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3 Mill Street, Mount Sinai, NY 11766 Property Information

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Address

Primary address	3 Mill Street, Mount Sinai
Zip code	11766
County	Suffolk

Municipality	Brookhaven
Parcel ID	1126051

Sales & Tax Overview for 3 Mill Street, Mount Sinai

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

Current property tax	$10,723

Lot & Building Information for 3 Mill Street, Mount Sinai

Building sqft	1,796
Building class	One Family Year-Round Residence (210)
Acreage	0.37
Year built	1978
Rooms	7
Bedrooms	3
Bathrooms	2

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

School district	Mount Sinai

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

Other Property Data for 3 Mill Street, Mount Sinai

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About 3 Mill Street, Mount Sinai

What is the year built & the total sq. ft. for 3 Mill Street, Mount Sinai, NY 11766?

3 Mill Street, Mount Sinai, NY 11766 was built in 1978 and has a total of 1,796 square feet.

What is the assessed value of 3 Mill Street, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $3,800, the tax amount paid for 3 Mill Street, Mount Sinai, NY 11766 is $15,626.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 

Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.

Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens

Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.

Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks

Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.

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Past Sales & Property History for 3 Mill Street, Mount Sinai

Create a free account to view the complete sales history for 3 Mill Street, Mount Sinai, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

More about Suffolk County Property Records

Title Documents for 3 Mill Street, Mount Sinai

Data not available for this property.

Property Taxes for 3 Mill Street, Mount Sinai

Access detailed property tax data for 3 Mill Street, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2025-2026
Base tax	$15,626
Current property tax	$10,723
Market value	$716,981
Assessed value	$3,800

More about Suffolk County Property Taxes

Assessment History for 3 Mill Street, Mount Sinai

Here's the assessment & property tax history for 3 Mill Street, Mount Sinai, 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
2024-2025	$716,981	$3,800	394.249	$14,981	+3.18%
2023-2024	$703,704	$3,800	382.097	$14,520	+3.44%
2022-2023	$612,903	$3,800	369.378	$14,036	+2.22%
2021-2022	$513,513	$3,800	361.352	$13,731	+2.37%
2020-2021	$493,506	$3,800	352.982	$13,413	+2.16%

Permits for 3 Mill Street, Mount Sinai

The complete history of permits filed for 3 Mill Street, Mount Sinai, 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 3 Mill Street, Mount Sinai, 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 3 Mill Street, Mount Sinai to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Clinton Avenue School	NR	Public	K-2	441	1.61
North Shore Christian School	NR	Private	PK, K-6	101	1.96
North Shore Christian School	NR	Private	PK, K-6	101	1.96
Mount Sinai Middle School	5	Public	5-8	667	1.98
John F Kennedy Middle School	4	Public	4, 6-8	822	1.99

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Mount Sinai Middle School	5	Public	5-8	667	1.98
John F Kennedy Middle School	4	Public	4, 6-8	822	1.99
Maryhaven Center Of Hope	NR	Private		47	3.36
North Country Road School	5	Public	6-8	534	3.38
Selden Middle School	4	Public	6-8	1,058	3.54

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance to school (mi)
Comsewogue High School	6	Public	9-12	1,153	1.30
Miller Place High School	9	Public	9-12	820	1.83
Mount Sinai High School	9	Public	9-12	720	2.11
Sunshine Alternative Education Center	NR	Private	10-12	10	2.52
Maryhaven Center Of Hope	NR	Private		47	3.36

Neighbors for 3 Mill Street, Mount Sinai

Here are the neighbors for 3 Mill Street, Mount Sinai.

Address	Square feet	Purchase date	Purchase price
5 Mill St, Port Jefferson Station	2,198	10/05/2020	$424,000
21 Mill St, Mount Sinai	2,232	02/29/2024
6 Anchor Ln, Mount Sinai	2,536	06/22/2009	$363,000
9 Mill St, Port Jefferson Station	2,192	08/06/2025	$715,000
17 Mill St, Port Jefferson Station	2,125	07/01/2016	$380,000
19 Mill St, Port Jefferson Station	2,232	07/24/2017	$370,000
5 Anchor Ln, Mount Sinai	3,206	03/01/1999	$315,000
27 Little Harbor Rd, Mount Sinai	2,060	09/24/2018	$545,000
23 Mill St, Port Jefferson Station	1,778	10/03/2008
29 Little Harbor Rd, Mount Sinai	2,913	09/21/2021	$790,000
8 Anchor Ln, Mount Sinai	2,578	03/28/2025	$980,000
32 Little Harbor Rd, Mount Sinai	1,784
7 Mill St, Port Jefferson Station	1,448	03/16/2022	$500,000
15 Mill St, Port Jefferson Station	2,492	09/15/2025
31 Little Harbor Rd, Mount Sinai	2,402	01/31/2002
13 Mill St, Port Jefferson Station	2,196	10/21/2005	$530,000
48 Little Harbor Rd, Mount Sinai	2,571	07/30/2021
25 Little Harbor Rd, Mount Sinai	3,630	07/19/2005	$590,000
11 Mill St, Mount Sinai	1,796	01/04/2024	$533,000
4 Anchor Ln, Mount Sinai	2,358	05/25/2012

Nearby ZIP Codes for 3 Mill Street, Mount Sinai

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