309 Avenue X
Brooklyn, NY 11223BBL 3-07174-0094Map
Owner of record: Jlx Holding LLC
309 Avenue X is a vacant lot in Brooklyn, 11223. The owner of record is Jlx Holding LLC. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 1
- ECB violations
- 4
- HPD complaints
- 0
What to know
No open immediately-hazardous violations among recent records.
HPD has not cited this building.
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 · 0
No HPD violations on record
DOB building violations · 1
- Construction other optional
Borough commissioner has ordered all work stopped under permit #b01205651-s5 on 10/6/2026 due to applicant withdrawal. all work in connection with the application has been ordered stopped immediately. unable to determine percentage of completed work.
Oct 8, 2026
Dob violation - active
ECB violations · 4
- Class - 1
At time of inspection, i observed a fully demolished structure. demo permit active but failed to notify prior to commencing demolition work 24-48hrs bc 3306.3 comply with code
May 30, 2025 · Penalty $2,500
Resolve - Non-hazardous
Work w/o a permit noted:cofo #162593 dated 10/7/58 indicates a 1 family dwelling on lot bldg was demolished & lot converted to & being used to sell garden materials/remedy: obtain permit or obtain permit to res
Oct 17, 2007
Resolve - Hazardous
Occupancy contrary to that allowed by the cofo number 162593 dated 10/7/58.note:the cofo #162593 indicate that a one family dweling exists on lot.the one family dwelling was demolished & lot is being used to se
Oct 17, 2007 · Penalty $800
Resolve - Non-hazardous
Work without a permit. curb cut & or parking pad created front. remedy: obtain permit if feasible or restore to prior legal condition
Jan 3, 1992
Resolve
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Vacant lot (V0)
- Year built
- —
- Floors
- —
- Residential units
- —
- Building area
- —
- Lot area
- 3,000 ft²
- Zoning
- R4
- Community board
- 315
- Council district
- 44
- Block / lot
- 7174 / 94
- Assessed value
- $5,880
- Landmark / historic district
- No
Questions about 309 Avenue X
Who owns 309 Avenue X?
The owner of record in NYC Department of City Planning PLUTO data is Jlx Holding LLC.
Does 309 Avenue X have violations?
NYC HPD has no housing violations on record for this property.
Is 309 Avenue X 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.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.