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821 Prospect AvenueWestbury, NY 11590

For Sale

$875,000

Smart Buyer Rebate $8,750

Rare opportunity in Westbury! Two separate condominium units being offered together, creating exceptional flexibility for both owner-occupants and investors. Featuring a combined 5 bedrooms and 3 full bathrooms, this unique setup offers the opportunity to enjoy the benefits of living in one unit while generating income from the other, or to utilize both units as part of an investment strategy. The property also offers an established rental-income history, adding to its appeal for buyers seeking income-producing potential. Enjoy the advantages of two distinct residences within one offering—an uncommon opportunity that provides space, versatility and multiple possibilities for ownership. Conveniently located near shopping, dining, transportation and major roadways. Both condominium units are being sold together.

Listed by Alexis Brown

·

Peoples Realty & Associates

·

516-447-1575

Last updated August 20, 2026

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Source: OneKey #1036844

Listing Facts

  • TypeCondo
  • NeighborhoodWestbury Hills
  • Bedrooms5
  • Bathrooms3
  • Days on Prevu36
  • HOA/Maint. Fees$625/month
  • Taxes$12,220/year
  • Size2,138 sqft
  • Price per sqft$409

Amenities

  • Dishwasher
  • Washer/Dryer
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

08/20/2026
Price Decreased
$875,000
08/13/2026
Price Decreased
$919,999
08/10/2026
Listed by Peoples Realty & Associates
$949,999
  1. 08/20/2026$875,000
    Price Decreased
  2. 08/13/2026$919,999
    Price Decreased
  3. 08/10/2026$949,999
    Listed by Peoples Realty & Associates

Property Details for 821 Prospect Avenue

Association

Amenities

  • Pets Allowed: No Restrictions

Fees

  • Association Fee: $625.00 Monthly
  • Association Fee Includes: Common Area Maintenance, Exterior Maintenance, Snow Removal

General

  • Association Name: Newcassel Prospect Condo

Exterior

Construction

  • Property Attached: Yes
  • Structure Type: Townhouse
  • Year Built: 2012
  • Common Walls: 2+ Common Walls
  • Construction Materials: Brick
  • Entry Level: 2

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 0.28
  • Lot Size Square Feet: 12,220

Financial

Taxes

  • Parcel Number: 2289-11-104-00-0237-UCA025400002
  • Tax Annual Amount: $12,220.00
  • Tax Assessed Value: $283.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Oven, Gas Range, Refrigerator, Washer
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Other, Washer/Dryer Hookup

Measurements

  • Living Area: 2,138
  • Living Area Source: Measured

Rooms

  • Basement: Full
  • Has Basement: Yes
  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 5
  • Rooms Total: 10

Parking

Parking

  • Parking Features: Assigned, Other
  • Parking Total: 1

Schools

Elementary School

  • Elementary School: Park Avenue School - Westbury
  • Elementary School District: Westbury

High School

  • High School: Westbury High School
  • High School District: Westbury

Middle or Junior School

  • Middle Or Junior School: Westbury Middle School
  • Middle Or Junior School District: Westbury

Utilities

Equipment

  • Cooling: Wall/Window Unit(s)
  • Heating: Baseboard, Other
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Connected, Natural Gas Connected, Trash Collection Public
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 5 bedrooms and 3 bathrooms in this condo at 821 Prospect Avenue.

What schools are nearby to 821 Prospect Avenue?

Nearby schools include the Park Avenue School - Westbury Elementary School, Westbury Middle School, and Westbury High School.

Does this condo have parking?

Yes, there is 1 parking space available for 821 Prospect Avenue.

Are pets allowed at 821 Prospect Avenue?

Yes, 821 Prospect Avenue allows pets. Check the Property Details for any relevant restrictions.

What are the annual taxes for 821 Prospect Avenue?

Annual taxes for this condo are estimated at $12,220.

How does 821 Prospect Avenue compare to other condos in Westbury Hills?

This condo is listed 8% below the average price for condos in Westbury Hills and has been on the market for 20 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is part of the Newcassel Prospect Condo home owners association.

What is the square footage on this condo?

According to the MLS, this listing is 2,138 sqft.

821 Prospect Avenue is a 5-bedroom, 3-bath condo for sale in Westbury NY 11590. Available on Prevu for 36 days at $875,000. This includes a recent price decrease of $44,999. This home features 2,138 square feet of living space, located in Westbury Hills. The median listing price for condos in this area is $775,000. Nearby schools include Park Avenue School - Westbury Elementary School, Westbury Middle School, and Westbury High School. Property amenities include dishwasher, pets allowed, parking, and washer/dryer. Browse more condo listings in Nassau County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. 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. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.