42 Adelphi Street
Brooklyn, NY 11205BBL 3-02031-0050Map
Owner of record: Idenburg, Florian
42 Adelphi Street is an office building built in 1899 in Brooklyn, 11205. It has 1 residential unit across 2 floors. The owner of record is Idenburg, Florian. HPD has no housing violations on record for this property.
- HPD violations
- 0
- DOB violations
- 0
- ECB violations
- 10
- 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 · 0
No DOB violations on record
ECB violations · 10
- Class - 1
Failure to institute/maintain safety equip measures/temporary construction "no handrails". as noted: at time of inspection at an active jobsite for a proposed 3 story building already at the bulkhead level. obs
Feb 12, 2026 · Penalty $12,500
Active - Class - 2
3308.5.3.1 zero cable- on active jobsite, observed vertical cable system installed at multiple locations on jobsite. all cable systems are missing zero cables to prevent material and debris from falling. stop a
Oct 1, 2025 · Penalty $10,000
Active - Class - 2
3303.11.2 stairs during building construction or enlargement- active jobsite topped off at 40ft. only temporary ladders provided for egress. 1 flight of permanent stairs is toi be provided at 4 stories or 40 ft
Oct 1, 2025 · Penalty $10,000
Active - Class - 2
At time of inspection, observed an internal access path at exposure 1 used by workers without overhead protection in place. site has reachedroof level, and area is potentially subject to falling material during
Jul 9, 2025 · Penalty $1,250
Active - Class - 2
New 3 story building . observed: sws erected on exposure 1 ,checked the sws drawings was noted it constructed contrary to building code 28-105.12.2
Oct 21, 2024 · Penalty $3,125
Resolve - Class - 2
New 3 story building. observed active site cp present upon inspection was noted great amount of construction debris , ,and black plastic garbage bags on site creating hazards for rodents on site and neighborin
Oct 21, 2024 · Penalty $3,125
Resolve - Class - 2
New 3 story building .observed: active site cp present upon inspection and research on bis and dob now was noted fence permit b08025552-s7-fn has been expired on 10-13-24 contrary to building code
Oct 21, 2024 · Penalty $3,125
Resolve - Class - 2
Zr23-44/"permitted obstructions"in required side yards or rear yards equipments.premises under p.c. alt#2321103006.loc.folder.noted:at time of inspection observed at side yard of a residential 2 family dwelling
Apr 4, 2018
Resolve - Class - 2
Zr23-44/fences,may not exceed four feet in height aboe adjoining grade in any #front yard #.premises under p.c. alt2#321101006.loc.noted:at time of inspection application filed for renovations of a 2 family dwe
Apr 4, 2018
Resolve - Class - 2
Work does not conform to approved construction documents and or approved amendments.premises under p.c.alt#2321103006 l.o.c folder,noted:at time of inspection plans indicate new entry door and concrete steps fo
Apr 4, 2018 · Penalty $1,250
Resolve
Complaints
No HPD complaints in our records
Sales history
No recorded sales in our data
Building details
- Building type
- Office building (O8)
- Year built
- 1899
- Floors
- 2
- Residential units
- 1
- Building area
- 6,322 ft²
- Lot area
- 4,479 ft²
- Zoning
- M1-2
- Community board
- 302
- Council district
- 35
- Block / lot
- 2031 / 50
- Assessed value
- $136,800
- Landmark / historic district
- No
Questions about 42 Adelphi Street
Who owns 42 Adelphi Street?
The owner of record in NYC Department of City Planning PLUTO data is Idenburg, Florian.
Does 42 Adelphi Street have violations?
NYC HPD has no housing violations on record for this property.
Is 42 Adelphi Street 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 42 Adelphi Street built?
City records list 1899 as the year it was built.
How many apartments are in 42 Adelphi Street?
It has 1 residential units and 2 units in total.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.