121 Ontario Avenue

121 Ontario Avenue, Oyster Bay, NY, 11758

$1,599,999

$1,549,999

active

Bedrooms

Bathrooms

Sq Ft

3,350

Lot Size

8,000 sqft

Year Built

2025

Garage

2 car

Type

Single Family

Monthly Cost

Estimate. Actual payment depends on credit, lender, taxes, and insurance.

$9,698/month estimated

Principal & interest: $8,516
Property tax: $1,057
Home insurance (est.): $125

Down payment %Interest rate %Term (years)

Down payment: $320,000 · Loan amount: $1,279,999

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.

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

Appliances

✓ Dishwasher
✓ ENERGY STAR Qualified Appliances
✓ Gas Range
✓ Microwave
✓ Refrigerator
✓ Stainless Steel Appliance(s)
✓ Tankless Water Heater

Property Details

Cooling: Central Air, ENERGY STAR Qualified Equipment
Heating: Forced Air
Basement: Full

Schools

Elementary

Charles E Schwarting School

Plainedge

Middle

Plainedge Middle School

Plainedge

High

Plainedge Senior High School

Plainedge

Location

Get directions →

Map of 121 Ontario Avenue, Oyster Bay, NY, 11758

Listed by Seth Patlin, LA Rosa Realty New York LLC

MLS# KEY877613516-942-2003

Listings courtesy of OneKey® MLS as distributed by MLS GRID

Based on information submitted to the MLS GRID as of Apr 7, 2026, 3:52 PM UTC (date and time MLS GRID Data was obtained). All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

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