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$1,400,000
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Property 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.
Full Property Details
Full Property Details for 129 Commonwealth Ave
General
- Sold For: $1,400,000
- Taxes: $17,574
- Status: Closed
- Type: Single Family
- Source: Long_Island
- MLS ID: 998150
- Added to Site: 152 day(s) ago
Interior
- Number of Rooms: 10
- Interior Features: First 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)
- Fireplace: Yes
- Appliances: Dishwasher, Dryer, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Wine Refrigerator
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 3
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 4
Additional Information
- Security/Safety: Security System, Video Cameras
Exterior
- Exterior Features: Basketball Hoop, Fire Pit, Lighting, Mailbox
Parking
- Garage: Yes
- Garage Spaces: 2.5
- Parking Features: Driveway, Garage, Heated Garage, Off Street
Location
- County: Nassau County
School Information
- High School District: Massapequa
- Elementary School: Lockhart Elementary School
- Middle School: Berner Middle School
- High School: Massapequa High School
Heating & Cooling
- Central air: Yes
- Cooling Type: Air Purification System, Central Air
- Heating Type: Hot Air, Hydro Air, Natural Gas, Radiant, Radiant Floor
- Heating Zones: 2
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Structural Information
- Architectural Style: Colonial
- Detached/Attached: Detached
- Construction: Frame, Shake Siding, Vinyl Siding
- Basement: Yes
- Basement Desc.: Finished, Full Basement, Storage Space
- Building Size: 3484
- Square Feet: 3,484
- Sq. Ft. Source: Public Records
- Year Built: 1956
Lot Features
- Lot Size (Acres): 0.2296
- Lot Size (Sq. Ft.): 10,000
- Lot Dimensions: 100 x 100
- Lot Features: Back Yard, Landscaped, Sprinklers In Front, Sprinklers In Rear
Financial Considerations
- Tax Amount: $17,574
Disclosures and Reports
- Special Conditions: None
- Property ID: 2489-52-192-00-1989-0
Listed and Sold by Alexander Madison Realty Inc
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Schools
Schools serving 129 Commonwealth Ave
School District:Massapequa Union Free School District
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 129 Commonwealth Ave
Date
Details
Price
Change
Source
9/22/2026
Sold
$1,400,000
16.76%
MLS
5/15/2026
Listed
$1,199,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
129 Commonwealth Avenue, Massapequa, NY 11758 (MLS# 998150) is a Single Family property that was sold at $1,400,000 on September 22, 2026. Want to learn more about 129 Commonwealth Avenue? Do you have questions about finding other Single Family real estate for sale in Massapequa? You can browse all Massapequa real estate or contact a Coldwell Banker agent to request more information.
