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121 Ontario Avenue, Massapequa, NY 11758

Nassau County

Key Facts

5Beds
4Baths
3,350Sq Ft
2026Year Built
0.18Lot (acres)
2Garage

Description

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.

Property Information

Property Type

Residential

Sub-Type

Single Family Residence

Style

Colonial

Year Built

2026

Living Area

3,350 sq ft

Lot Size

0.18 acres

Lot Dimensions

80x100

Garage Spaces

2

Days on Market

367

MLS® Listing#

877613

Property Features

Interior

Crown MoldingDouble VanityEat-in KitchenHigh CeilingsKitchen IslandOpen FloorplanRecessed LightingSound SystemWalk-In Closet(s)

Appliances

DishwasherENERGY STAR Qualified AppliancesGas RangeMicrowaveRefrigeratorStainless Steel Appliance(s)Tankless Water Heater

Cooling

Central AirENERGY STAR Qualified Equipment

Heating

Forced Air

Flooring

Hardwood

Fireplace

Family RoomGas

Basement

Full

Laundry

Gas Dryer HookupLaundry RoomWasher Hookup

Construction

Blown-In InsulationFrameStoneVinyl Siding

Windows

ENERGY STAR Qualified Windows

Utilities

Natural Gas AvailableCable AvailableElectricity ConnectedNatural Gas ConnectedSewer ConnectedWater Connected

Sewer

Public Sewer

Water Source

Public

Schools

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

Financial Details

Annual Taxes

$12,687

Assessed Value

$488

Parcel Number

2489-52-189-00-1786-0

Affordability Calculator

$320,000

Estimated monthly payment

$8,516/mo

Principal $1,279,999 · Est. interest $1,785,713 over 30 yrs

Neighborhood Market Statistics

How this home compares to active listings in Massapequa, NY

$872,222
Median Listing Price
33
Median Days on Market
2,000
Median Sq Ft
$490
Median Price / Sq Ft
97
Active Listings
  • This home’s price is 83% above the area median.
  • Its price per sq ft is 3% below the area median.

Market statistics compiled from active EXIT Realty® and MLS listings in Massapequa, NY.

Location

Map showing the location of 121 Ontario Avenue, Massapequa, NY 11758

Points of Interest in Massapequa, NY

Showing the Massapequa area map.

Nearby Schools

  • Montessori Children's School of Long Island

    Elementary · 0.1 mi away

  • Charles E Schwarting Elementary School

    Elementary · 0.3 mi away

  • Lockhart Elementary School

    Elementary · 0.5 mi away

  • Presbyterian Community Nursery School

    School · 0.5 mi away

  • Maria Regina RC Church

    School · 0.5 mi away

  • MHS Ames Campus

    Secondary · 0.5 mi away

  • Maria Regina School

    School · 0.6 mi away

  • St Gregory Nursery School

    School · 0.6 mi away

  • Plainedge Senior High School

    Secondary · 0.7 mi away

  • Seaford Union Free School District

    Elementary · 0.8 mi away

  • Manor Elementary School

    Elementary · 0.8 mi away

  • Seaford Middle School

    Secondary · 0.9 mi away

  • Seaman Neck Middle School

    Elementary · 1.0 mi away

  • Seaford High School

    Secondary · 1.2 mi away

  • McKenna Elementary School

    Elementary · 1.2 mi away

  • Hagedorn Little Village School

    Elementary · 1.3 mi away

  • Albany Avenue Elementary School

    Elementary · 1.4 mi away

  • St William the Abbot School

    School · 1.4 mi away

  • Fairfield Elementary School

    Elementary · 1.4 mi away

  • Eastplain Elementary School

    Elementary · 1.4 mi away

Commute Calculator

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Moving Cost Estimate

EXIT Agents in Massapequa

Listing Courtesy: LA Rosa Realty New York LLC - 5169422003

Presented by: Seth Patlin

The data relating to real estate for sale on this website comes in part from the Internet Data exchange of OneKey MLS. IDX information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information deemed reliable but not guaranteed. Copyright ©2026 OneKey MLS. All Rights Reserved
Fair Housing Notice

The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange (IDX) program of one or more Multiple Listing Services (MLS). Listing information is deemed reliable but is not guaranteed accurate. Copyright © EXIT Realty® and respective MLS providers.

Data provided by LIBOR. MLS® Listing#877613. © 2026EXIT Realty®. All rights reserved.