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491 Mason Avenue

Staten Island, NY 10305BBL 5-03660-0035Map

Owner of record: Chen, Yun Jiang

491 Mason Avenue is a two-family home built in 1985 in Staten Island, 10305. It has 2 residential units across 2 floors. The owner of record is Chen, Yun Jiang. HPD has no housing violations on record for this property.

HPD violations
0
DOB violations
1
ECB violations
1
HPD complaints
0

What to know

Good
No open Class C

No open immediately-hazardous violations among recent records.

Good
No HPD violations

HPD has not cited this building.

Good
No unpaid ECB fines

No balance due on recent ECB violations.

Rent stabilization

No rent-stabilized units in 2018–2024 tax bills

Some apartments can still be regulated. Use the rent-stabilized checker or request the rent history from HCR.

Violations

Most recent first. The newest 10 per agency here; the full lists are a click away.

HPD housing violations · 0

No HPD violations on record

DOB building violations · 1

  • Construction other optional

    C-construction other optional

    Nov 20, 1989

    Vp-violation unserved ecb-active

ECB violations · 1

  • Non-hazardous

    Work without a permit. a frame extension about 18' x 20' x 10' high at rear right side of building. remedy: obtain a permit.

    Nov 20, 1989 · Penalty $250

    Resolve

Complaints

No HPD complaints in our records

Complaint data is still being backfilled from NYC Open Data.

Sales history

DatePriceTypeUnits
Dec 23, 2025$1,103,000Two family dwellings2

Building details

Building type
Two-family home (B2)
Year built
1985
Floors
2
Residential units
2
Building area
2,120 ft²
Lot area
6,500 ft²
Zoning
R3-1
Community board
502
Council district
50
Block / lot
3660 / 35
Assessed value
$58,320
Landmark / historic district
No

Questions about 491 Mason Avenue

Who owns 491 Mason Avenue?

The owner of record in NYC Department of City Planning PLUTO data is Chen, Yun Jiang.

Does 491 Mason Avenue have violations?

NYC HPD has no housing violations on record for this property.

Is 491 Mason Avenue rent stabilized?

No rent-stabilized units appear in its 2018–2024 tax bills. Individual apartments can still be regulated, so request the rent history from NYS Homes and Community Renewal if unsure.

When was 491 Mason Avenue built?

City records list 1985 as the year it was built.

How many apartments are in 491 Mason Avenue?

It has 2 residential units.

Source: NYC Open Data (DCP PLUTO, HPD, DOB, ECB/OATH, DOF). Records can lag the city's systems. Data refreshed weekly.