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NYC Building Records · BBL 5063390090

550 STAFFORD AVENUE

Staten Island · Block 6339 · Lot 90 · One-family one-story (Class A2)

550 STAFFORD AVENUE is a Class A2 (one-family one-story) building in Staten Island (BBL 5063390090) built in 1970, with 1 residential unit.

The current registered owner of record per NYC PLUTO is MULHAM , WILLIAM.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

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

MULHAM , WILLIAM

Most recent deed

Most recent ACRIS document: RPTT recorded Mar 4, 2026.
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Recent ACRIS documents (last 1)

DateTypeAmountParties
Mar 4, 2026RPTTNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the redacted buyer/seller name above →

Building stats

Units
1
Year built
1970
Class
A2
Borough
Staten Island

HPD violations

0 open
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

No open HPD violations recorded for this building.

Recent ACRIS activity

1 document in the last 5 years (most recent Mar 4, 2026).

Frequently asked questions about 550 STAFFORD AVENUE

Who owns 550 STAFFORD AVENUE?

The current registered owner of record for 550 STAFFORD AVENUE per NYC PLUTO is MULHAM , WILLIAM. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 550 STAFFORD AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 550 STAFFORD AVENUE in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 550 STAFFORD AVENUE have?

No open HPD housing-maintenance code violations are on record for 550 STAFFORD 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 building class is 550 STAFFORD AVENUE and what does that mean?

550 STAFFORD AVENUE is NYC building class A2 — One-family one-story. A single-family detached one-story dwelling. 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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