# 121 Ontario Avenue, Massapequa, NY 11758

> **TL;DR:** 5bd/4ba single family, $1,599,999 ($478/sqft), built 2026, 3,350 sqft.
> Fireplace, Hardwood, A/C. Est. $8,557/mo. Listed 394 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,599,999 |
| Price/sqft | $478 |
| Bedrooms | 5 |
| Bathrooms | 3 full, 1 half |
| Square Feet | 3,350 |
| Year Built | 2026 |
| Lot Size | 8,002 sqft (0.18 acres) |
| Stories | 3 |
| Property Type | Single Family (Single Family Residence) |
| Status | For Sale |
| Days on Market | 394 |

## Why This Home Stands Out

- **Hardwood Floors** - Throughout the home

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Principal & Interest (20% down, 30-year at 6.5%) | $8,090 |
| Estimated Insurance | $467 |
| **Total** | **$8,557** |

## Nearby Schools

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

## Key Amenities

- Fireplace
- Hardwood
- A/C

## Property Highlights

- Built in 2026
- 0.18 acre lot
- 3 stories
- Fireplace

## Description

### Agent 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.

## Location

- **Address:** 121 Ontario Avenue, Massapequa, NY 11758
- **County:** Nassau County
- **Coordinates:** 40.690083, -73.472155
- **Google Maps:** https://www.google.com/maps?q=40.690083,-73.472155

## Listing Agent

- **Name:** Seth Patlin
- **Brokerage:** LA Rosa Realty New York LLC
- **Phone:** 5162202208

## Primary Photo

![121 Ontario Avenue - Primary Photo](http://lh.rdcpix.com/78b4c1f74232946c21ed4cb38b29f88bl-f869802616r.jpg)

*8 total photos available on [listing page](https://www.propertysimple.ai/listing/121-ontario-avenue-massapequa-ny-11758-y877613)*

---

**MLS#:** 877613 | **Updated:** 2026-08-01
**Source:** listhub

*Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.ai/listing/121-ontario-avenue-massapequa-ny-11758-y877613)

---

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