5221 Flatlands Avenue
Brooklyn, NY 11234BBL 3-07800-0039Map
Owner of record: Lin Flats Realty LLC
5221 Flatlands Avenue is a walk-up apartment building built in 2006 in Brooklyn, 11234. It has 24 residential units across 3 floors. The owner of record is Lin Flats Realty LLC. HPD has recorded 39 housing violations here, most recently on May 8, 2026. 28 of the 39 most recent violations are still open. City tax records listed 24 rent-stabilized apartments here in 2023.
- HPD violations
- 39
- DOB violations
- 9
- ECB violations
- 1
- HPD complaints
- 25
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. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 39
- 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 8, 2026
Open — Nov sent out - BHazardous
Repair, replace or provide an approved and operational carbon monoxide detecting device, installed in accordance with applicable law and rules missing in the entire apartment located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department the ceiling in the bathroom located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - BHazardous
Properly repair the source and abate the evidence of a water leak at ceiling in the bathroom located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - BHazardous
Properly repair or replace the broken or defective electric outlet at east wall in the kitchen located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - BHazardous
Properly repair or replace the broken or defective electric light fixtures at ceiling in the 1st room from east at north located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - BHazardous
Properly repair or replace the broken or defective electric light fixtures at ceiling in the 1st room from east at south located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - CImmediately hazardous
Abate the infestation consisting of mice in the entire apartment located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Notice of issuance sent to tenant - BHazardous
Repair the broken or defective connection under sink in the kitchen located at apt 2h, 2nd story, 1st apartment from east at south
Feb 11, 2026 · Apt 2H
Open — Nov sent out - CImmediately hazardous
Provide hot water at all hot water fixtures in the entire apartment located at apt 1h, 1st story, 1st apartment from east at south
Dec 16, 2025 · Apt 1H
Open — Nov sent out
DOB building violations · 9
- Failure to post energy grade/score none
Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3
Dec 1, 2021
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Nov 2, 2021
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Aug 2, 2021
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Jun 2, 2021
Dob violation - active - Failure to post energy grade/score none
Failure to display energy efficiency score and energy efficiency grade as per adcode sec. 28-309.12.3
Apr 29, 2021
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Feb 2, 2021
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Nov 2, 2020
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
Aug 2, 2020
Dob violation - active - Failure to benchmark none
Failure to file benchmarking report of energy use as per ad. code sec. 28-309.4
May 2, 2020
Dob violation - active
ECB violations · 1
- Class - 1
Failure to submit the required parking structure initial observation report for an existing parking structure or a periodic inspection of a parking structure(pips) report documenting the conditions of psid#b000
Oct 1, 2024 · Penalty $12,500
Active
Complaints
- Electric
Outlet/switch
Feb 5, 2026 · Apt 2H
Close - Unsanitary condition
Pests
Feb 5, 2026 · Apt 2H
Close - Unsanitary condition
Mold
Feb 5, 2026 · Apt 2H
Close - Water leak
Slow leak
Feb 5, 2026 · Apt 2H
Close - Plumbing
Radiator
Feb 5, 2026 · Apt 2H
Close - Heat/hot water
Entire building
Dec 17, 2025 · Apt 1H
Close - Heat/hot water
Apartment only
Dec 14, 2025 · Apt 1H
Close - Heat/hot water
Apartment only
Dec 10, 2025 · Apt 1H
Close - Heat/hot water
Apartment only
Dec 6, 2025 · Apt 1H
Close - Safety
Window guard broken/missing
Aug 16, 2024 · Apt 1H
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C1)
- Year built
- 2006
- Floors
- 3
- Residential units
- 24
- Building area
- 29,152 ft²
- Lot area
- 13,187 ft²
- Zoning
- R5
- Community board
- 318
- Council district
- 46
- Block / lot
- 7800 / 39
- Assessed value
- $1,207,350
- Landmark / historic district
- No
HPD registration #381289, last renewed Jan 20, 2021.
Questions about 5221 Flatlands Avenue
Who owns 5221 Flatlands Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Lin Flats Realty LLC.
Does 5221 Flatlands Avenue have violations?
Yes. NYC HPD has recorded 39 housing violations at this property.
Is 5221 Flatlands Avenue rent stabilized?
NYC Department of Finance tax bills listed 24 rent-stabilized units here in 2023 (about 100% of its 24 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 5221 Flatlands Avenue built?
City records list 2006 as the year it was built.
How many apartments are in 5221 Flatlands Avenue?
It has 24 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.