Mariners Harbor, Staten Island: building violations, landlords and rent stabilization

Mariners Harbor, Staten Island, has 129 graded residential buildings with 3 or more units, as of Oct 28, 2026. By grade: 68 A, 10 B, 20 C, 14 D and 17 F. The median building has 2.4 open HPD violations per 10 units, against 0.3 across Staten Island. 381 of its 10,479 residential units (4%) are rent-stabilized on the latest Department of Finance tax bills on file. The most common housing complaints to 311 in the last 12 months were heat and hot water (372), unsanitary condition (313), and plumbing (263).

Mariners Harbor by the numbers

5,609 residential buildings (10,479 units) on record. 7,840 open HPD violations (827 class C, immediately hazardous). 1,291 housing complaints to 311 in the last 12 months, 140 executed evictions in 3 years, 1 reported bedbug infestations in 3 years. 10 buildings have rent-stabilized units on their tax bills.

Worst five in Mariners Harbor

Most open HPD violations per 10 units. Graded rental buildings with 6 or more units; co-ops, condos and NYCHA are left out. Only buildings with an HPD violation issued in the last 24 months or a 311 housing complaint in the last 12 are listed.

  1. 12 Harbor Road: 90 open violations per 10 units (63 open, 7 units), grade D, owner: PARLA ENTERPRISES INC
  2. 3240 Richmond Terrace: 36.7 open violations per 10 units (22 open, 6 units), grade D, owner: AMENZE GLOBAL LLC
  3. 50 Harbor Loop: 32.9 open violations per 10 units (125 open, 38 units), grade F, owner: HARBOR COURT APTS II LLC
  4. 30 Grandview Avenue: 31.7 open violations per 10 units (19 open, 6 units), grade F, owner: BVA MARINERS REALTY CORP
  5. 20 Lockman Loop: 29.3 open violations per 10 units (117 open, 40 units), grade F, owner: HARBOR COURT APTS I LLC

Best five in Mariners Harbor

Rental buildings graded A or B with 6 or more units and a current HPD registration, ordered by the housing-code violations HPD issued per 10 units in the last 3 years, then 311 housing complaints per 10 units in the last 12 months, then class C (immediately hazardous) violations issued in 3 years, then the median days HPD took to close a violation in the last 12 months. Size is never a tie-breaker. Co-ops, condos and public housing (NYCHA) are left out. At least 5 years of record. Best buildings citywide.

  1. 1279 Richmond Avenue: 0.0 HPD violations issued per 10 units in 3 years, 3.0 311 housing complaints per 10 units in 12 months (10 units, built 1977), grade B, owner: POILLON PROPERTIES LLC
  2. 475 Morningstar Road: 3.3 HPD violations issued per 10 units in 3 years, 2.5 311 housing complaints per 10 units in 12 months (12 units, built 1931), grade A, owner: 475 MORNINGSTAR LLC

Largest landlords in Mariners Harbor

By units in Mariners Harbor, among portfolios of 3 or more buildings and 50 or more units citywide. Names are as filed on HPD registrations. How totals are counted. Report an error.

  1. Brian Raddock (head officer on HPD registrations): 536 units in 1 building
  2. GARY GRINBERG (head officer on HPD registrations): 157 units in 59 buildings
  3. MARTIN KIRZNER (head officer on HPD registrations): 114 units in 4 buildings
  4. VINCENT RAGOSTA (head officer on HPD registrations): 52 units in 1 building
  5. SAMIR LAZOJA (head officer on HPD registrations): 12 units in 1 building

Nearby neighborhoods

Sources: NYC HPD housing maintenance code violations, HPD property registrations and housing litigation, 311 service requests, DOB violations, NYC Marshals evictions, and HPD bedbug filings from NYC Open Data, plus rent-stabilized unit counts from NYC Department of Finance tax bills. How grades work.