6404 20 AVENUE
6404 20 AVENUE is a Class S4 (walk-up + store) building in Brooklyn (BBL 3055480039) built in 1931, with 5 residential units across 3 floors.
The building is in NYC community district 311, council district 43, zoning district R5, on a 1,600-square-foot lot with a building footprint of 3,322 square feet.
The current registered owner of record per NYC PLUTO is 6404 20TH AVENUE.
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 OfficerMaria Montalbano
- Corporate OwnerMaria Montalbano IRREV TRUST
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R5
- Lot size:
- 1,600 sqft
- Building area:
- 3,322 sqft
- Floors:
- 3
- Assessed value:
- $380K
- Community district:
- 311
- Council district:
- 43
HPD violations
Recent HPD violation details
- Class AInspected May 1, 2026(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 IInspected Nov 18, 2025§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
- Class AInspected Jun 6, 2025(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 Apr 3, 2024(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 Mar 20, 2023(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…
Recent ACRIS activity
Frequently asked questions about 6404 20 AVENUE
Who owns 6404 20 AVENUE?
The current registered owner of record for 6404 20 AVENUE per NYC PLUTO is 6404 20TH AVENUE. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 6404 20 AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 6404 20 AVENUE 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 6404 20 AVENUE have?
No open HPD housing-maintenance code violations are on record for 6404 20 AVENUE 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 6404 20 AVENUE?
NYC Department of Finance assesses 6404 20 AVENUE at $380K 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 6404 20 AVENUE and what does that mean?
6404 20 AVENUE is NYC building class S4 — Walk-up + store. A walk-up apartment with one or more store 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.