843 Carroll Street
Brooklyn, NY 11215BBL 3-01068-0056Map
Owner of record: Mardiney, Diane
843 Carroll Street is a walk-up apartment building built in 1896 in Brooklyn, 11215. It has 7 residential units across 4 floors. The owner of record is Mardiney, Diane. HPD has recorded 13 housing violations here, most recently on September 28, 2025. 2 of the 13 most recent violations are still open.
- HPD violations
- 13
- DOB violations
- 4
- ECB violations
- 0
- HPD complaints
- 6
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 · 13
- BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color at east wall in the 1st room from east located at apt 2f, 2nd story, 1st apartment from east at south
Sep 28, 2025 · Apt 2F
Closed — Violation dismissed - ANon-hazardous
§ 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration suspended acoustic panels at ceiling in the 3rd room from east located at apt 2f, 2nd story, 1st apartment from east at south
Sep 28, 2025 · Apt 2F
Closed — Violation dismissed - CImmediately hazardous
Replace or repair the self-closing doors that is missing or defective hinges in the entrance located at apt 2f, 2nd story, 1st apartment from east at south
Sep 28, 2025 · Apt 2F
Open — Invalid certification - BHazardous
Properly repair with similar material the broken or defective ceramic saddle at building entrance door
Sep 28, 2025
Closed — Violation dismissed - ANon-hazardous
Post, in a form approved by the commissioner, and maintain a notice in a common area of the building regarding the procedures that should be followed when a gas leak is suspected
Sep 28, 2025
Closed — Violation dismissed - BHazardous
Properly repair with similar material the broken or defective fire retardant plaster at ceiling at public hall, 1st story
Sep 28, 2025
Closed — Violation dismissed - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at ceiling at public hall, 1st story
Sep 28, 2025
Closed — Violation dismissed - CImmediately hazardous
Post notice, in form approved by the department, stating the name and location of the person designated by the owner to have key to buildings heating system signs missing at public hall, 1st story
Sep 28, 2025
Open — Nov certified late - ANon-hazardous
Post a proper notice of smoke detector requirements, in a form approved by the commissioner, at or near the mailbox missing at public hall, 1st story
Sep 28, 2025
Closed — Violation dismissed - ANon-hazardous
Post and maintain a proper sign on wall of entrance story showing the registration number assigned by the department and the address of the building. at public hall, 1st story
Sep 28, 2025
Closed — Violation dismissed
Show 3 more ↓
- ANon-hazardous
Post a proper notice of carbon monoxide detecting device requirements, in a form approved by commissioner, in a common area of a class a multiple dwelling near inspection certificate or provide notice to tenants in private dwellings
Sep 28, 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 7, 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.
Oct 16, 2018
Closed — Violation dismissed
DOB building violations · 4
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jul 25, 1994
Dob violation - dismissed - Landmark none
Landmk-landmark none
Nov 14, 1989
Dob violation - dismissed - Landmark none
Landmrk-landmark none
Aug 29, 1989
Dob violation - dismissed - Landmark none
Landmk-landmark none
Aug 29, 1989
Dob violation - dismissed
ECB violations · 0
No ECB violations on record
Complaints
- Unsanitary condition
Pests
Sep 23, 2025 · Apt 2F
Close - Flooring/stairs
Floor
Sep 23, 2025 · Apt 2F
Close - Paint/plaster
Wall
Sep 23, 2025 · Apt 2F
Close - Paint/plaster
Ceiling
Feb 9, 2015 · Apt 1F
Close - Heat/hot water
Apartment only
Feb 9, 2015 · Apt 1F
Close - Appliance
Sprinker cert
Jul 26, 2004
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 1896
- Floors
- 4
- Residential units
- 7
- Building area
- 5,682 ft²
- Lot area
- 2,125 ft²
- Zoning
- R7B
- Community board
- 306
- Council district
- 39
- Block / lot
- 1068 / 56
- Assessed value
- $1,054,350
- Landmark / historic district
- Park Slope Historic District
HPD registration #336104, last renewed Jul 16, 2026.
Questions about 843 Carroll Street
Who owns 843 Carroll Street?
The owner of record in NYC Department of City Planning PLUTO data is Mardiney, Diane.
Does 843 Carroll Street have violations?
Yes. NYC HPD has recorded 13 housing violations at this property.
Is 843 Carroll 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 843 Carroll Street built?
City records list 1896 as the year it was built.
How many apartments are in 843 Carroll Street?
It has 7 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.