100 Diamond Street
Brooklyn, NY 11222BBL 3-02652-0049Map
Owner of record: Kielbiowski, Joseph
100 Diamond Street is a walk-up apartment building built in 1928 in Brooklyn, 11222. It has 8 residential units across 4 floors. The owner of record is Kielbiowski, Joseph. HPD has recorded 6 housing violations here, most recently on November 20, 2025. 1 of the 6 most recent violations are still open. City tax records listed 8 rent-stabilized apartments here in 2024.
- HPD violations
- 6
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 1
What to know
Immediately hazardous issues among recent violations are still open.
Date of the most recent HPD inspection that found a problem.
No balance due on recent ECB violations.
Rent stabilization
Counts come from owners' rent-stabilization filings shown on NYC Department of Finance tax bills, as extracted by JustFix. They tell you a building has stabilized apartments, not which ones.
Think your apartment is stabilized? Request its rent history from HCR (free), then check your renewal with the renewal calculator.
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 6
- 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 20, 2025
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 9, 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.
Apr 8, 2021
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.
Apr 8, 2021
Closed — Violation dismissed - CImmediately hazardous
Properly repair the broken or defective morise lock at vestibule door at public hall, 1st story
Mar 28, 2021
Open — Nov certified late - BHazardous
Provide adequate lighting at or near the outside of the front entranceway of the building and keep same burning from sunset every day to sunrise on the day following a minimum of 100 watts of incandescent light required. (light fixture present)
Mar 2, 2016
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Door/window
Door
Jul 11, 2020 · Apt BLDG
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1928
- Floors
- 4
- Residential units
- 8
- Building area
- 7,500 ft²
- Lot area
- 2,500 ft²
- Zoning
- R6B
- Community board
- 301
- Council district
- 33
- Block / lot
- 2652 / 49
- Assessed value
- $1,217,250
- Landmark / historic district
- No
HPD registration #317140, last renewed Nov 24, 2025.
Questions about 100 Diamond Street
Who owns 100 Diamond Street?
The owner of record in NYC Department of City Planning PLUTO data is Kielbiowski, Joseph.
Does 100 Diamond Street have violations?
Yes. NYC HPD has recorded 6 housing violations at this property.
Is 100 Diamond Street rent stabilized?
NYC Department of Finance tax bills listed 8 rent-stabilized units here in 2024 (about 100% of its 8 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 100 Diamond Street built?
City records list 1928 as the year it was built.
How many apartments are in 100 Diamond Street?
It has 8 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.