517 UNDERHILL AVENUE
517 UNDERHILL AVENUE is a Class C0 (walk-up, 3+ families) building in Bronx (BBL 2035250074) built in 1960, with 3 residential units across 3 floors.
The building is in NYC community district 209, council district 18, zoning district R5, on a 2,000-square-foot lot with a building footprint of 2,140 square feet.
The current registered owner of record per NYC PLUTO is THE JOSE M. ACOSTA REVOCABLE LIVING TRUS T.
The most recent ACRIS deed transfer for this BBL was recorded on February 10, 2023 when ACOSTA, JOSE M; ACOSTA, MABEL conveyed the property to THE JOSE M. ACOSTA REVOCABLE LIVING TRUST; THE MABEL APONTE ACOSTA REVOCABLE LIVING TRUST; JOSE M ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; JOSE M ACOSTA, CO-TRUSTEE 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
- Site ManagerMabel Acosta
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R5
- Lot size:
- 2,000 sqft
- Building area:
- 2,140 sqft
- Floors:
- 3
- Assessed value:
- $48K
- Community district:
- 209
- Council district:
- 18
HPD violations
Recent HPD violation details
- Class BInspected Apr 7, 2026§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING SCUTTLE LADDER LEADING TO ROOF AT PUBLIC HALL, 3rd STORY
- Class BInspected Apr 7, 2026§ 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd ST…
- Class BInspected Apr 7, 2026§ 27-2073 ADM CODE - PROVIDE AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES GAS RANGE IN THE ENTIRE APARTMENT LOCATED AT APT 3, 3rd STORY, 1st AP…
- Class BInspected Apr 7, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM EAST AT N…
- Class BInspected Apr 7, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 1st ROOM FROM EAST AT S…
Recent ACRIS activity
Frequently asked questions about 517 UNDERHILL AVENUE
Who owns 517 UNDERHILL AVENUE?
The current registered owner of record for 517 UNDERHILL AVENUE per NYC PLUTO is THE JOSE M. ACOSTA REVOCABLE LIVING TRUS T. The most recent ACRIS deed transfer for this BBL was recorded on February 10, 2023 when the property was conveyed to THE JOSE M. ACOSTA REVOCABLE LIVING TRUST; THE MABEL APONTE ACOSTA REVOCABLE LIVING TRUST; JOSE M ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; JOSE M ACOSTA, CO-TRUSTEE. 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 517 UNDERHILL AVENUE last sold?
The most recent ACRIS deed transfer for 517 UNDERHILL AVENUE was recorded on February 10, 2023, when ACOSTA, JOSE M; ACOSTA, MABEL conveyed the property to THE JOSE M. ACOSTA REVOCABLE LIVING TRUST; THE MABEL APONTE ACOSTA REVOCABLE LIVING TRUST; JOSE M ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; MABEL APONTE ACOSTA, CO-TRUSTEE; JOSE M ACOSTA, CO-TRUSTEE for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 517 UNDERHILL AVENUE have?
No open HPD housing-maintenance code violations are on record for 517 UNDERHILL 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 517 UNDERHILL AVENUE?
NYC Department of Finance assesses 517 UNDERHILL AVENUE at $48K 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 517 UNDERHILL AVENUE and what does that mean?
517 UNDERHILL 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.