# 45 Quassaick Avenue, New Windsor, NY 12553

> **TL;DR:** single family, $525,000, built 1900.
> A/C. Est. $2,275/mo. Listed 106 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $525,000 |
| Year Built | 1900 |
| Lot Size | 10,019 sqft (0.23 acres) |
| Property Type | Single Family (Other) |
| Status | For Sale |
| Days on Market | 106 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $2,275 |
| **Total** | **$2,275** |

## Key Amenities

- A/C

## Property Highlights

- Built in 1900
- 0.23 acre lot
- 16 parking spaces

## Description

### Agent Description
Business opportunity in the Town of New Windsor! See the potential of this versatile property currently operating as a dentist office, located in a high-traffic area on US RTE 9W. This is a perfect chance to start or expand your business in a thriving location. Convenient rear parking available for clients and customers. Also includes a basement with a separate entrance, perfect for storage or extra office space. Plenty of room of several apartment spaces. Don't miss out on this incredible opportunity to establish your business in a prime location. Schedule a showing time!

## Location

- **Address:** 45 Quassaick Avenue, New Windsor, NY 12553
- **County:** Orange County

## Listing Agent

- **Name:** Tyler Prokosch
- **Brokerage:** John J Lease REALTORS Inc
- **Phone:** 8455426966
- **Email:** tylerprokosch@johnjleaserealtors.com

## Primary Photo

![45 Quassaick Avenue - Primary Photo](http://lh.rdcpix.com/e65486b1889a0b73f226071f40430a29l-f2475257613r.jpg)

*23 total photos available on [listing page](https://www.propertysimple.com/listing/45-quassaick-avenue-new-windsor-ny-12553-y959992)*

---

**MLS#:** 959992 | **Updated:** 2026-06-19
**Source:** listhub

*Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/45-quassaick-avenue-new-windsor-ny-12553-y959992)

---

## Structured Data

```json
{
  "@context": "https://schema.org",
  "@type": "RealEstateListing",
  "name": "45 Quassaick Avenue, New Windsor, NY 12553",
  "description": "Business opportunity in the Town of New Windsor! See the potential of this versatile property currently operating as a dentist office, located in a high-traffic area on US RTE 9W. This is a perfect chance to start or expand your business in a thriving location. Convenient rear parking available for clients and customers. Also includes a basement with a separate entrance, perfect for storage or extra office space. Plenty of room of several apartment spaces. Don't miss out on this incredible oppor",
  "url": "https://www.propertysimple.com/listing/45-quassaick-avenue-new-windsor-ny-12553-y959992",
  "image": "http://lh.rdcpix.com/e65486b1889a0b73f226071f40430a29l-f2475257613r.jpg",
  "datePosted": "2026-06-19",
  "price": 525000,
  "priceCurrency": "USD",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "45 Quassaick Avenue",
    "addressLocality": "New Windsor",
    "addressRegion": "NY",
    "postalCode": "12553",
    "addressCountry": "US"
  },
  "yearBuilt": 1900
}
```