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MLS ID KEY1040523Last updated Oct 18, 2026

Single Family

1040 Washington Avenue

Active · Oyster Bay · Nassau County, NY 11803

Bedrooms
4 Beds
Bathrooms
4 Baths
Year built
1998
Est. monthly taxes
$2,794.5
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About this home

Welcome to one of Plainview's most distinctive properties, a substantial 5,000+ sqft colonial tucked away on a private road in the desirable Washington Avenue/College Section. Set on over half an acre, this expansive residence offers an exceptional combination of space, privacy, classic architectural details, and extraordinary possibilities. From the moment you arrive, the impressive wraparound porch sets the tone for a home designed around gathering, entertaining, and enjoying everyday life. Inside, a dramatic two-story entry foyer opens to generously scaled living spaces, hardwood floors, high ceilings, and an abundance of natural light. Just off the foyer, the spacious living room features a distinctive turret and flows naturally into the formal dining room. The main level continues with a large family room just off the eat-in kitchen, featuring a large island and professional-style stainless steel appliances, as well as an incredible custom entertaining room with a bar, media area, card and cigar room with dedicated smoke-eater ventilation system. Whether hosting a crowd, watching the big game, enjoying movie night, or gathering, this home was designed for memorable moments. Upstairs, four generously sized bedrooms provide room for everyone, including an expansive primary suite with walk-in closet, lounge/sitting area, dressing area, and ensuite bath featuring a soaking tub and separate shower. The architectural character continues upstairs, where the turret extends into one of the bedrooms, creating a uniquely charming and distinctive space. The finished lower level adds tremendous flexibility and can accommodate recreation, fitness, hobbies, storage, or whatever your lifestyle requires. Outside, the private property truly comes alive. A tiered deck, outdoor kitchen, in-ground pool, and expansive yard create a wonderful setting for summer entertaining, relaxing, and making the most of the warmer months. The home showcases classic architectural details and an impressive sense of scale throughout. For the buyer who appreciates space, character, and individuality, this residence offers an exciting opportunity to make an extraordinary property truly their own. With its exceptional size, flexible floor plan, private outdoor amenities, and multiple gathering spaces, this home offers the flexibility today's buyers are seeking for multigenerational living. Located in the Plainview-Old Bethpage School District and zoned for J.J.P. and Mattlin Middle Schools, this is a rare opportunity to own a property with the space, privacy, character, and possibilities to become something extraordinary, It's a home to envision, Come see the possibilities.

Listing snapshot

Days on site
40 days
Listed on MLS
Sep 18, 2026
Full baths
3
Half baths
1
Annual property tax (MLS)
$33,533.98
Tax year
2026
Area source (MLS)
Plans
Listing brokerage
Compass Greater NY LLC
MLS ID
KEY1040523
Last updated
Oct 18, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1998
Garage
Yes
Garage spaces
2
Parking
Driveway, Garage, Oversized
Water source
Public
Sewer
Public Sewer
Utilities
Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Trash Collection Private, Water Connected

Interior features

Basement
Finished, Full, Storage Space
Heating
Baseboard, Forced Air, Natural Gas, Radiant
Cooling
Central Air
Interior
Central Vacuum, Chefs Kitchen, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Open Kitchen, Primary Bathroom, Soaking Tub, Speakers, Storage, Walk-In Closet(s)
Appliances
Dishwasher, Dryer, Exhaust Fan, Gas Oven, Gas Range, Stainless Steel Appliance(s), Trash Compactor, Washer, Gas Water Heater
Flooring
Carpet, Hardwood
Fireplace
Yes
Fireplaces
1

Exterior features

Architectural style
Colonial
Construction materials
Frame, Vinyl Siding
Private pool
Yes

Schools (MLS)

Elementary school
Judy Jacobs Parkway Elementary
Elementary school district
Plainview
Middle school
H B Mattlin Middle School
Middle school district
Plainview
High school
Plainview-Old Bethpage/Jfk Hs
High school district
Plainview

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Oyster Bay · Nassau County, NY 11803Show interactive map
1040 Washington Avenue

Oyster Bay · Nassau County, NY 11803

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

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Listing data is supplied by the MLS and may change without notice.