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NYC Building Records · BBL 3058640074

421 BAY RIDGE AVENUE

Brooklyn · Block 5864 · Lot 74 · Walk-up, five to six (Class C2)
Last recorded deed: Jan 2022Last HPD violation issued: 2021-04-07

421 BAY RIDGE AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3058640074) built in 1931, with 6 residential units across 3 floors.

The building is in NYC community district 310, council district 47, zoning district R5B, on a 2,500-square-foot lot with a building footprint of 4,125 square feet.

The current registered owner of record per NYC PLUTO is 421 BAY RIDGE AVENUE LLC.

The most recent ACRIS deed transfer for this BBL was recorded on January 18, 2022 when DELLAS, NIKOLAOS; DELLAS, PARASKEVI; DELLAS, PARASKEVE conveyed the property to 421 BAY RIDGE AVENUE LLC 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.

Aerial map of 421 BAY RIDGE AVENUE, BrooklynStreet View of 421 BAY RIDGE AVENUE, Brooklyn

Owner of record

421 BAY RIDGE AVENUE LLC

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Managing AgentNIKOLAOS DELLAS
  • Joint OwnerPARASKEVI DELLAS

Most recent deed

Last transferred on Jan 18, 2022 to 421 BAY RIDGE AVENUE LLC.
Previous owner: DELLAS, NIKOLAOS; DELLAS, PARASKEVI; DELLAS, PARASKEVE
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2022 sale →

Activity timeline

Recent ACRIS documents (last 1)

DateTypeAmountParties
Jan 18, 2022DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the redacted buyer/seller name above →

Building stats

Units
6
Year built
1931
Class
C2
Borough
Brooklyn
Zoning:
R5B
Lot size:
2,500 sqft
Building area:
4,125 sqft
Floors:
3
Assessed value:
$392K
Community district:
310
Council district:
47

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected Apr 7, 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 BInspected May 17, 2018
    § 27-2040 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNS…
  • Class BInspected Feb 19, 2015
    SECTION 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE LOCATED AT APT 1R, 1st STORY, APARTMENT AT NORTH
  • Class BInspected Feb 19, 2015
    SECTION 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE…
  • Class BInspected Feb 19, 2015
    SECTION 27-2037, 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES CEILING LIGHT FITXURE IN THE KITCHEN LOCAT…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

1 document in the last 5 years (most recent Jan 18, 2022).

Frequently asked questions about 421 BAY RIDGE AVENUE

Who owns 421 BAY RIDGE AVENUE?

The current registered owner of record for 421 BAY RIDGE AVENUE per NYC PLUTO is 421 BAY RIDGE AVENUE LLC. The most recent ACRIS deed transfer for this BBL was recorded on January 18, 2022 when the property was conveyed to 421 BAY RIDGE AVENUE LLC. 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 421 BAY RIDGE AVENUE last sold?

The most recent ACRIS deed transfer for 421 BAY RIDGE AVENUE was recorded on January 18, 2022, when DELLAS, NIKOLAOS; DELLAS, PARASKEVI; DELLAS, PARASKEVE conveyed the property to 421 BAY RIDGE AVENUE LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 421 BAY RIDGE AVENUE have?

No open HPD housing-maintenance code violations are on record for 421 BAY RIDGE 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 421 BAY RIDGE AVENUE?

NYC Department of Finance assesses 421 BAY RIDGE AVENUE at $392K 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 421 BAY RIDGE AVENUE and what does that mean?

421 BAY RIDGE AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 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.

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