$10,000 Closing Credit¹
#854233, Listing office: Douglas Elliman Real Estate
$1,988,000 List price
20 Greenwich Ave Bayville, NY 11709
$10,000
Closing credit¹
5 beds
3 full, 1 partial
3,558 sqft
0.3 acres
$559 / sqft
House
Property details
About 20 Greenwich Ave
Sunrise, Sunset — Your Beachside Oasis Awaits Step outside your living room onto one of Long Island Sounds highest scoring beaches for water quality. Wake up to beautiful water views and wind down with stunning sunsets from your private bedroom balcony in this spacious and versatile beach home. With 5 bedrooms, 3.5 baths, and over 3,500 square feet, this legal two-family duplex offers incredible flexibility — perfect for a large family, multi-generational living, a dedicated guest suite with its own full kitchen, washer, and dryer, or a legal accessory apartment. Inside, enjoy a blend of comfort and style with ceramic flooring on the first level, hardwood upstairs, recessed lighting throughout, and multiple skylights that flood the space with natural light. A rebuilt stone front facade, first layer roof (2012) and emergency generator add both charm and peace of mind. Step outside to a private side patio with a new hot tub, built-in bar refrigerator, and cooler — ideal for entertaining. The expansive deck and patio both feature retractable awnings, and all outdoor furniture is included. And, this is one of the only homes which has a deeded beach to the median high tide water line. This is more than a home — it’s a lifestyle. Whether you're watching the sunrise with your morning coffee or enjoying evening cocktails as the sun sets, this property offers a rare opportunity to live the beach life to the fullest.
Highlights
Home typeSingle Family Residence
HeatingBaseboard
StatusActive
CoolingCentral Air
Size3,558 sqft
Lot size0.25 Acres
Year built1948
MLS #848638
Garage3 spaces
WaterfrontBeach, Sound
ViewWater
Summary
- Partial Bathrooms: 1
- Full Bathrooms: 3
- Appliances: Dishwasher, Dryer, Gas Range, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
- Basement: No
- Flooring Type: Ceramic Tile, Wood
- Interior: First Floor Bedroom, First Floor Full Bath, Breakfast Bar, Chefs Kitchen, Eat-in Kitchen, Entrance Foyer, Formal Dining, High Ceilings, Primary Bathroom, Open Floorplan, Open Kitchen, Sound System, Speakers, Storage, Walk-In Closet(s), Washer/Dryer Hookup
- Total Bedroom Count: 5
- Garage Space: 3 spaces
- Private Pool: No
- Waterfront: Beach, Sound
- View: Water
- Exterior: Awnings, Balcony, Fence, Deck, Patio
- Architectural Style: Colonial, Contemporary
- Heating: Baseboard
- Cooling: Central Air
- List Price: $1,988,000
- Price/SqFt: $558
- HOA Amount: $0
- Annual Tax Amount: $4,440
- Tax Year: 2024
- Lot: Waterfront
- Directions: Bayville Ave. to Greenwich. Last home on the left side.
- Year Built: 1948
- Living Area: 3,558 SqFt
- Lot Size: 0.25 Acres
- MLS Number: 848638
- MLS Name: ONEKEY2
- Office Name: Douglas Elliman Real Estate
- Office Phone: (516) 759-0400
Listings courtesy of OneKey MLS as distributed by MLS GRID.
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. Properties displayed may be listed or sold by various participants in the MLS.
The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the OneKey™ MLS. Real Estate listings held by brokerage firms other than this broker are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. This information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed.
Information Copyright 2025, OneKey™ MLS. All Rights Reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 6/5/2025, 12:41:29 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
Get an agent. Get a mortgage. Save big.¹
$1,988,000
20 Greenwich Ave
$10,000
closing credit¹
Sell your home with Rocket and save even more!
Seller rebate
0.5% sale price²
Price information
Property sales
| Date | Event | Price |
|---|---|---|
| Jul 12, 2004 | Home Sold | $1,137,500 |
Tax history
| Year | Assessment | Property Tax |
|---|---|---|
| 2024 | $1,070 | $4,440 |
| 2023 | $1,080 | $20,581 |
| 2022 | $1,200 | $23,087 |
| 2021 | $1,157 | $22,560 |
| 2020 | $1,157 | $21,370 |
| 2019 | $1,898 | $20,193 |
| 2018 | $1,898 | $19,038 |
| 2017 | $1,898 | $18,380 |
History based on county public records data.
