340 Prospect Avenue
Brooklyn, NY 11215BBL 3-00868-0019Map
Owner of record: Calder Realty, LLC
340 Prospect Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11215. It has 6 residential units across 3 floors. The owner of record is Calder Realty, LLC. HPD has recorded 7 housing violations here, most recently on January 24, 1989. 7 of the 7 most recent violations are still open. City tax records listed 6 rent-stabilized apartments here in 2024.
- HPD violations
- 7
- DOB violations
- 2
- ECB violations
- 0
- HPD complaints
- 0
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
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. Showing up to 50 per agency.
HPD housing violations · 7
- BHazardous
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling at steampipe 2 sty south apt 2l bathroom. , section '' ''
Jan 24, 1989 · Apt 2L
Open — Nov sent out - ANon-hazardous
Paint with light colored paint to the satisfaction of this department wall & ceiling 2 sty south apt 2l thru out. , section '' ''
Jan 24, 1989 · Apt 2L
Open — Nov sent out - BHazardous
Properly repair the broken or defective warped wood floor 2 sty south apt 2l. , section '' ''
Jan 24, 1989 · Apt 2L
Open — Nov sent out - ANon-hazardous
D26-21.03 adm code paint or post a sign indicating floors on walls at or near stairs 2 & 3 sty public hall.
May 22, 1987
Open — Nov sent out - BHazardous
D26-10.01, 10.05 adm code arrange and make self-closing the doors vestibule to 1 sty public hall.
May 22, 1987
Open — Nov sent out - ANon-hazardous
Section 300 m/d law file plans and application and legalize the following alteration or restore to the legal condition existing prior to the making of said alteration north entrance door removed & sealed with plywood 1 sty west apt 1r. located at apt 1r
May 22, 1987 · Apt 1R
Open — Nov sent out - BHazardous
D26-10.01 adm code properly repair with similar material the broken or defective plasterboard ceiling cellar rear.
Mar 17, 1987
Open — Nov sent out
DOB building violations · 2
- Low pressure boiler boiler required
Violation issued for failure to file annual boiler 2012 inspection report
May 15, 2014
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - active
ECB violations · 0
No ECB violations on record
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C2)
- Year built
- 1931
- Floors
- 3
- Residential units
- 6
- Building area
- 3,750 ft²
- Lot area
- 2,004 ft²
- Zoning
- R6B
- Community board
- 307
- Council district
- 39
- Block / lot
- 868 / 19
- Assessed value
- $804,150
- Landmark / historic district
- No
HPD registration #315232, last renewed Aug 21, 2025.
Questions about 340 Prospect Avenue
Who owns 340 Prospect Avenue?
The owner of record in NYC Department of City Planning PLUTO data is Calder Realty, LLC.
Does 340 Prospect Avenue have violations?
Yes. NYC HPD has recorded 7 housing violations at this property.
Is 340 Prospect Avenue rent stabilized?
NYC Department of Finance tax bills listed 6 rent-stabilized units here in 2024 (about 100% of its 6 apartments). To confirm a specific apartment, request its rent history from NYS Homes and Community Renewal.
When was 340 Prospect Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 340 Prospect 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.