Suffolk County » 11751 » James St » 20 James St

20 James Street, Islip, NY 11751 Property Information

Research 100M+ property records powered by:

2000+ governmental and public data sources
80 dedicated analysts and researchers
20+ years of real estate experience

Learn More

Photo & Map Show Hide

Address

Primary address	20 James Street, Islip
Zip code	11751
County	Suffolk

Municipality	Islip
Parcel ID	319-3-61

Sales & Tax Overview for 20 James Street, Islip

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Current property tax	$12,198

Lot & Building Information for 20 James Street, Islip

Building class	One Family Year-Round Residence (210)
Acreage	0.34

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Register
School district	Islip

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 20 James Street, Islip

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

• Improvements for 20 James Street, Islip , including their type, square footage, grade and when they were built.

• Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).

Unlock all property data with a free account.
Sign up

About 20 James Street, Islip

What is the assessed value of 20 James Street, Islip, NY 11751 and the property tax paid?

Assessed at $41,500, the tax amount paid for 20 James Street, Islip, NY 11751 is $13,099.

When was 20 James Street, Islip, NY 11751 last sold?

20 James Street, Islip, NY 11751 was last sold in 06/28/2013.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Commercial Real Estate nearby

Real Estate Reports:

Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs

Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million

Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide

For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.

Research 100M+ property records powered by:

2000+ governmental and public data sources
80 dedicated analysts and researchers
20+ years of real estate experience

Learn More

Past Sales & Property History for 20 James Street, Islip

Create a free account to view the complete sales history for 20 James Street, Islip, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

More about Suffolk County Property Records

Title Documents for 20 James Street, Islip

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 20 James Street, Islip

Access detailed property tax data for 20 James Street, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2025-2026
Base tax	$13,099
Current property tax	$12,198
Market value	$584,507
Assessed value	$41,500

More about Suffolk County Property Taxes

Assessment History for 20 James Street, Islip

Here's the assessment & property tax history for 20 James Street, Islip, including the evolution of the total tax rate and corresponding property tax.

Year	Market value	Assessment value	Total tax rate	Property tax	Year over year change
2025-2026	$584,507	$41,500	31.564	$13,099	+3.54%
2024-2025	$584,507	$41,500	30.486	$12,652	+3.73%
2023-2024	$570,055	$41,500	29.39	$12,197	+1.68%
2022-2023	$501,207	$41,500	28.904	$11,995	+0.07%
2021-2022	$447,199	$41,500	28.884	$11,987	+3.07%

Permits for 20 James Street, Islip

The complete history of permits filed for 20 James Street, Islip, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 20 James Street, Islip, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s)	X (See more on map)

Transportation

Access the detailed traffic volume map for 20 James Street, Islip 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

Schools

Nearest elementary schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Wing Elementary School	NR	Public	K-1	379	0.15
Commack Road Elementary School	3	Public	2-5	397	0.61
St Mary School	NR	Private	PK-8	413	1.08
St Mary School	NR	Private	PK-8	413	1.08
Maud S Sherwood Elementary School	6	Public	2-5	335	1.44

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Islip Middle School	4	Public	6-8	641	0.93
St Mary School	NR	Private	PK-8	413	1.08
St Patrick School	NR	Private	PK-8	534	1.55
East Islip Middle School	6	Public	6-8	804	1.70
Bay Shore Middle School	5	Public	6-8	1,298	2.12

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Islip High School	9	Public	9-12	892	0.86
East Islip High School	8	Public	9-12	1,145	1.72
Bay Shore Senior High School	5	Public	9-12	1,910	2.28
MDQ Academy	NR	Private	PK-12	412	2.83
Brentwood High School	3	Public	9-12	4,641	3.26

Neighbors for 20 James Street, Islip

Here are the neighbors for 20 James Street, Islip.

Address	Square feet	Purchase date	Purchase price
74 Winganhauppaugerd, Islip	930	01/14/2022	$425,000
14 Tex CT, Islip
86 Winganhauppaugerd, Islip
24 William Ave, Islip		10/19/2016	$399,930
11 Wallace St, Islip	1,848	06/01/2016	$295,000
63 Commack Rd, Islip		11/17/2012
99 Winganhauppaugerd, Islip
16 William Ave, Islip	2,479	07/10/2023
269 Grant Ave, Islip	1,944	09/11/2020	$499,000
91 Winganhauppaugerd, Islip		08/03/2015
8 Tex CT, Islip		08/18/2009
66 Winganhauppaugerd, Islip	2,110	08/04/2021
69 Commack Rd, Islip	1,219	04/12/2016
81 Winganhauppaugerd, Islip
16 James St, Islip		08/01/2016	$349,990
121 Commack Rd, Islip		09/30/2024	$620,000
103 Commack Rd, Islip
90 Winganhauppaugerd, Islip	760	08/19/2021
79 Commack Rd, Islip		04/12/2023	$450,000
94 Commack Rd, Islip

Nearby ZIP Codes for 20 James Street, Islip

Not sure if we cover all the data-points you need? View sample full report View sample full report

Date	Type	Amount	Party 1	Party 2	Doc image
07/23/2013 - R 06/28/2013 - D	Deed