New York City  »  10309  »  Seguine Ave  »  375 Seguine Ave

SI University South - 375 Seguine Avenue, Staten Island, NY 10309 - Property report

Also known as: 351-375 Seguine Ave

Property image for SI University South - 375 Seguine Avenue, Staten Island, NY 10309
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Property type

Hospital, Sanitarium, Mental Institution (I1)

Year built

1967

Lot sq. ft.

251,199

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Building name
SI University South
Primary address
SI University South - 375 Seguine Avenue
Alternate address(es)
351-375 Seguine Ave
375 Rear Seguine Ave
ZIP code
10309
Neighborhood
Prince's Bay
Borough
Staten island
Block & lot
06670-0001

Owner

Find out who owns SI University South - 375 Seguine Avenue, Staten Island, NY 10309. Uncover corporate and individual owners with a free account.

Building
Property type
Hospital, Sanitarium, Mental Institution (I1)
Building sq. ft.
220,240
Building dimensions
42 ft x 130 ft
Buildings on lot
2
Stories
3
Year built
1967
Last altered
1987
Building material
Tax
Tax year
2026-2027
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
0
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
556 ft x 465 ft
Lot sq. ft.
251,199

Area overview

Walk score
33 /100.  Car-Dependent
Transit score
55 /100.  Good Transit
Bike score
58 /100.  Bikeable
School district
31
Community district
3
Closest police station
0.91 Miles
Closest fire station
1.19 Miles

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Ownership

Ownership information for SI University South - 375 Seguine Avenue, Staten Island, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for SI University South - 375 Seguine Avenue, Staten Island, NY 10309

No recently recorded sales for this property.

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Title documents

No recently recorded documents for this property.

Tax

Property taxes for SI University South - 375 Seguine Avenue, Staten Island, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Municipal exemptions
Recent tax assessments
Market value
$83,403,000
Assessed value
$37,531,350

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $81,395,000 $36,627,750 $0 10.848% $3,731,983 $0 n/a
2024/25 $80,202,000 $36,090,900 $0 10.762% $3,572,385 $0 n/a
2023/24 $78,585,000 $35,363,250 $0 10.592% $3,380,255 $0 n/a
2022/23 $74,096,000 $33,343,200 $0 10.646% $3,251,870 $0 n/a
2021/22 $67,972,000 $30,587,400 $0 10.755% $3,145,799 $0 n/a
2020/21 $67,972,000 $30,587,400 $0 10.694% $3,019,718 $0 n/a
2019/20 $65,967,000 $29,685,150 $0 10.537% $2,840,258 $0 n/a
2018/19 $63,387,000 $28,524,150 $0 10.514% $2,686,319 $0 n/a
2017/18 $59,698,000 $26,864,100 $0 10.514% $2,542,733 $0 n/a
2016/17 $56,726,000 $25,526,700 $0 10.574% $2,434,927 $0 n/a
Permits

Permit information for SI University South - 375 Seguine Avenue, Staten Island, NY

Filing date Job type Job status Job description Initial cost
07/10/2026 Alteration
05/12/2026 Alteration
04/17/2026 Alteration
03/17/2026 Alteration
03/02/2026 Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
06/30/2023 Aeuhaz1-fail to certify class 1 none
03/16/2020 Hblvio-high pressure boiler
03/16/2020 Hblvio-high pressure boiler

*Most recent DOB violations on record for this property.

Neighborhood

Staten Island commercial market stats

Review a detailed real estate market overview of Staten Island and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Staten Island and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$348

-1.7% Y-o-Y

Q1 2026 median price/sq. ft.

$335

1% Y-o-Y

2025 median price/sq. ft.

$331

3.7% Y-o-Y

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Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
5

Subway & traffic

Closest station
Seguine Av & Herbert St at NE Corner
Station lines
SIR
Distance (miles)
0.609
View subway map

Access the detailed traffic volume map for SI University South - 375 Seguine Avenue, Staten Island, NY 10309 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for SI University South - 375 Seguine Avenue, Staten Island, NY

325 Seguine Ave, Staten Island 45 Seguine Ave, Staten Island 239 Seguine Ave, Staten Island 115 Seguine Ave, Staten Island 15 Seguine Ave, Staten Island 74 Melville St, Staten Island 944 Huguenot Ave, Staten Island 5810 Amboy Rd, Staten Island 117 Harriet Ave, Staten Island 73 Seguine Ave, Staten Island 507 Seguine Ave, Staten Island 474 Holten Ave, Staten Island 27 Seguine Ave, Staten Island 51 Wilbur St, Staten Island 425 Seguine Ave, Staten Island 272 Cornelia Ave, Staten Island 100 Luten Ave, Staten Island 590 Seguine Ave, Staten Island 91 Trenton CT, Staten Island 491 Seguine Ave, Staten Island

Nearby ZIP codes for SI University South - 375 Seguine Avenue, Staten Island, NY

07001, Middlesex County, NJ 07008, Middlesex County, NJ 07064, Middlesex County, NJ 07077, Middlesex County, NJ 07095, Middlesex County, NJ 07721, Middlesex County, NJ 07721, Monmouth County, NJ 08830, Middlesex County, NJ 08832, Middlesex County, NJ 08861, Middlesex County, NJ 08863, Middlesex County, NJ 08879, Middlesex County, NJ 10306, New York City, NY 10307, New York City, NY 10308, New York City, NY 10311, New York City, NY 10312, New York City, NY 10314, New York City, NY

Frequently asked questions

What is the year built for SI University South - 375 Seguine Avenue, Staten Island, NY 10309?

The development at SI University South - 375 Seguine Avenue, Staten Island, NY 10309 was built in 1967.

What is the total square footage of SI University South - 375 Seguine Avenue, Staten Island, NY 10309?

SI University South - 375 Seguine Avenue, Staten Island, NY 10309 has a total of 220,240 square feet.

What is the assessed value of SI University South - 375 Seguine Avenue, Staten Island, NY 10309?

SI University South - 375 Seguine Avenue, Staten Island, NY 10309 is currently assessed at $37,531,350.

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