18 Diamond Street
Brooklyn, NY 11222BBL 3-02685-0035Map
Owner of record: Kaminski Janusz
18 Diamond Street is a walk-up apartment building built in 1931 in Brooklyn, 11222. It has 4 residential units across 2 floors. The owner of record is Kaminski Janusz. HPD has recorded 4 housing violations here, most recently on June 9, 2025.
- HPD violations
- 4
- DOB violations
- 0
- ECB violations
- 4
- HPD complaints
- 0
What to know
No open immediately-hazardous violations among recent records.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 4
- ANon-hazardous
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.
Jun 9, 2025
Closed — Violation dismissed - IInformation / order
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.
Nov 27, 2024
Closed — Violation dismissed - ANon-hazardous
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.
Feb 24, 2022
Closed — Violation dismissed - ANon-hazardous
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.
Apr 8, 2021
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 4
- Class - 2
Work without a permit. work noted:full height sheetrock partition walls erected with floor opening & spiral stair installed & plumbing & electrical work installed to illegally create an additional class a apt i
Feb 4, 2012 · Penalty $200
Resolve - Class - 2
Occupancy contrary to that which is allowed by bldg dept records. note: illegal class 'a' apt created in cellar which is in conjunction 1st flr right apt 1r creating 2 class 'a' units conjoined by spiral stair
Feb 4, 2012 · Penalty $1,200
Resolve - Hazardous
Occupancy contrary to that allowed by the bldg dept records. in that the cellar has been illegally altered and occupied as a class a apartment with full height partitions erected creating kitchen with gas stove
Oct 29, 2005 · Penalty $800
Resolve - Hazardous
Work without a permit:hazardous work noted: having erected full height partitions wall at cellar level creating one class a apt with 3 pc bathroom, kitchen with gas stove furnish bedroom and living room.
Oct 29, 2005 · Penalty $800
Resolve
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C4)
- Year built
- 1931
- Floors
- 2
- Residential units
- 4
- Building area
- 2,750 ft²
- Lot area
- 2,521 ft²
- Zoning
- R6B
- Community board
- 301
- Council district
- 33
- Block / lot
- 2685 / 35
- Assessed value
- $589,500
- Landmark / historic district
- No
HPD registration #311075, last renewed Jul 17, 2025.
Questions about 18 Diamond Street
Who owns 18 Diamond Street?
The owner of record in NYC Department of City Planning PLUTO data is Kaminski Janusz.
Does 18 Diamond Street have violations?
Yes. NYC HPD has recorded 4 housing violations at this property.
Is 18 Diamond Street rent stabilized?
No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.
When was 18 Diamond Street built?
City records list 1931 as the year it was built.
How many apartments are in 18 Diamond Street?
It has 4 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.