Suffolk County  »  11751  »  Grant Ave  »  320 Grant Ave

320 Grant Avenue, Islip, NY 11751 - Property report

Also known as: 320 Grant Ave

Property image for 320 Grant Avenue, Islip, NY 11751
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Property type

One Family Year-Round Residence (210)

Year built

1972

Acreage

0.33

Sale price

$550,000

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
Primary address
320 Grant Avenue
ZIP code
11751
County
Suffolk
Village (SWIS code)
472889
Parcel ID
319-2-97

Owner

Find out who owns 320 Grant Avenue, Islip, NY 11751. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/27/2021
Sale price
$550,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$12,310
Zoning & Use
Zoning
Residential (B)
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,926
Year built
1972
Lot
Acreage
0.33

Area overview

Walk score
54 /100.  Somewhat Walkable
Transit score
0 /100.  Minimal Transit
Bike score
47 /100.  Somewhat Bikeable
School district
472802

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 320 Grant Avenue, Islip, NY

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

Sales history for 320 Grant Avenue, Islip, NY 11751

Sale date Sale price Buyer name Seller name
08/27/2021 $550,000 XXX XXXX XXXXXXX; XXXXXXXX XXXX XXXX XXXXXXXXX; XXXXXX XXXXXXXXX
11/13/2006 $419,000 XXXX XXXXXXXXX; XXXXXX XXXXXXXXX XXXXXXXX XXXXXXX
07/14/1999 $210,000 XXXXXXXX XXXXXXXX XXXXX XXXXXX

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/13/2021 - R
08/27/2021 - D		 Deed
(Bargain and sale)		 XXXX XXXXXXXXX XXX XXXX XXXXXXX
12/14/2006 - R
11/13/2006 - D		 Deed
(Bargain and sale)		 XXXXXXXX XXXXXXX XXXX XXXXXXXXX
07/23/1999 - R
07/14/1999 - D		 Deed XXXXX XXXXXX XXXXXXXX XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 320 Grant Avenue, Islip, NY

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

Current property tax
Tax year
2025-2026
Property tax
$12,310
Recent tax assessments
Market value
$549,296
Assessed value
$39,000

More about Suffolk County 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 Tax rate Property tax Y-o-Y change
2025-2026 $549,296 $39,000 31.564 $12,310 +3.54%
2024-2025 $549,296 $39,000 30.486 $11,890 +3.73%
2023-2024 $535,714 $39,000 29.39 $11,462 +1.68%
2022-2023 $471,014 $39,000 28.904 $11,273 +0.07%
2021-2022 $420,259 $39,000 28.884 $11,265 +3.07%
2020-2021 $402,062 $39,000 28.023 $10,929 -26.94%
2019-2020 $343,612 $39,000 38.357 $14,959 +50.41%
2018-2019 $343,612 $39,000 25.502 $9,946 +0.85%
2017-2018 $321,782 $39,000 25.286 $9,862 -1.55%
2016-2017 $307,087 $39,000 25.684 $10,017 +4.39%
Permits

Permit information for 320 Grant Avenue, Islip, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
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Access the detailed traffic volume map for 320 Grant Avenue, Islip, NY 11751 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Wing Elementary School NR Public K-1 379 0.25
Commack Road Elementary School 3 Public 2-5 397 0.48
St Mary School NR Private PK-8 413 1.21
St Mary School NR Private PK-8 413 1.21
St Patrick School NR Private PK-8 534 1.43
St Patrick School NR Private PK-8 534 1.43
Maud S Sherwood Elementary School 6 Public 2-5 335 1.47
Loretta Park Elementary School 4 Public 1-5 646 1.61
Laurel Park Elementary School 3 Public 1-5 665 1.68
Brook Avenue Elementary School NR Public K-2 400 1.70
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Islip Middle School 4 Public 6-8 641 0.88
St Mary School NR Private PK-8 413 1.21
St Patrick School NR Private PK-8 534 1.43
East Islip Middle School 6 Public 6-8 804 1.82
Bay Shore Middle School 5 Public 6-8 1,298 1.98
South Middle School 3 Public 6-8 1,033 2.64
MDQ Academy NR Private PK-12 412 2.73
East Middle School 4 Public 6-8 1,159 3.10
Our Lady Of Providence Regional School NR Private PK-8 251 3.34
St Peters By The Sea Episcopal Day School NR Private PK, K-8 176 3.96
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Islip High School 9 Public 9-12 892 0.80
East Islip High School 8 Public 9-12 1,145 1.83
Bay Shore Senior High School 5 Public 9-12 1,910 2.16
MDQ Academy NR Private PK-12 412 2.73
Brentwood High School 3 Public 9-12 4,641 3.14
Central Islip Senior High School 3 Public 9-12 2,576 4.04
Freshman Center NR Public 9 1,247 4.18
Connetquot Alternative Preschool At Premm NR Public 0 4.58
Connetquot High School 8 Public 9-12 1,757 4.99
St John The Baptist Diocesan High School NR Private 9-12 1,335 5.11

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 320 Grant Avenue, Islip, NY

159 5th Ave, Bay Shore 1685 Pine Acres Blvd, Bay Shore 983 Sycamore Ave, Bohemia 10 Katherine Pl, Oakdale 25 Timber Ridge Dr, Holbrook 129 Commack Rd, Islip 11 Brentwood Pkwy, Brentwood 1696 Pine Grove Blvd, Bay Shore 692 Motor Pkwy, Brentwood 69 Handsome Ave, Sayville 233 W Islip Rd, West Islip 159 Bridle Way, Oakdale 260 Riddle St, Brentwood 221 Atlantic St, Central Islip 419 Myrtle Ave, West Islip 33 E Cherry St, Central Islip 491 Grundy Ave, Holbrook 12 W Lighthouse Walk, Bay Shore 30 Pineville Rd, Central Islip 2 Beatrice Ave, West Islip

Nearby ZIP codes for 320 Grant Avenue, Islip, NY

11702, Suffolk County, NY 11703, Suffolk County, NY 11706, Suffolk County, NY 11716, Suffolk County, NY 11717, Suffolk County, NY 11718, Suffolk County, NY 11722, Suffolk County, NY 11725, Suffolk County, NY 11729, Suffolk County, NY 11730, Suffolk County, NY 11739, Suffolk County, NY 11749, Suffolk County, NY 11752, Suffolk County, NY 11769, Suffolk County, NY 11770, Suffolk County, NY 11779, Suffolk County, NY 11787, Suffolk County, NY 11788, Suffolk County, NY 11795, Suffolk County, NY 11796, Suffolk County, NY

Frequently asked questions

What is the year built for 320 Grant Avenue, Islip, NY 11751?

The development at 320 Grant Avenue, Islip, NY 11751 was built in 1972.

What is the total square footage of 320 Grant Avenue, Islip, NY 11751?

320 Grant Avenue, Islip, NY 11751 has a total of 1,926 square feet.

When was 320 Grant Avenue, Islip, NY 11751 last sold and what was the sale price?

320 Grant Avenue, Islip, NY 11751 was last sold on 08/27/2021 for $550,000.

What is the assessed value of 320 Grant Avenue, Islip, NY 11751?

320 Grant Avenue, Islip, NY 11751 is currently assessed at $39,000.

What are the property taxes for 320 Grant Avenue, Islip, NY 11751?

The property taxes for 320 Grant Avenue, Islip, NY 11751 total $12,309.

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