659 LEFFERTS AVENUE
659 LEFFERTS AVENUE is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3014260070) built in 1920, with 3 residential units across 2 floors.
The building is in NYC community district 309, council district 40, zoning district R7-1, on a 2,525-square-foot lot with a building footprint of 2,640 square feet.
The current registered owner of record per NYC PLUTO is MARY ELIZABETH CORNWALL LIVING TRUST.
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 18, 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 Officer# #
- Managing AgentMARY CORNWALL
- Site ManagerJASON CORNWALL
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R7-1
- Lot size:
- 2,525 sqft
- Building area:
- 2,640 sqft
- Floors:
- 2
- Assessed value:
- $85K
- Community district:
- 309
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class AInspected May 5, 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 10, 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 10, 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 23, 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 659 LEFFERTS AVENUE
Who owns 659 LEFFERTS AVENUE?
The current registered owner of record for 659 LEFFERTS AVENUE per NYC PLUTO is MARY ELIZABETH CORNWALL LIVING TRUST. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 659 LEFFERTS AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 659 LEFFERTS 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 659 LEFFERTS AVENUE have?
No open HPD housing-maintenance code violations are on record for 659 LEFFERTS AVENUE as of May 18, 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 659 LEFFERTS AVENUE?
NYC Department of Finance assesses 659 LEFFERTS AVENUE at $85K 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 659 LEFFERTS AVENUE and what does that mean?
659 LEFFERTS AVENUE is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.