42 DIAMOND STREET
42 DIAMOND STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3026850058) built in 1930, with 8 residential units across 4 floors.
The building is in NYC community district 301, council district 33, zoning district R6B, on a 2,800-square-foot lot with a building footprint of 8,814 square feet.
The current registered owner of record per NYC PLUTO is 42-44 DIAMOND STREET LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 17, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerMICHAEL GUT
- Corporate Owner42-44 DIAMOND STREET LLC
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R6B
- Lot size:
- 2,800 sqft
- Building area:
- 8,814 sqft
- Floors:
- 4
- Assessed value:
- $993K
- Community district:
- 301
- Council district:
- 33
HPD violations
Recent HPD violation details
- Class AInspected Apr 8, 2021(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
- Class AInspected Nov 14, 2018§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON…
- Class AInspected Nov 14, 2018§ 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES…
- Class AInspected Nov 14, 2018§ 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE…
- Class AInspected Apr 3, 2016SECTION 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF T…
Recent ACRIS activity
Frequently asked questions about 42 DIAMOND STREET
Who owns 42 DIAMOND STREET?
The current registered owner of record for 42 DIAMOND STREET per NYC PLUTO is 42-44 DIAMOND STREET LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 42 DIAMOND STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 42 DIAMOND STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 42 DIAMOND STREET have?
No open HPD housing-maintenance code violations are on record for 42 DIAMOND STREET as of May 17, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 42 DIAMOND STREET?
NYC Department of Finance assesses 42 DIAMOND STREET at $993K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 42 DIAMOND STREET and what does that mean?
42 DIAMOND STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.