Active
71 Stuyvesant Avenue
Mastic, NY, 11950
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AN INTRODUCTION
A closer look.
2026 New Construction! Luxury Energy Star Colonial offering 2,500 sf of living space on 10,000 sf of flat, usable land, with 4 bedrooms and 2.5 baths. A 43'x 5' covered front porch welcomes you into a dramatic 17-foot two-story foyer, formal living and dining rooms, and a spacious family room. The eat-in kitchen features quartz countertops, a center island, GE stainless-steel appliances, a COSMO 24-inch built-in microwave drawer, and a LANBO dual-zone wine and beverage refrigerator. The primary suite includes a walk-in closet and private full bath. Quality features include Andersen 400 Series windows, Bruce 5-inch-wide solid oak hardwood flooring, 100% LED lighting, and a GE smart front-load washer and dryer. Energy-efficient construction includes an R-38 spray-foam-sealed attic, R-21 closed-cell spray-foam-insulated basement walls, and enhanced exterior wall insulation with continuous foam board. Two independent Goodman 15.2 SEER2 heat-pump HVAC systems provide separate heating and central air for the first and second floors, with electric backup heat and two Aprilaire whole-house humidifiers—one for each floor. Additional highlights include a Rheem Performance Platinum hybrid heat-pump water heater, a fully insulated basement, and an attached one-car garage. Conveniently located near shopping, restaurants, and schools, approximately 1.9 miles from the LIRR station and about 14 minutes from Smith Point Beach and the Fire Island National Seashore trails. Photos were virtually staged. The same model is also available for sale as a to-be-built home on three adjacent properties at 89, 91, and 93 Market Street in Mastic Beach (MLS Nos. 1021702, 1021435, and 1021704).
Property overview
- Property type
- Single Family Residence
- Architecture
- Colonial
- Year built
- 2026
- Lot size (sq ft)
- 10,019
- Status
- Active
- Listed
- 2026-09-18
- MLS number
- KEY1052859
Interior & comfort
- Interior features
- Cathedral Ceiling(s), Chandelier, Chefs Kitchen, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, Kitchen Island, Open Floorplan, Open Kitchen, Primary Bathroom, Walk-In Closet(s), Washer/Dryer Hookup
- Appliances
- Dishwasher, Dryer, Electric Oven, Electric Range, Electric Water Heater, ENERGY STAR Qualified Appliances, Refrigerator, Stainless Steel Appliance(s), Washer, Wine Refrigerator
- Heating
- Electric, ENERGY STAR Qualified Equipment
- Cooling
- Central Air
- Basement
- Full
Outdoors & amenities
- Parking
- Garage
- Garage spaces
- 1
Schools & location
- Postal town
- Mastic
- County
- Suffolk County
- School district
- William Floyd
- Elementary school
- William Floyd Elementary School
- Middle school
- William Floyd Middle School
- High school
- William Floyd High School
Taxes & utilities
- Annual property taxes
- $812
- Tax year
- 2026
- Association
- No
- Water
- Public
- Sewer
- Cesspool
Listing courtesy of LW 21 LLC · 516-376-2524
MLS #KEY1052859 · Active

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