3840 FLATLANDS AVENUE
3840 FLATLANDS AVENUE is a Class S1 (one-family + store) building in Brooklyn (BBL 3078580044) built in 1931, with 2 residential units across 2 floors.
The building is in NYC community district 318, council district 45, zoning district R3-2, on a 2,000-square-foot lot with a building footprint of 2,600 square feet.
The current registered owner of record per NYC PLUTO is STEWART M. GROSS REVOCABLE TRUST.
The most recent ACRIS deed transfer for this BBL was recorded on February 14, 2025 when GROSS, STEWART conveyed the property to GROSS, TRUSTEE, STEWART M; STEWART M. GROSS REVOCABLE TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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
- Managing AgentACCURATE BROKERS LTD
- Site ManagerSTEWART GROSS
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R3-2
- Lot size:
- 2,000 sqft
- Building area:
- 2,600 sqft
- Floors:
- 2
- Assessed value:
- $56K
- Community district:
- 318
- Council district:
- 45
HPD violations
Recent HPD violation details
- 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 22, 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…
- Class AInspected Feb 24, 2022(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 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 Jan 19, 2019§ 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE EAST AND SOUTH WALL TILES IN THE BATHROOM LOCATED AT APT 1, 2nd STORY,…
Recent ACRIS activity
Frequently asked questions about 3840 FLATLANDS AVENUE
Who owns 3840 FLATLANDS AVENUE?
The current registered owner of record for 3840 FLATLANDS AVENUE per NYC PLUTO is STEWART M. GROSS REVOCABLE TRUST. The most recent ACRIS deed transfer for this BBL was recorded on February 14, 2025 when the property was conveyed to GROSS, TRUSTEE, STEWART M; STEWART M. GROSS REVOCABLE TRUST. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 3840 FLATLANDS AVENUE last sold?
The most recent ACRIS deed transfer for 3840 FLATLANDS AVENUE was recorded on February 14, 2025, when GROSS, STEWART conveyed the property to GROSS, TRUSTEE, STEWART M; STEWART M. GROSS REVOCABLE TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 3840 FLATLANDS AVENUE have?
No open HPD housing-maintenance code violations are on record for 3840 FLATLANDS 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 3840 FLATLANDS AVENUE?
NYC Department of Finance assesses 3840 FLATLANDS AVENUE at $56K 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 3840 FLATLANDS AVENUE and what does that mean?
3840 FLATLANDS AVENUE is NYC building class S1 — One-family + store. A one-family dwelling with one store unit. 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.