5521 Avenue K
Brooklyn, NY 11234BBL 3-07803-0001Map
Owner of record: Gniewek, Maria
5521 Avenue K is a two-family home built in 1960 in Brooklyn, 11234. It has 2 residential units across 2 floors. The owner of record is Gniewek, Maria. HPD has recorded 5 housing violations here, most recently on August 14, 2026. 5 of the 5 most recent violations are still open.
- HPD violations
- 5
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 19
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. The newest 10 per agency here; the full lists are a click away.
HPD housing violations · 5
- 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 2, 2nd story, 1st apartment from west at north
Aug 14, 2026 · Apt 2
Open — Nov sent out - ANon-hazardous
Replace with new the missing cabinet doors at east wall in the kitchen located at apt 2, 2nd story, 1st apartment from west at north
Aug 14, 2026 · Apt 2
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department at all walls and ceilings in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north
Aug 14, 2026 · Apt 2
Open — Nov sent out - BHazardous
Abate the infestation consisting of roaches in the entire apartment located at apt 2, 2nd story, 1st apartment from west at north
Aug 14, 2026 · Apt 2
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 2, 2nd story, 1st apartment from west at north
Feb 7, 2026 · Apt 2
Open — Nov sent out
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Heat/hot water
Apartment only
Oct 18, 2026 · Apt 2
Close - Unsanitary condition
Pests
Oct 17, 2026 · Apt APT22N
Open - Plumbing
Water supply
Oct 5, 2026 · Apt 2
Close - Plumbing
Water supply
Oct 5, 2026 · Apt 2
Close - Paint/plaster
Wall
Aug 12, 2026 · Apt 2
Close - Unsanitary condition
Pests
Aug 12, 2026 · Apt 2
Close - Unsanitary condition
Pests
Aug 12, 2026 · Apt 2
Close - Unsanitary condition
Mold
Aug 12, 2026 · Apt 2
Close - Plumbing
Water supply
Aug 12, 2026 · Apt 2
Close - Water leak
Slow leak
Aug 12, 2026 · Apt 2
Close
Sales history
| Date | Price | Type | Units |
|---|---|---|---|
| Sep 22, 2026 | Non-market transfer | Two family dwellings | 2 |
Building details
- Building type
- Two-family home (B1)
- Year built
- 1960
- Floors
- 2
- Residential units
- 2
- Building area
- 3,300 ft²
- Lot area
- 5,000 ft²
- Zoning
- R3-2
- Community board
- 318
- Council district
- 46
- Block / lot
- 7803 / 1
- Assessed value
- $62,400
- Landmark / historic district
- No
HPD registration #826808, last renewed Mar 9, 2026.
Questions about 5521 Avenue K
Who owns 5521 Avenue K?
The owner of record in NYC Department of City Planning PLUTO data is Gniewek, Maria.
Does 5521 Avenue K have violations?
Yes. NYC HPD has recorded 5 housing violations at this property.
Is 5521 Avenue K 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 5521 Avenue K built?
City records list 1960 as the year it was built.
How many apartments are in 5521 Avenue K?
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.