129 Commonwealth Avenue Massapequa, NY $ 1,199,000
129 Commonwealth Avenue
$ 1,199,000
Recently Listed
Open House 5/17 10:45am - 12pm
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129 Commonwealth Avenue

Massapequa, NY, 11758
$ 1,199,000
Bedrooms4 Baths3.1 Sq 2,532

Monthly Estimate*

$ 7,382

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Single Family Home for sale in Massapequa, NY

for $1,199,000 with 4 bedrooms and 3 full baths, 1 half bath. This 2,532 square foot home was built in 1956 on a lot size of 0.2296.

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.

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Open House

5/17/2026 10:45 AM - 12:00 PM
129 Commonwealth Avenue Massapequa, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 1,199,000

Bedrooms

4

Full Bath

3

Half Bath

1

Property Type

Single Family

Taxes

$ 17,574

Style

Colonial

Lot Size

0.2296

Year Built

1956

Town/City

Massapequa

County/Region

Nassau

MLS | Web ID

998150

Features
Interior
Interior Amenities 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
Basement Finished Full Storage Space
Basement Features Finished Full Storage Space
Basement (Y/N) Y
Fireplace Y/N Y
Half Baths 1
Total Bedrooms 4
Total Baths 4
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General
Sewer Public Sewer
Heating Hot Air Hydro Air Natural Gas Radiant Radiant Floor
Cooling Air Purification System Central Air
Utilities Cable Connected Electricity Connected Natural Gas Connected Sewer Connected Water Connected
Appliances Dishwasher Dryer Gas Range Microwave Refrigerator Stainless Steel Appliance(s) Tankless Water Heater Washer Wine Refrigerator
Garage Spaces 2.5
Architectural Style Colonial
Security Features Security System Video Cameras
Construction Materials Frame Shake Siding Vinyl Siding
Year Built 1956
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 2489-52-192-00-1989-0
County Nassau County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 10
Full Baths 3
High School Massapequa High School
City Oyster Bay
Senior Community Y/N N
High School District Massapequa
Carport Y/N N
Elementary School Lockhart Elementary School
Property Attached Y/N N
Tax Annual Amount 17574
Middle/Junior High School Berner Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Massapequa
Elementary School District Massapequa
Year Built Effective 2019
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Exterior
Exterior Amenities Basketball Hoop Fire Pit Lighting Mailbox
Parking Features Driveway Garage Heated Garage Off Street Driveway Garage Heated Garage Off Street
Water Source Public
Building Area Total 3484
Waterfront Y/N N
Other Equipment Generator Irrigation Equipment Lawn Maintenance Equipment
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Internal Only
Street Number 1 129
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* Excluded Features
List By
Jonathan Matute

Listing Agent

Alexander Madison Realty Inc

Broker

516-307-0800

Contact

Affordability Calculator

$8,847
Per Month
83%
17%
0%
Monthly Principal & Interest
$7,382
Monthly Property Taxes
$1,465
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4101105 Elementary School
4101501 Middle School
Massapequa High School High School
Pricing History
DatePricePrice ChangeDescription
5/15/2026$1,199,000 Listed Price

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129 Commonwealth Avenue, Massapequa, NY, 11758 is a Single Family Home for sale at $1,199,000 with 2,532 sqft and a lot size of 0.2296. 129 Commonwealth Avenue has 4 bedrooms, 3.1 baths, and was built in 1956. The property's zip code is 11758 which is in Massapequa, NY