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$1,549,999

  • For Sale
  • Active
  • Single Family
  • 5 Beds
  • 3 Full Baths
  • 1 Partial Bath
  • 3,350 Sq. Ft.
  • 2 Car Garage
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TO BE BUILT. Custom Built Spectacular Center Hall Colonial New Construction. 5 bedroom/3.5 Bathroom. State of the art House, complete with Automated Smart Home, SONOS Audio System, and Camera System. Unfinished Basement. Custom Wood Cabinets, Designer Center Island Eat In Kitchen with Quartz Countertops. Formal Dining Room To Dine In Elegance, Butler's Pantry, Formal Living Rm. Magnificent Great Room with Gas Fireplace with Remote Control. Large 80x100 Lot. Includes 9' Ceilings 1st Floor. 1st Floor Bedroom. Beautiful Wood Floors, Custom Woodwork Moldings. Spacious Primary Suite W/ Custom Ceilings and Walk-In Closet. Custom Millwork Throughout. Anderson Windows, LED Lighting Throughout. Huge Closets, In Ground Sprinklers. Large 2 Car Garage. SEE UPGRADES SPEC LIST ATTACHED FOR MORE! Come help put the finishing touches on your dream home! Buyer is responsible for fees for water and sewer hook up, final survey, and transfer of tax. Permit fees to be paid by buyer. These are non-negotiable. Photos are from builder's other projects.

Full Property Details for 121 Ontario Ave

General

  • Price: $1,549,999
  • Taxes: $12,687
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 877613
  • Updated: 10/7/2025
  • Added to Site: 218 day(s) ago

Interior

  • Number of Rooms: 9
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Crown Molding, Double Vanity, Eat-in Kitchen, Formal Dining, High Ceilings, Kitchen Island, Primary Bathroom, Open Floorplan, Open Kitchen, Quartz/Quartzite Counters, Recessed Lighting, Sound System, Speakers, Walk-In Closet(s), Washer/Dryer Hookup
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Family Room, Gas
  • Appliances: Dishwasher, ENERGY STAR Qualified Appliances, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater
  • Laundry Facilities: Yes
  • Flooring: Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 3
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 5

Other Rooms

  • Laundry: Gas Dryer Hookup, Laundry Room, Washer Hookup

Parking

  • Garage: Yes
  • Garage Spaces: 2

Location

  • County: Nassau County
  • Cross Streets: Broadway
  • Direction Faces: South

School Information

  • High School District: Plainedge
  • Elementary School: Charles E Schwarting School
  • Middle School: Plainedge Middle School
  • High School: Plainedge Senior High School

Heating & Cooling

  • Central air: Yes
  • Cooling Type: Central Air, ENERGY STAR Qualified Equipment
  • Heating Type: Forced Air
  • Heating Zones: 2

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Cable Available, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected

Structural Information

  • Architectural Style: Colonial
  • Detached/Attached: Detached
  • Construction: Blown-In Insulation, Frame, Stone, Vinyl Siding
  • Basement: Yes
  • Basement Desc.: Full Basement
  • Windows: ENERGY STAR Qualified Windows, Tilt Turn Windows
  • Building Size: 3350
  • Square Feet: 3,350
  • Sq. Ft. Source: Plans
  • Year Built: 2025

Lot Features

  • Lot Size (Acres): 0.1837
  • Lot Size (Sq. Ft.): 8,000
  • Lot Dimensions: 80 x 100

Financial Considerations

  • Tax Amount: $12,687.46

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 2489-52-189-00-1786-0

Listed by LA Rosa Realty New York LLC

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Listing agent

— 121 Ontario Ave —

  • LA Rosa Realty New York LLC

516-942-2003

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 121 Ontario Ave

School District:Plainedge Union Free School District
NameGradesDistance
Charles E Schwarting School
Flower Rd & Jerusalem Ave, Massapequa, NY 11758
K-50.2 mi
Plainedge Middle School
200 Stewart Avenue, Bethpage, NY 11714
6-82.6 mi
Plainedge Senior High School
241 Wyngate Drive, Massapequa, NY 11758
9-120.7 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 121 Ontario Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
6/13/2025
Listed
$1,549,999
142.19%
MLS
2/21/2025
Sold
$640,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 121 Ontario Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$12,687
254%
$440
—
2024
$3,585
-67%
$439
-5%
2023
$10,848
-4%
$461
-6%
2022
$11,307
7%
$488
2%
2021
$10,534
7%
$479
-12%
2020
$9,816
-1%
$543
-17%
2018
$9,872
1%
$654
13%
2019
$9,816
-3%
$581
-11%
2016
$10,086
8%
$654
-10%
2016
$9,358
-1%
$726
-8%
2014
$9,432
—
$792
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 121 Ontario Ave

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by LA Rosa Realty New York LLC

121 Ontario Avenue, Massapequa, NY 11758 (MLS# 877613) is a Single Family property with 5 bedrooms, 3 full bathrooms and 1 partial bathroom. 121 Ontario Avenue is currently listed for $1,549,999 and was received on June 13, 2025. Want to learn more about 121 Ontario 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.

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