$1,199,000
 $6,436 est/mo Sourced by Back At You

129 Commonwealth Avenue,Massapequa, NY 11758

Massapequa, NY 11758

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Description

Welcome to this exceptional custom-expanded home in Massapequa offering luxury living, premium upgrades, and incredible attention to detail throughout. This stunning residence features 4 spacious bedrooms, 3.5 bathrooms, a fully finished basement, and a detached 2-car garage designed for both everyday living and high-end functionality. In addition to the bedrooms, the home also includes a private ground-level office that can easily be converted into a 5th bedroom, guest suite, or flexible living space. Inside, you’ll find beautifully designed living spaces highlighted by a stunning 16x21 family room featuring a wood-burning fireplace, creating the perfect gathering space for relaxing or entertaining. The home is complemented by central air conditioning and forced hot air heating with 2-zone climate control, a whole-house humidifier, UV air purification system, and smart-home infrastructure throughout. The chef’s kitchen is outfitted with premium appliances including a Wolf range and built-in Miele coffee system, offering both luxury and functionality. The expansive primary suite features radiant heated floors in the spa-inspired bathroom, while spray-foam insulation throughout enhances year-round comfort and energy efficiency. Additional upgrades include a fully automatic whole-house Generac natural gas generator, 200-amp electric service with multiple subpanels, FiOS prewiring, Cat5/Cat6 networking, and a conditioned attic with future-ready electrical circuits. The fully finished basement adds tremendous additional living and entertaining space. Step outside to your beautifully manicured private backyard oasis featuring a large patio, propane fire pit, underground-powered landscape lighting, and an in-ground sprinkler system. The home is also equipped with soffit and peak outlets specifically designed for seamless holiday lighting displays, allowing for clean, extension-cord-free decorating with dedicated switch controls throughout the exterior. A rare feature for the area, the property offers two separate driveways along with a detached 2-car garage featuring 14-foot ceilings, tiled floors, drywall finish, mini-split heating and cooling, 240-amp service, and built-in compressed air lines ideal for car enthusiasts, hobbyists, or workshop use. Major improvements include a dormer and roof completed in 2019, adding both style and long-term value to the home. Conveniently located close to shopping, restaurants, local preserves, parks, and the LIRR, this one-of-a-kind property offers a rare combination of luxury, craftsmanship, smart technology, and everyday convenience.

Details

MLS #998150
Listing TypeFor Sale
StyleHouse
Sub-TypeResale
StatusPending
Year1956
Days On Site122
Listing Provided ByAlexander Madison Realty Inc | Jonathan Matute

Features

Bed(s)4
Bath(s) 4 Total
SQ Feet2,532
Garage2
BasementY
Acreage0.23

Interior

CoolingAir Purification System, Central Air
HeatingHot Air, Hydro Air, Natural Gas, Radiant, Radiant Floor
Interior FeaturesFirst Floor Bedroom, First Floor Full Bath, Bidet, Breakfast Bar, Ceiling Fan(s), Chefs Kitchen, Double Vanity, Eat-in Kitchen, Formal Dining, Granite Counters, High Speed Internet, Kitchen Island, Open Kitchen, Recessed Lighting, Smart Thermostat, Walk-In Closet(s)
AppliancesDishwasher, Dryer, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Wine Refrigerator

Exterior

Exterior FeaturesBasketball Hoop, Fire Pit, Lighting, Mailbox
Security FeaturesSecurity System, Video Cameras
Construction MaterialsFrame, Shake Siding, Vinyl Siding
Lot FeaturesBack Yard, Landscaped, Sprinklers In Front, Sprinklers In Rear

Parking

Garage Yes / NoYes
Parking FeaturesDriveway, Garage, Heated Garage, Off Street

Utilities

UtilitiesCable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
SewerPublic Sewer

Taxes

Tax Year2026
Tax Annual Amount17574

Area Information

StateNY
CountyNassau County
CityMassapequa
Zip Code11758
School DistrictMassapequa High School
Elementary SchoolLockhart Elementary School
High SchoolMassapequa High School
Listing VS Median (in 11758)
Price:
$1,199,000
low | high
Med:
$799,000
83.361134278565% of Average
sqft:
2,532
low | high
Med:
1,343
96.958925750395% of Average
$ / sqft:
$474
low | high
Med:
$598
23.758293285259% of Average
On site:
122
low | high
Med:
25.5
100% of Average
Sourced by Back At You

Market Activity 11758

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Learn More About This Property

StateNY
CountyNassau County
CityMassapequa
Zip Code11758
School DistrictMassapequa High School
Elementary SchoolLockhart Elementary School
High SchoolMassapequa High School
Listing VS Median (in 11758)
Price:
$1,199,000
low | high
Med:
$799,000
83.361134278565% of Average
sqft:
2,532
low | high
Med:
1,343
96.958925750395% of Average
$ / sqft:
$474
low | high
Med:
$598
23.758293285259% of Average
On site:
122
low | high
Med:
25.5
100% of Average
Sourced by Back At You
Nearby Listings (Within 1/4 mile)
Price: $899K - $1.498M
sqft: 1,500 - 3,000
Nearby Listings Property ImageNearby Listings Details
157 Rhode Island Avenue Property Photo 1
$1,499,000
157 Rhode Island Avenue
Massapequa, NY 11758
710 Franklin Avenue Property Photo 1
$995,000
710 Franklin Avenue
Massapequa, NY 11758
Listing Updated: July 9, 2026 at 3:25:39 PM PDT