Welcome to 23 Old Westbury Road, an extraordinary private compound set on approximately 16 acres of fully landscaped grounds in one of Long Island’s most prestigious enclaves. At its heart stands a ~10,000 sq. ft. Mediterranean-style brick mansion of commanding presence, complemented by seven additional legal residences, 14 garages, two large barns, and a U-shaped horse stable. The estate offers resort-level amenities, including an Olympic-sized heated in-ground pool of nearly 90,000 gallons with jacuzzi, a full outdoor kitchen, and manicured gardens designed for grand entertaining and tranquil living alike. Zoned for two acres with non-conforming use, the property presents a rare opportunity to subdivide or reimagine, unlocking tremendous value for a buyer seeking not only a remarkable lifestyle but also a sound investment. Whether envisioned as a multi-generational compound, equestrian estate, income-producing asset, or backdrop for film and media productions, this property offers versatility at a scale seldom seen. Perfectly situated just 30 minutes from New York City and minutes from public transportation, 23 Old Westbury Road delivers privacy, prestige, and long-term potential—an unparalleled acquisition for both use and investment.
For sale
$14,950,000
23 Old Westbury Rd, Old Westbury, NY 11568
20beds
10,000sqft
Single Family Residence, Residential
Built in 1988
15.89 Acres Lot
$-- Zestimate®
$1,495/sqft
$-- HOA
What's special
Olympic-sized heated in-ground poolMediterranean-style brick mansionPrivate compoundFully landscaped groundsFull outdoor kitchenResort-level amenitiesManicured gardens
- 189 days |
- 3,081 |
- 91 |
Zillow last checked: 7 hours ago
Listing updated: September 25, 2025 at 07:19am
Listing by:
Nest Seekers LLC 516-922-2878,
Zachary Elliott 516-695-1547,
Richard M. Golden 516-680-3342,
Nest Seekers LLC
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 914193
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 20
- Bathrooms: 30
- Full bathrooms: 25
- 1/2 bathrooms: 5
Heating
- Forced Air, Oil
Cooling
- Central Air
Appliances
- Included: Dishwasher, Dryer, ENERGY STAR Qualified Appliances, Freezer, Microwave, Oven, Refrigerator, Washer, Gas Water Heater
Features
- Cathedral Ceiling(s), Chandelier, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, Marble Counters, Pantry, Primary Bathroom, Sauna
- Attic: None
- Number of fireplaces: 5
Interior area
- Total structure area: 10,000
- Total interior livable area: 10,000 sqft
Property
Parking
- Total spaces: 5
- Parking features: Garage
- Garage spaces: 5
Features
- Has private pool: Yes
Lot
- Size: 15.89 Acres
Details
- Parcel number: 1000C001354
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Estate,Mediterranean
- Property subtype: Single Family Residence, Residential
Materials
- Brick, Stone
Condition
- Year built: 1988
Utilities & green energy
- Sewer: Cesspool
- Water: Public
- Utilities for property: Cable Available, Trash Collection Public
Community & HOA
HOA
- Has HOA: No
Location
- Region: Old Westbury
Financial & listing details
- Price per square foot: $1,495/sqft
- Tax assessed value: $6,882,000
- Annual tax amount: $135,000
- Date on market: 9/23/2025
- Cumulative days on market: 190 days
- Listing agreement: Exclusive Right To Sell
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 3/28/2026 | Listing removed | $2,500 |
Source: Zillow Rentals Report a problem | ||
| 3/15/2026 | Listed for rent | $2,500-16.7% |
Source: Zillow Rentals Report a problem | ||
| 9/23/2025 | Price change | $14,950,000+7.6%$1,495/sqft |
Source: | ||
| 4/13/2025 | Price change | $13,900,000+26.4%$1,390/sqft |
Source: | ||
| 7/31/2023 | Listed for sale | $11,000,000-7.5%$1,100/sqft |
Source: | ||
| 6/21/2023 | Listing removed | -- |
Source: | ||
| 9/24/2022 | Listed for sale | $11,888,000-14.5%$1,189/sqft |
Source: | ||
| 1/12/2022 | Listing removed | -- |
Source: | ||
| 5/19/2021 | Listed for sale | $13,900,000$1,390/sqft |
Source: | ||
| 11/10/2020 | Listing removed | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 11/9/2020 | Listed for sale | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 7/10/2020 | Listing removed | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 6/12/2020 | Listed for sale | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 4/18/2020 | Listing removed | $3,000 |
Source: Donna Demkowicz R E Corp #3207193 Report a problem | ||
| 4/15/2020 | Listing removed | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 3/25/2020 | Listed for rent | $3,000+42.9% |
Source: Donna Demkowicz R E Corp #3207193 Report a problem | ||
| 1/6/2020 | Listed for sale | $13,900,000$1,390/sqft |
Source: Donna Demkowicz R E Corp #3162513 Report a problem | ||
| 8/5/2017 | Listing removed | $2,100 |
Source: Donna Demkowicz, REALTOR #2959197 Report a problem | ||
| 7/29/2017 | Listed for rent | $2,100-25% |
Source: Donna Demkowicz, REALTOR #2959197 Report a problem | ||
| 3/16/2017 | Listing removed | $2,800 |
Source: Douglas Elliman #2912000 Report a problem | ||
| 2/7/2017 | Listed for rent | $2,800+12% |
Source: Douglas Elliman Real Estate #2912000 Report a problem | ||
| 11/29/2016 | Listing removed | $2,500+25% |
Source: Douglas Elliman Real Estate #2894149 Report a problem | ||
| 5/15/2015 | Listing removed | $2,000 |
Source: Donna Demkowicz, REALTOR #2729609 Report a problem | ||
| 4/9/2015 | Listed for rent | $2,000 |
Source: Donna Demkowicz, REALTOR #2729609 Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | -- | $6,882 |
| 2023 | -- | $6,882 |
| 2022 | -- | $6,882 |
| 2021 | $129,333 +18.4% | -- |
| 2020 | $109,267 -20.2% | $7,007 |
| 2019 | $136,843 | $7,007 -25% |
| 2018 | $136,843 -1.9% | $9,342 |
| 2017 | $139,461 +0.6% | $9,342 -3% |
| 2016 | $138,677 +927.5% | $9,629 -5% |
| 2015 | $13,496 -10.1% | $10,136 -11.7% |
| 2013 | $15,005 -87.8% | $11,474 -12% |
| 2011 | $123,213 +16.5% | $13,039 |
| 2010 | $105,756 | $13,039 +0.8% |
| 2009 | -- | $12,940 -46.6% |
| 2005 | -- | $24,235 -38.3% |
| 2003 | -- | $39,297 -51.6% |
| 2002 | -- | $81,120 |
| 2001 | -- | $81,120 |
| 2000 | -- | $81,120 |
Find assessor info on the county website
Monthly payment
Estimated monthly payment
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
See how much you could borrow to make a competitive offer.
Climate risks
Neighborhood: 11568
Nearby schools
GreatSchools rating
- 5/10Drexel Avenue SchoolGrades: 1-5Distance: 0.8 mi
- 3/10Westbury Middle SchoolGrades: 6-8Distance: 0.9 mi
- 5/10Westbury High SchoolGrades: 9-12Distance: 0.6 mi
Schools provided by the listing agent
- Elementary: Drexel Avenue School
- Middle: Westbury Middle School
- High: Westbury High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Local experts in 11568
- New York
- Nassau County
- Old Westbury
- 11568
- 23 Old Westbury Rd



