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MLS ID KEY1049841Last updated Sep 12, 2026

Single Family

315 Lyon Street

Active · Hempstead · Nassau County, NY 11580

Bedrooms
5 Beds
Bathrooms
7 Baths
Year built
2026
Est. monthly taxes
$1,120.83
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About this home

Welcome to 315 Lyon St, Valley Stream, NY a breathtaking brand new contemporary modern masterpiece offering an unparalleled living experience in the heart of Nassau County. This magnificent 2-story residence boasts an impressive 6449 sq ft of above-grade living space plus a sprawling recreational basement, delivering a total of 5 generously sized bedrooms and 6.5 luxurious bathrooms thoughtfully designed for both elegant entertaining and comfortable everyday living. Step through the grand foyer into a beautifully flowing first floor featuring soaring 9-foot ceilings, a dramatic living room with oversized floor-to-ceiling windows, formal dining room, gourmet chef's kitchen with double refrigerators, a warm butler's kitchen, an expansive family room, a private guest bedroom with full bath, powder room, and a practical mudroom all bathed in natural light through large geometric Andersen 400 series hurricane-rated windows. The second floor is an absolute sanctuary, showcasing a lavish master suite with a spa-inspired bathroom, oversized walk-in closet, and tray ceiling, accompanied by three additional spacious bedrooms each with their own dedicated full bathrooms and walk-in closets, a conveniently located laundry room, and a stunning private balcony perfect for morning coffee or evening relaxation. The fully finished lower level offers endless possibilities as a home theater, gym, or entertainment haven, complete with a full bathroom. The striking exterior facade commands attention with its sophisticated blend of stone, stucco, and wood accents, dramatic aluminum composite panel overhangs, and clean contemporary lines that set this home apart from anything else on the market. Built to the highest standards with R-15 exterior wall insulation, R-30 roof insulation, TPO flat roof system with stainless counter flashing, hardwood floors of owner's choice, tray ceilings, Simpson HDU5 holddown connections, and full compliance with 2020 NYS Building Code and Town of Hempstead approved plans every detail of this home reflects exceptional quality and craftsmanship. Situated on a 8,000 sq ft lot with two driveways, this stunning property is ideally located just minutes from the Valley Stream LIRR station offering a 30-minute express commute to Manhattan, with easy access to the Belt Parkway, Southern State Parkway, top-rated schools, premier shopping, and fine dining. This is truly a once-in-a-generation opportunity to own a remarkable newly constructed luxury home that redefines modern living in Valley Stream schedule your exclusive private showing today before it's gone! This custom new development is being built by the number one builders in Nassau County HiLand Developers.

Listing snapshot

Days on site
46 days
Listed on MLS
Sep 11, 2026
Full baths
6
Half baths
1
Annual property tax (MLS)
$13,450
Tax year
2026
Area source (MLS)
Plans
Listing brokerage
Best American Homes Inc
MLS ID
KEY1049841
Last updated
Sep 12, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
2026
Garage
No
Parking
Driveway
Water source
Public
Sewer
Public Sewer
Utilities
Electricity Available, Natural Gas Available, Sewer Available, Water Available

Interior features

Basement
Finished, Full, Walk-Out Access
Heating
Natural Gas
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Eat-in Kitchen, Formal Dining, Open Floorplan, Open Kitchen, Primary Bathroom, Master Downstairs, Walk-In Closet(s), Washer/Dryer Hookup
Appliances
Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Gas Cooktop, Gas Oven, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer

Exterior features

Architectural style
Contemporary
Construction materials
Brick, Stone, Stucco
Private pool
No

Schools (MLS)

Elementary school
Shaw Avenue School
Elementary school district
Valley Stream - 30
Middle school
Valley Stream Memorial Junior High School
Middle school district
Valley Stream Central
High school
Valley Stream Central High School
High school district
Valley Stream Central

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. First seen on this site
  2. Listing updated from MLS
  3. MLS status changed

Location

Hempstead · Nassau County, NY 11580Show interactive map
315 Lyon Street

Hempstead · Nassau County, NY 11580

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Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.