599 EAST 91 STREET
599 EAST 91 STREET is a Class B3 (two-family converted) building in Brooklyn (BBL 3047120013) built in 1930, with 2 residential units across 1 floor.
The building is in NYC community district 317, council district 42, zoning district R5, on a 2,700-square-foot lot with a building footprint of 1,932 square feet.
The current registered owner of record per NYC PLUTO is ARMSTRONG AS TRUSTEE, PAUL.
The most recent ACRIS deed transfer for this BBL was recorded on August 19, 2025 when ARMSTRONG, MARK conveyed the property to ARMSTRONG AS TRUSTEE, PAUL; GOBIN AS TRUSTEE, ANDREA S; MARK ARMSTRONG IRREVOCABLE TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R5
- Lot size:
- 2,700 sqft
- Building area:
- 1,932 sqft
- Floors:
- 1
- Assessed value:
- $45K
- Community district:
- 317
- Council district:
- 42
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 599 EAST 91 STREET
Who owns 599 EAST 91 STREET?
The current registered owner of record for 599 EAST 91 STREET per NYC PLUTO is ARMSTRONG AS TRUSTEE, PAUL. The most recent ACRIS deed transfer for this BBL was recorded on August 19, 2025 when the property was conveyed to ARMSTRONG AS TRUSTEE, PAUL; GOBIN AS TRUSTEE, ANDREA S; MARK ARMSTRONG IRREVOCABLE 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 599 EAST 91 STREET last sold?
The most recent ACRIS deed transfer for 599 EAST 91 STREET was recorded on August 19, 2025, when ARMSTRONG, MARK conveyed the property to ARMSTRONG AS TRUSTEE, PAUL; GOBIN AS TRUSTEE, ANDREA S; MARK ARMSTRONG IRREVOCABLE TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 599 EAST 91 STREET have?
No open HPD housing-maintenance code violations are on record for 599 EAST 91 STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 599 EAST 91 STREET?
NYC Department of Finance assesses 599 EAST 91 STREET at $45K 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 599 EAST 91 STREET and what does that mean?
599 EAST 91 STREET is NYC building class B3 — Two-family converted. A two-family dwelling that was converted from a one-family. 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.