21 Ditmars Street
Brooklyn, NY 11221BBL 3-03193-0008Map
Owner of record: 21 Ditmars LLC
21 Ditmars Street is a two-family home built in 1910 in Brooklyn, 11221. It has 2 residential units across 2 floors. The owner of record is 21 Ditmars LLC. HPD has recorded 16 housing violations here, most recently on May 4, 2026. 13 of the 16 most recent violations are still open.
- HPD violations
- 16
- DOB violations
- 4
- ECB violations
- 1
- HPD complaints
- 2
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
No rent-stabilized units in 2018–2024 tax bills
Violations
Most recent first. Showing up to 50 per agency.
HPD housing violations · 16
- 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.
May 4, 2026
Open — Nov sent out - 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 19, 2025
Open — Info nov sent out - 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
Open — Nov sent out - 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
Open — Info nov sent out - 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
Open — Nov sent out - 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 21, 2023
Open — Info nov sent out - 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.
Mar 22, 2023
Open — Nov sent out - 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 10, 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.
Feb 24, 2022
Open — Nov sent out - 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
Open — Nov sent out
Show 6 more ↓
- 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 21, 2017
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.
Oct 8, 2015
Closed — Violation dismissed - BHazardous
D26-10.01, 10.05 adm code remove all encumbrances consisting of household items 2 sty pub hall.
Jun 22, 1987
Open — Nov sent out - BHazardous
D26-34.01 adm code discontinue use of rooms for living, disconnect plumbing fixtures and properly seal pipe connections cellar front.
Jun 22, 1987
Open — Nov sent out - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors cellar to 1 sty pub hall stairs.
Jun 22, 1987
Open — Nov sent out - CImmediately hazardous
D26-17.10 adm code post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to building's heating system 1 sty pub hall.
Jun 22, 1987
Open — Nov sent out
DOB building violations · 4
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed
ECB violations · 1
- Hazardous
Occupancy contrary to that allowed by c of o and dept of bldg records partitions erected creating rooms at basement thru/out. fixtures present. remedy: restore premises to legal occupancy.
Jul 8, 2007 · Penalty $800
Resolve
Complaints
- Unsanitary condition
Mold
Aug 16, 2026 · Apt 2A
Close - Unsanitary condition
Mold
Aug 16, 2026 · Apt 2A
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Two-family home (B2)
- Year built
- 1910
- Floors
- 2
- Residential units
- 2
- Building area
- 1,656 ft²
- Lot area
- 1,159 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 34
- Block / lot
- 3193 / 8
- Assessed value
- $58,860
- Landmark / historic district
- No
HPD registration #371922, last renewed Apr 19, 2023.
Questions about 21 Ditmars Street
Who owns 21 Ditmars Street?
The owner of record in NYC Department of City Planning PLUTO data is 21 Ditmars LLC.
Does 21 Ditmars Street have violations?
Yes. NYC HPD has recorded 16 housing violations at this property.
Is 21 Ditmars 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 21 Ditmars Street built?
City records list 1910 as the year it was built.
How many apartments are in 21 Ditmars Street?
It has 2 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.