by RH Advisors

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Mastic 11950 Mastic
5 Sinclair Street
$629,999
● House - In Contract

5 Sinclair Street

Brookhaven, NY 11950
bedrooms
4 Beds
bathrooms
2 Baths
square feet
2,692 Ft²
$3,799
Est. Monthly

About This Property

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!
Unit Size
2,692 Ft²
Days on Market
-
Land Size
0.23 acres
Price per sqft
$234
Property Type
House
Property Taxes
$705
HOA Dues
-
Year Built
1991

Listed By

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Last updated: 24 days ago (OneKey MLS #KEY1037238)

Price History

Date / Event Date Event Price
Oct 6, 2026 In contract -
In contract
Aug 10, 2026 Listed by BH&G R E Realty Connect $629,999
Listed by BH&G R E Realty Connect
Aug 1, 2025 Sold
Sold
May 8, 2025 In contract -
In contract
Mar 2, 2025 Listed by Douglas Elliman Real Estate $499,990
Listed by Douglas Elliman Real Estate
This expansive hi-ranch with over 2600 sq ft. is situated on a quiet dead end street. Just shy of a quarter acre, fully fenced, with a 30-year roof from 2018 and newer siding. Spacious upper floor features a primary suite with primary bathroom and separate living quarters - offering potential for a mother/daughter setup with proper permits. Newer ductless AC units on lower floor. Vaulted ceilings and numerous skylights on both levels create an open feel with lots of natural light. Make use of the massive attached garage and double-wide driveway providing more than ample parking. Garage features walk-down stairwell to partial basement, perfect for storage or flex space. Dedicated laundry area between garage entrance and living room. Affordable taxes and convenient location near shopping and restaurants.
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Property Highlights

Parking Available
Garage
Air Conditioning
Parking Details
Has Garage
Has Open Parking
Parking Features: Driveway
Garage Spaces: 1
Interior Details
Full Bathrooms: 2
Interior Features: Eat-in Kitchen, High Ceilings, First Floor Bedroom, Primary Bathroom
Appliances: Dryer, Electric Oven, Refrigerator
Rooms: 10
Basement: Partial
Exterior Details
Square Footage: 2692
Architectural Style: Colonial
Year Built: 1991
Building Area Total: 2692
Building Area Units: Square Feet
Construction Materials: Advanced Framing Technique
Lot Size Area: 10019
Lot Size Units: Square Feet
Lot Size Acres: 0.23
Lot Size Square Feet: 10019
Water Source: Public
Financial Details
Tax Assessed Value: $1,945
Tax Annual Amount: $8,456
Utilities Details
Cooling Type: Ductless
Heating Type: Baseboard, Oil
Sewer : Cesspool

Building Info

Overview

    General

  • Year Built: 1991
  • Effective Year Built: 1991
  • Total Rooms: 6
  • Bedroom Count: 3
  • Bathroom Count: 2
  • Full Bathrooms: 2
  • Partial Bathrooms: 2
  • Building Condition: 0
  • Building Quality: 0
  • Construction Type: 0
  • Building Style: 5
  • Exterior Walls Type: 19
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 9
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 10,019
  • Total Building Area: 2,692
  • Building Area: 2,692
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 13
  • Heated Square Feet: 2,692
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: HAMILTON PARK
  • Land Acres: 0000000230
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: HAMILTON PK 5 625 1714 TO 1717 INC

Neighborhood

  • School District Name: William Floyd Union Free School District
  • School Tax School District: WILLIAM FLOYD
  • Census Tract: 159416

Geography

  • Assessors Map Reference: MAP 4700625
  • Account Number: 00004710941
  • District: 0200-8
  • Section: 823.00
  • Parcel: 0200-823.00-08.00-027.000
  • Block: 8
  • Lot: 27.000
  • Municipality: BROOKHAVEN
  • Latitude: 40.8068
  • Longitude: -72.8499

    Address

  • Full Address: 5 Sinclair St
  • Address - House Number: 5
  • Address - Street Name: Sinclair
  • Address - Suffix Type: St
  • State: NY
  • City Name: Mastic
  • Carrier Code: C005
  • 4-Digit Zip Code: 2111
  • Zip Code: 11950

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 472232

    Appraisal Valuation

  • Standard Deviation: 0.1442
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 82
  • Final Value: 389,030
  • High Value: 445,155
  • Low Value: 332,906

    Market Valuation

  • Market Total Value: $3,602
  • Market Land Value: $296
  • Market Improvement Value: $3,306

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $1,945
  • Assessed Land Value: $160
  • Assessed Improvements Value: $1,785

    Exemptions

  • Homeowner Exemption: Yes

    Sales

  • Current Sale Contract Date: Apr 29, 2022
  • Current Sale Recording Date: May 10, 2023
  • Current Sale Price:
  • Current Sale Document Type: 27
  • Previous Sale Recording Date: Jun 02, 1995
  • Previous Sale Contract Date: May 24, 1995
  • Previous Sale Amount: $51,000
  • Previous Sale Document Type: 40
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Mastic


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Frequently Asked Questions

When was property at 5 Sinclair Street built and last sold?
The property at 5 Sinclair Street was built in 1991 and last sold on Apr 29, 2022 for $421,200.
How much is this home worth?
The estimated value of the home located at 5 Sinclair Street is $651,942.
What are some comparable homes to 5 Sinclair Street?
There are currently no comparable homes to 5 Sinclair Street.

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