRIS deed transfer for this BBL was recorded on January 24, 2025 when the property was conveyed to MANTOMI CO., LTD. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 150 NORTH 9 STREET last sold?

The most recent ACRIS deed transfer for 150 NORTH 9 STREET was recorded on January 24, 2025, when 150 N OWNER LLC conveyed the property to MANTOMI CO., LTD for $8.50M. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 150 NORTH 9 STREET have?

No open HPD housing-maintenance code violations are on record for 150 NORTH 9 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 150 NORTH 9 STREET?

NYC Department of Finance assesses 150 NORTH 9 STREET at $887K 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 150 NORTH 9 STREET and what does that mean?

150 NORTH 9 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

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