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$629,999

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 2 Full Baths
  • 2,692 Sq. Ft.
  • 1 Car Garage
  • Updated 5 days ago
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Welcome to 5 Sinclair Street! This charming and light-filled Colonial, built in 1991, offers over 2,690 sqft of thoughtfully designed living space on a quiet dead-end street. Featuring 4 bedrooms and 2 bathrooms, the home is bright and inviting with vaulted ceilings, skylights, and abundant natural light. The spacious upper level includes a primary suite and separate living quarters with a separate entrance, offering excellent potential for a M/D setup with the proper permits. Enjoy a sweet, fully fenced garden on just under a quarter acre, newer siding, a 30-year roof installed in 2018, and newer ductless AC units on the lower level. A massive attached garage, double-wide driveway, partial basement, and dedicated laundry area provide endless storage and flexibility. A true delight with endless potential, conveniently located near shopping and dining, with the added benefit of low taxes. Don't miss your chance to own a piece of Long Island charm-schedule your showing today!

Full Property Details for 5 Sinclair St

General

  • Price: $629,999
  • Taxes: $8,456
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 1037238
  • Updated: 8/22/2026
  • Added to Site: 13 day(s) ago

Interior

  • Number of Rooms: 10
  • Interior Features: First Floor Bedroom, Eat-in Kitchen, High Ceilings, Primary Bathroom
  • Appliances: Dryer, Electric Oven, Refrigerator

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2

Bedrooms

  • Total Bedrooms: 4

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Parking Features: Driveway

Location

  • County: Suffolk County

School Information

  • High School District: William Floyd
  • Elementary School: William Floyd Elementary School
  • Middle School: William Floyd Middle School
  • High School: William Floyd High School

Heating & Cooling

  • Cooling Type: Ductless
  • Heating Type: Baseboard, Oil

Utilities

  • Sewer: Cesspool
  • Water: Public
  • Utility Description: Cable Connected, Electricity Connected, Trash Collection Public, Water Connected

Structural Information

  • Architectural Style: Colonial
  • Detached/Attached: Detached
  • Construction: Advanced Framing Technique
  • Basement: Yes
  • Basement Desc.: Partial
  • Building Size: 2692
  • Square Feet: 2,692
  • Year Built: 1991

Lot Features

  • Lot Size (Acres): 0.23
  • Lot Size (Sq. Ft.): 10,019

Financial Considerations

  • Tax Amount: $8,456

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0200-823-00-08-00-027-000

Listed by BH&G R E Realty Connect and Realty Connect USA L I Inc

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Listing agents

— 5 Sinclair St —

  • BH&G R E Realty Connect

  • Realty Connect USA L I Inc

631-836-1932

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 5 Sinclair St

School District:William Floyd Union Free School District
NameGradesDistance
Moriches Elementary School
16 Louis Avenue, Moriches, NY 11955
K-51.2 mi
William Floyd Middle School
630 Moriches-Middle Island Road, Moriches, NY 11955
6-81.7 mi
William Floyd High School
240 Mastic Beach Road, Mastic Beach, NY 11951
9-121.8 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 5 Sinclair St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/15/2026
Listed
$629,999
13.51%
MLS
8/01/2025
Sold
$555,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 5 Sinclair St

Year
Property Taxes
Change
Tax Assessment
Change
2024
$7,155
100%
$1,945
—
2020
100%
$1,945
—
2022
-100%
$1,945
—
2016
$7,404
-5%
$1,945
—
2020
$7,767
2%
$1,945
—
2018
$7,626
2%
$1,945
—
2017
$7,498
—
$1,945
—
2016
$7,510
3%
$1,945
—
2015
$7,295
3%
$1,945
—
2015
$7,084
3%
$1,945
—
2014
$6,902
3%
$1,945
—
2013
$6,720
—
$1,945
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 5 Sinclair St

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by BH&G R E Realty Connect and Realty Connect USA L I Inc

5 Sinclair Street, Mastic, NY 11950 (MLS# 1037238) is a Single Family property with 4 bedrooms and 2 full bathrooms. 5 Sinclair Street is currently listed for $629,999 and was received on August 15, 2026. Want to learn more about 5 Sinclair Street? Do you have questions about finding other Single Family real estate for sale in Mastic? You can browse all Mastic real estate or contact a Coldwell Banker agent to request more information.

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