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MLS ID KEY1020045Last updated Oct 4, 2026

Single Family

3 Altamont Avenue

Active · Oyster Bay · Nassau County, NY 11579

Bedrooms
3 Beds
Bathrooms
2 Baths
Year built
1983
Est. monthly taxes
$1,120.17
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About this home

Colonial Set On Private Grounds. Formal Living Room And Dining Room, Hardwood Floors Throughout. Eat In Kitchen, Half Bath And Stackable Washer Dryer Located On First Floor With Sliders Out To Covered Deck. Upstairs Ther Are 3 Nice Size Bedrooms With Walk In Closet In Hallway And Full Bath With Bathtub. Large Fully Fenced Yard. Close To Sea Cliff Village And Beach.

Listing snapshot

Days on site
59 days
Listed on MLS
Jun 30, 2026
Full baths
1
Half baths
1
Annual property tax (MLS)
$13,442
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
J D S North Shore Realty Inc
MLS ID
KEY1020045
Last updated
Oct 4, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1983
Garage
Yes
Garage spaces
1
Parking
Driveway
Water source
Public
Sewer
Public Sewer
Utilities
Cable Available, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected

Interior features

Heating
Baseboard
Cooling
Wall/Window Unit(s)
Interior
Breakfast Bar, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, Storage, Walk-In Closet(s)
Appliances
Dishwasher, Exhaust Fan, Gas Oven, Microwave, Refrigerator, Gas Water Heater
Flooring
Hardwood
Fireplace
No

Exterior features

Architectural style
Colonial
Construction materials
Frame
Exterior
Awning(s)
Private pool
No

Schools (MLS)

Elementary school
Sea Cliff Elementary School
Elementary school district
North Shore
Middle school
North Shore Middle School
Middle school district
North Shore
High school
North Shore Senior High School
High school district
North Shore

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 11579Show interactive map
3 Altamont Avenue

Oyster Bay · Nassau County, NY 11579

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

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

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