18 20th Avenue Sea Cliff, NY $ 1,699,900
18 20th Avenue
$ 1,699,900
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18 20th Avenue

Sea Cliff, NY, 11579
$ 1,699,900
Bedrooms4 Baths2.1 Sq 2,022

Monthly Estimate*

$ 10,733

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Single Family Home for sale in Sea Cliff, NY

for $1,699,900 with 4 bedrooms and 2 full baths, 1 half bath. This 2,022 square foot home was built in 1898 on a lot size of 33.

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 finishes. * Smart Home Technology: Fully integrated SMART home automation paired with custom automated Hunter Douglas blinds. * Premium Finishes: Rich hardwood floors run seamlessly throughout the entire home. * Daily Convenience: A functional mudroom features custom built-ins alongside a stylish powder room. Your Second-Floor Sanctuary: * Primary Suite Oasis: A luxurious retreat featuring a spacious walk-in closet and a spa-like marble bathroom complete with radiant heat, a steam shower, and a separate soaker tub. * House Accommodations: Three additional bright bedrooms, a centrally located hall bath, and a dedicated upstairs laundry area. Bonus Spaces & Private Resort Grounds: * Finished Basement: Provides a dedicated play area for guests, plus abundant extra storage. * Oversized Property: A custom-made fence with a beautiful arbor completely surrounds the property, offering ample private outdoor space. * Outdoor Entertaining: Enjoy a private patio, custom landscaping, professional exterior lighting, and hassle-free in-ground sprinklers. * Ample Parking & EV Ready: A 2-car detached garage recently updated with sleek epoxy flooring and an electric car charger, plus room for 3–4 additional cars in the private driveway. The Sea Cliff Lifestyle: Perfectly located close to beautiful North Shore beaches and quaint village shops, this home offers the absolute best of Sea Cliff living. Enjoy the dual benefits of exceptionally low taxes and enrollment in the highly acclaimed North Shore School District.

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Single Family Active

Price

$ 1,699,900

Bedrooms

4

Full Bath

2

Half Bath

1

Property Type

Single Family

Taxes

$ 17,211

Style

Colonial

Lot Size

33

Year Built

1898

Town/City

Sea Cliff

County/Region

Nassau

MLS | Web ID

1039834

Features
Interior
Interior Amenities 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 Wood
Basement Bilco Door(s) Partially Finished Storage Space Unfinished
Flooring Hardwood Tile
Basement Features Bilco Door(s) Partially Finished Storage Space Unfinished
Basement (Y/N) Y
Window Features Blinds Double Pane Windows Drapes ENERGY STAR Qualified Windows
Half Baths 1
Total Bedrooms 4
Total Baths 3
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General
Sewer Septic Tank
Heating ENERGY STAR Qualified Equipment Forced Air Hot Water Natural Gas Radiant Radiant Floor
Cooling Central Air ENERGY STAR Qualified Equipment
Utilities Cable Available Cable Connected Electricity Available Electricity Connected Natural Gas Available Natural Gas Connected Trash Collection Public Water Available Water Connected
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 G
Garage Spaces 2
Patio/Porch Features Deck Patio Porch
Architectural Style Colonial
Security Features Building Security Fire Alarm Security Lights Security System Smoke Detector(s) Video Cameras
Construction Materials HardiPlank Type
Year Built 1898
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 2423-21-163-00-0888-0
County Nassau County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 12
Full Baths 2
Directions Prospect Ave to 20th Ave
High School North Shore Senior High School
City Oyster Bay
Senior Community Y/N N
High School District North Shore
Carport Y/N N
Spa Features Bath
Elementary School Sea Cliff Elementary School
Property Attached Y/N N
Tax Annual Amount 17211
Middle/Junior High School North Shore Middle School
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District North Shore
Elementary School District North Shore
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Exterior
Exterior Amenities Garden Lighting Rain Gutters
Fencing Back Yard Fenced Front Yard Full Wood
Parking Features Detached Driveway Electric Vehicle Charging Station(s) Garage Garage Door Opener Oversized Detached Driveway Electric Vehicle Charging Station(s) Garage Garage Door Opener Oversized
Water Source Public
Total Parking 5
Parking Spaces 5
Foundation Details Block Raised
Waterfront Y/N N
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Internal Only
Street Number 1 18
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* Excluded Features
List By
Derek J. Greene

Listing Agent

Greene Realty Group

Broker

888-278-5840

Contact

Affordability Calculator

$12,168
Per Month
88%
12%
0%
Monthly Principal & Interest
$10,733
Monthly Property Taxes
$1,434
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4100237 Elementary School
4100808 Middle School
North Shore Senior High School High School
Pricing History
DatePricePrice ChangeDescription
8/18/2026$1,699,900 Listed Price

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18 20th Avenue, Sea Cliff, NY, 11579 is a Single Family Home for sale at $1,699,900 with 2,022 sqft and a lot size of 33. 18 20th Avenue has 4 bedrooms, 2.1 baths, and was built in 1898. The property's zip code is 11579 which is in Sea Cliff, NY