450 Classon Avenue
Brooklyn, NY 11238BBL 3-01984-0050Map
Owner of record: 450 Klasson LLC
450 Classon Avenue is a walk-up apartment building built in 1931 in Brooklyn, 11238. It has 4 residential units across 4 floors. The owner of record is 450 Klasson LLC. HPD has recorded 2 housing violations here, most recently on November 14, 2022. 1 of the 2 most recent violations are still open.
- HPD violations
- 2
- DOB violations
- 8
- ECB violations
- 2
- 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 · 2
- IInformation / order
And is therefore subject to civil penalties, prohibited from certifying violations, and denied the right to recover possession of premises for nonpayment of rent until a valid registration statement is filed.
Nov 14, 2022
Closed — Violation dismissed - BHazardous
Section 300, 301, 302, m/d law file plans and obtain a certificate of occupancy to legalize the following alteration or restore premises to prior legal condition building change from 1 apt and 9 b-room to 4 apt.
May 10, 2004
Open — Not complied with
DOB building violations · 8
- Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
May 4, 1998
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Sep 16, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Feb 10, 1997
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 29, 1995
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1994
Dob violation - dismissed - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Aug 16, 1993
Dob violation - active - Boilers boiler required
Ll6291-local law 62/91 - boilers boiler required
Jun 1, 1993
Dob violation - dismissed - Plumbing none
P-plumbing none
Jan 14, 1991
Dob violation - dismissed
ECB violations · 2
- Class - 2
Work w/o a permit work noted roof deck w/ roof covering erected at top of third fl w/ replaced previously existing attic constructed of metal column metal fence etc rem: obtain permit if feasible
Dec 16, 2009 · Penalty $800
Resolve - Non-hazardous
Work without a permit as requird under alteration appl#2038/88. remedystop all work until permit obtained&perovide on premises.
May 15, 1991
Resolve
Complaints
- General
Doors
Jun 23, 2004 · Apt 1
Close
Sales history
No recorded sales in our data
Building details
- Building type
- Walk-up apartment building (C3)
- Year built
- 1931
- Floors
- 4
- Residential units
- 4
- Building area
- 4,500 ft²
- Lot area
- 2,092 ft²
- Zoning
- R6B
- Community board
- 302
- Council district
- 35
- Block / lot
- 1984 / 50
- Assessed value
- $813,150
- Landmark / historic district
- No
HPD registration #311573, last renewed Jul 22, 2026.
Questions about 450 Classon Avenue
Who owns 450 Classon Avenue?
The owner of record in NYC Department of City Planning PLUTO data is 450 Klasson LLC.
Does 450 Classon Avenue have violations?
Yes. NYC HPD has recorded 2 housing violations at this property.
Is 450 Classon 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 450 Classon Avenue built?
City records list 1931 as the year it was built.
How many apartments are in 450 Classon Avenue?
It has 4 residential units.
Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.