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!
5 Sinclair Street
Mastic, NY 11950
- Property type
- Status
- Active Under Contract
- Year built
- 1991
- Lot size
- 0.23 acres
- Living area
- 2,692 sf
- MLS#
- 11937117
- Beds · Baths
- 4 · 2
Mastic, NY.
Mastic, New York, is a market our advisors follow closely — its streets, housing stock and setting each shape what a residence here is worth and how it lives day to day. We are glad to walk you through the locale in detail, and how this particular address sits within it.
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Listings updated Oct 7, 2026



