For Sale
Single family home for sale at 18 20th Avenue, Oyster Bay, NY 11579 | MLS# 1039834 | Listing updated on 2026-08-19
Photo 1 of Single family home for sale at 18 20th Avenue, Oyster Bay, NY 11579 | MLS# 1039834 | Listing updated on 2026-08-19
Photo 2 of Single family home for sale at 18 20th Avenue, Oyster Bay, NY 11579 | MLS# 1039834 | Listing updated on 2026-08-19
Photo 3 of Single family home for sale at 18 20th Avenue, Oyster Bay, NY 11579 | MLS# 1039834 | Listing updated on 2026-08-19
Photo 4 of Single family home for sale at 18 20th Avenue, Oyster Bay, NY 11579 | MLS# 1039834 | Listing updated on 2026-08-19
25+
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Street View

$1,699,900

Monthly Est:$8,461

  • Beds Icon4 Beds
  • Beds Icon
    3 Baths
  • Beds Icon2,022sqft

18 20th Avenue, Oyster Bay, NY 11579

$8,461/moEst:

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  • Single Family Residence

  • Built in 1898

  • $-- HOA

  • 14,400 sqft lot

  • $841/sq.ft

Description

Experience Modern Living with Historic Charm.
4 Beds | 2.5 Baths | Meticulously Expanded & Rebuilt in 2017.

Welcome to a stunning example of comfortable living nestled in the charming community of Sea Cliff. Originally built in 1898, this exquisite Colonial home has been meticulously expanded and completely rebuilt in 2017 by a builder ensuring top-quality materials, premium finishes, and meticulous craftsmanship throughout.

Elegant & Intelligent Living Spaces:
* Grand Welcome: A classic covered front porch leads into a spacious living space perfectly designed for today's lifestyle.
* Chef's Heart: A modern kitchen equipped with state-of-the-art appliances and high-end ...

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  • Houzeo last checked: 0 minutes ago
  • Listing updated: August 19, 2026 at 9:01 am
  • Listing Provided by: Derek J. Greene (888) 278-5840 | Greene Realty Group (888) 278-5840
  • Source: OneKey MLS-NY | MLS#: 1039834 OneKey MLS-NY

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Nassau County

  • City

    Oyster Bay

  • Neighborhood

    --

  • Year Built

    1898

  • HOA Fees

    -

  • Finished Area

    2,022 sqft

  • Lot Size

    14,400 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    OneKey MLS

  • MLS Number

    1039834

  • MLS Status

    Active

  • Days on Market

    32

  • Cumulative Days on Market

    1

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Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 4

    Bathrooms: 3

Interior

  • Heating

    Energy Star Qualified Equipment, Forced Air, Hot Water, Natural Gas, Radiant, Radiant Floor

  • Sewer

    Septic Tank

  • Interior Features

    Breakfast Bar, Built In Features, Chandelier, Chefs Kitchen, Double Vanity, Dry Bar, Eat In Kitchen, Energy Star Qualified Door(s), Entrance Foyer, Formal Dining, High Ceilings, High Speed Internet, Natural Woodwork, Open Floorplan, Open Kitchen, Pantry, Primary Bathroom, Quartz/quartzite Counters, Recessed Lighting, Smart Thermostat, Soaking Tub, Sound System, Speakers, Walk In Closet(s), Wired For Sound

  • Flooring

    Hardwood, Tile

  • Appliances

    Convection Oven, Dishwasher, Dryer, Energy Star Qualified Appliances, Exhaust Fan, Freezer, Gas Cooktop, Gas Oven, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Washer, Gas Water Heater, Water Purifier Owned, Wine Refrigerator

  • Exterior Features

    Garden, Lighting, Rain Gutters

  • Cooling

    Central Air, Energy Star Qualified Equipment

  • Window Features

    Blinds, Double Pane Windows, Drapes, Energy Star Qualified Windows

Construction

  • Year Built

    Year Built: 1898

  • Home type

    Single Family Residence

  • Foundation Details

    Block, Raised

  • Architectural Style

    Colonial

  • Construction Materials

    Hardi Plank Type

Utilities & Energy

  • Utilities

    Cable Available, Cable Connected, Electricity Available, Electricity Connected, Natural Gas Available, Natural Gas Connected, Trash Collection Public, Water Available, Water Connected

  • Laundry Features

    In Basement, Laundry Room, Multiple Locations

  • Security Features

    Building Security, Fire Alarm, Security Lights, Security System, Smoke Detector(s), Video Cameras

  • Water Source

    Public

  • Basement

    Bilco Door(s), Partially Finished, Storage Space, Unfinished

  • Parking Features

    Detached, Driveway, Electric Vehicle Charging Station(s), Garage, Garage Door Opener, Oversized

Other Features

  • Patio And Porch Features

    Deck, Patio, Porch

  • Lot Features

    Back Yard, Front Yard, Garden, Historic District, Landscaped, Near Public Transit, Near Shops, Private, Sprinklers In Front, Sprinklers In Rear, Stone/brick Wall

Price History

DateEventPrice

08/18/2026

Source: mls_logoOneKey MLS-NY #KEY1039834

Listed for Sale

$1,699,900 +24184.29%

$841/sqft

06/19/2025

Source: mls_logoOneKey MLS-NY #KEY865877

Sold

$7,000

$3/sqft

05/22/2025

Source: mls_logoOneKey MLS-NY #KEY865877

Listed for Sale

$7,000

$3/sqft

Based on information from OneKey MLS, through Sep 19, 2026, 09:32PM. IDX information is provided exclusively for 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 is deemed reliable but not guaranteed. © 2026 OneKey® MLS. All rights reserved.

Advertising Broker: Mark Karten | Karten Real Estate Services

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