900 Knickerbocker Avenue
Brooklyn, NY 11207BBL 3-03436-7502Map
Owner of record: 249 Cooper LLC
900 Knickerbocker Avenue is a condominium built in 2023 in Brooklyn, 11207. It has 6 residential units across 4 floors. The owner of record is 249 Cooper LLC. HPD has recorded 1 housing violation here, most recently on May 11, 2026.
- HPD violations
- 1
- DOB violations
- 0
- ECB violations
- 6
- HPD complaints
- 1
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 · 1
- 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 11, 2026
Closed — Violation dismissed
DOB building violations · 0
No DOB violations on record
ECB violations · 6
- Class - 1
Observation: no super intendent/designated competent person on site. worker could not provide documents nor speak english. had no sst connect card. designate supeintendent/competent person
Dec 1, 2023 · Penalty $12,500
Resolve - Class - 2
Observation: vio: inadeqaute documents(no ssp,toolbox,orienation,drawings). provide approved construction documents
Dec 1, 2023 · Penalty $1,562
Resolve - Class - 2
Observation:construction fence inadequately constructed/maintained. gate swings out to public. graffitti throught out fence exposures.construct/maintain construction fence
Dec 1, 2023 · Penalty $2,500
Resolve - Class - 1
Propsed 4 story nb active jobsite under construction, i observed use of water hydrant in place at exposure-2 connected into jobsite for construction activities. upon request for required dep authorization permi
Oct 11, 2023 · Penalty $625
Resolve - Class - 2
Active jobsite with construction activities on going. upon request for previous & up to date sw shed, scaffold daily inspection logs, installation inspection letters, scaffold pre-shift insp logs & fence draing
Oct 11, 2023
Resolve - Class - 1
At the time of insp 4 stories nb i observed i beam installed at cmu exp#2 rear of the building, c joist hanger details hanging ~2" exceed i beam web welded at bottom, using type of hanger reflected on s-202 to
May 11, 2023 · Penalty $2,500
Resolve
Complaints
- Unsanitary condition
Garbage/recycling storage
Aug 24, 2024 · Apt HOUSE
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Condominium (R1)
- Year built
- 2023
- Floors
- 4
- Residential units
- 6
- Building area
- 4,729 ft²
- Lot area
- 1,720 ft²
- Zoning
- R6
- Community board
- 304
- Council district
- 37
- Block / lot
- 3436 / 7502
- Assessed value
- $549,900
- Landmark / historic district
- No
HPD registration #391235, last renewed Jul 30, 2025.
Questions about 900 Knickerbocker Avenue
Who owns 900 Knickerbocker Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 249 Cooper LLC.
Does 900 Knickerbocker Avenue have violations?
Yes. NYC HPD has recorded 1 housing violations at this property.
Is 900 Knickerbocker Avenue 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 900 Knickerbocker Avenue built?
City records list 2023 as the year it was built.
How many apartments are in 900 Knickerbocker Avenue?
It has 6 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.