637 CARLTON AVENUE
637 CARLTON AVENUE is a Class B3 (two-family converted) building in Brooklyn (BBL 3011580005) built in 1868, with 2 residential units across 3 floors.
The building is in NYC community district 308, council district 35, zoning district R6B, on a 1,680-square-foot lot with a building footprint of 2,940 square feet.
The current registered owner of record per NYC PLUTO is GAUDIO, MAURA.
The most recent ACRIS deed transfer for this BBL was recorded on June 4, 2025 when THE LILLAN COZZARELLI REV. TRUST U/T/D 6/25/2020; LILLIAN COZZARELLI, AS TRUSTEE conveyed the property to BRILL, ALEXANDER; GAUDIO, MAURA for $2.95M. 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 4)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,680 sqft
- Building area:
- 2,940 sqft
- Floors:
- 3
- Assessed value:
- $261K
- Community district:
- 308
- Council district:
- 35
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 637 CARLTON AVENUE
Who owns 637 CARLTON AVENUE?
The current registered owner of record for 637 CARLTON AVENUE per NYC PLUTO is GAUDIO, MAURA. The most recent ACRIS deed transfer for this BBL was recorded on June 4, 2025 when the property was conveyed to BRILL, ALEXANDER; GAUDIO, MAURA. 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 637 CARLTON AVENUE last sold?
The most recent ACRIS deed transfer for 637 CARLTON AVENUE was recorded on June 4, 2025, when THE LILLAN COZZARELLI REV. TRUST U/T/D 6/25/2020; LILLIAN COZZARELLI, AS TRUSTEE conveyed the property to BRILL, ALEXANDER; GAUDIO, MAURA for $2.95M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 637 CARLTON AVENUE have?
No open HPD housing-maintenance code violations are on record for 637 CARLTON AVENUE. 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 637 CARLTON AVENUE?
NYC Department of Finance assesses 637 CARLTON AVENUE at $261K 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 637 CARLTON AVENUE and what does that mean?
637 CARLTON AVENUE 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.