Islip Assessor in Islip, New York

Popularity:#4 of 5 Assessor Offices in Suffolk County#48 of 282 Assessor Offices in New York#1,973 in Assessor Offices

Islip Assessor Contact Information

Address, Phone Number, Fax Number, and Hours for Islip Assessor, an Assessor Office, at Nassau Avenue, Islip NY.

Islip Assessor
40 Nassau Avenue, Ste 3
Islip, New York, 11751
Mon-Fri 8:30 AM-5:00 PM

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Map of Islip Assessor in Islip, New York

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Assessor Offices Nearby

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About the Islip Assessor

The Islip Assessor, located in Islip, New York, determines the value of all taxable property in Suffolk County, NY. Taxable property includes land and commercial properties, often referred to as real property or real estate, and fixed assets owned by businesses, often referred to as personal property. Property assessments performed by the Assessor are used to determine the Suffolk County property taxes owed by individual taxpayers.

Property owners may contact the Assessment Office for questions about:
  • Suffolk County, NY property tax assessments
  • Property tax appeals and reassessments
  • Paying property tax bills and due dates
  • Property tax rates and tax roll
  • Suffolk County GIS maps, property maps, and plat maps
  • Property records and deeds in Suffolk County

Islip Home & Property Tax Statistics

Find Islip Home Values, Property Tax Payments (Annual), Property Tax Collections (Total), and Housing Characteristics. Data Source: U.S. Census Bureau; American Community Survey, 2018 ACS 5-Year Estimates.

Islip Home Values
 IslipSuffolk County
Median Home Value$369,000$386,800
Median Rental Cost (per month)$1,478$1,698
Islip Property Tax Payments (Annual)
 IslipSuffolk County
Median Property Taxes$10,001$9,157
Median Property Taxes (Mortgage)$10,001$9,397
Median Property Taxes (No Mortgage)$10,001$8,534
Islip Property Tax Collections (Total)
 IslipSuffolk County
Property Taxes$53,685,700$3,654,805,400
Property Taxes (Mortgage)$36,977,600$2,551,296,300
Property Taxes (No Mortgage)$16,708,000$1,103,509,100
Islip Housing Characteristics
 IslipSuffolk County
Total Housing Units6,405575,162
Occupied Housing Units5,934 (92.6%)487,981 (84.8%)
Vacant Housing Units471 (7.4%)87,181 (15.2%)
Owner Occupied Housing Units5,158 (86.9%)390,897 (80.1%)
Renter Occupied Housing Units776 (13.1%)97,084 (19.9%)
Housing Units (Mortgage)66.4%67.6%
Housing Units (No Mortgage)33.6%32.4%