Nearby schools
7
Bayville Intermediate School
Public District 3-5
1.1 mi
•119 Ryefield Rd
7
Locust Valley Intermediate School
Public District 3-5
2.8 mi
•96 Mountain Ave
6
Vernon School
Public District 3-6
4.1 mi
•880 Oyster Bay Rd
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $71,245. Residents of Bayville, NY typically earn between $35k-100k each year. Residents typically live in single, no kids family. The majority of residents in this area have post secondary degree education.
How much money do the neighbors make?
18%
<35k
53%
35k-100k
26%
100k-200k
3%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
What types of families live nearby?
43%
Single, No Kids
6%
Single, with Kids
30%
Married, No Kids
21%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
12%
<11 yrs old
8%
12-17 yrs old
17%
18-34 yrs old
49%
35-64 yrs old
14%
65+ yrs old
What do the neighbors do for fun?
Symphony or Opera
Hiking/backpacking
PGA/LPGA
Where do the neighbors shop?
Chico's
Nordstrom Rack
New York & Company
Where do the neighbors go to eat?
Boston Market
Chipotle
Bonefish Grill
What do the neighbors drive?
Volvo
Mazda
Cadillac
What do the neighbors listen to?
Talk/Personality
Rock
Classical
All data provided by Home Junction and Claritas
Similar homes for sale
$10,000 Closing Credit¹
#849473, Listing office: Connie Francisco R E Group
$10,000 Closing Credit¹
#L3577177, Listing office: Douglas Elliman Real Estate
$10,000 Closing Credit¹
#847581, Listing office: Daniel Gale Sothebys Intl Rlty
$10,000 Closing Credit¹
#L3582290, Listing office: BERKSHIRE HATHAWAY
$10,000 Closing Credit¹
#856665, Listing office: Jamie Realty Group
$9,476 Closing Credit¹
#819419, Listing office: Daniel Gale Sothebys Intl Rlty
$9,203 Closing Credit¹
#832057, Listing office: Douglas Elliman Real Estate
$8,669 Closing Credit¹
#864277, Listing office: LAFFEY REAL ESTATE
$9,844 Closing Credit¹
#L3591867, Listing office: Vantage Realty Partners
Frequently asked questions
About 20 Greenwich Ave
The listing price of 20 Greenwich Ave property is $1,988,000.
The property 20 Greenwich Ave is a house located in Bayville, New York, 11709.
Active Listing: 20 Greenwich Ave is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 20 Greenwich Ave are: Bayville Intermediate School (GreatSchools Rating 7/10), Locust Valley Intermediate School (GreatSchools Rating 7/10), Vernon School (GreatSchools Rating 6/10), Locust Valley Middle School (GreatSchools Rating 8/10), Robert M. Finley Middle School (GreatSchools Rating 5/10), South Woods Middle School (GreatSchools Rating 8/10), Oyster Bay High School (GreatSchools Rating 7/10), Locust Valley High School (GreatSchools Rating 9/10), Glen Cove High School (GreatSchools Rating 5/10).
According to the records, the last property tax for 2024 is $4,440 (source: MLS/based on county public records data).
The last sale was on July 12, 2004 for $1,137,500 (source: MLS/tax record).
The property at 20 Greenwich Ave has 5 bedrooms and 3 full and 1 half bathrooms.
The property 20 Greenwich Ave is 3,558 SqFt (source: MLS/tax record).
The year of construction for 20 Greenwich Ave is 1948.
This home is located at 20 Greenwich Ave in Bayville, NY and zip code 11709 in the Town of Oyster Bay neighborhood. This 3,558 square foot home, which was built in 1948, sits on a 0.25 acre lot. Features: 5 bedrooms, 4 bathrooms. It has been listed on Rocket Homes since April 24, 2025 and is currently priced at $1,988,000.
In May 2025, from all listings sold in Bayville, NY there were more than 0 sold above asking price, over 2 sold below and more than 0 were sold right at the asked price. The inventory of homes for sale in Bayville, NY between April and May 2025 increased by 7.7%. Listings spent 30 days on the market in May 2025, and had a median list price of $800,000 during the same period.
From Rocket Homes Real Estate and based on county public records data.