9511 Avenue B
Brooklyn, NY 11236BBL 3-04755-0009Map
Owner of record: Nelson, Orson
9511 Avenue B is a two-family home built in 1945 in Brooklyn, 11236. It has 2 residential units across 1 floor. The owner of record is Nelson, Orson. HPD has recorded 2 housing violations here, most recently on August 20, 2025. 2 of the 2 most recent violations are still open.
- HPD violations
- 2
- DOB violations
- 0
- ECB violations
- 0
- HPD complaints
- 6
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. Showing up to 50 per agency.
HPD housing violations · 2
- BHazardous
Provide an adequate supply of gas to the fixtures at gas range in the kitchen located at bsmt-apt 1, 1st bsmt-apt from south at west
Aug 20, 2025 · Apt 1
Open — Nov sent out - BHazardous
Abate the infestation consisting of roaches in the entire apartment located at bsmt-apt 1, 1st bsmt-apt from south at west
Aug 20, 2025 · Apt 1
Open — Nov sent out
DOB building violations · 0
No DOB violations on record
ECB violations · 0
No ECB violations on record
Complaints
- Appliance
Electric/gas range
Aug 14, 2025 · Apt 1
Close - Unsanitary condition
Pests
Aug 14, 2025 · Apt 1
Close - Unsanitary condition
Pests
Aug 14, 2025 · Apt 1
Close - Electric
No lighting
Aug 5, 2025 · Apt 1
Close - Unsanitary condition
Pests
Aug 5, 2025 · Apt 1
Close - Unsanitary condition
Pests
Aug 5, 2025 · Apt 1
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Two-family home (B3)
- Year built
- 1945
- Floors
- 1
- Residential units
- 2
- Building area
- 1,771 ft²
- Lot area
- 2,267 ft²
- Zoning
- R5
- Community board
- 317
- Council district
- 42
- Block / lot
- 4755 / 9
- Assessed value
- $37,860
- Landmark / historic district
- No
Questions about 9511 Avenue B
Who owns 9511 Avenue B?
The owner of record in NYC Department of City Planning PLUTO data is Nelson, Orson.
Does 9511 Avenue B have violations?
Yes. NYC HPD has recorded 2 housing violations at this property.
Is 9511 Avenue B 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 9511 Avenue B built?
City records list 1945 as the year it was built.
How many apartments are in 9511 Avenue B?
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.