28 Roslyn Avenue, Selden, NY 11784
$629,000 · 3 bed · 3 bath · 1,125 sq ft · built 1986 · MLS# 1048110 · Active
Welcome to this beautifully renovated 3-bedroom ranch in the heart of Selden, offering modern finishes and a functional open-concept layout. The spacious living and dining areas flow seamlessly into the stunning new kitchen, complete with stainless steel appliances, stylish cabinetry, and contemporary finishes. The primary bedroom features its own private en-suite bathroom, providing comfort and convenience. A full finished basement offers valuable extended living space, perfect for a recreation room, home office, gym, or guests. With quality updates throughout and truly move-in ready condition, this home is an excellent opportunity…
Single-family homes in the Middle Country Central School District sold for a median of $635,000 (typically $565,000–$710,000) across 516 recorded sales between Oct 17, 2025 and Oct 1, 2026, up 5.8% on the 12 months before. This home's $629,000 list price sits in the mid-market single-family tier for the Middle Country Central School District.
ZIP 11784 has about 2.1 months of single family inventory — seller's market. Demand is outpacing supply, so homes sell quickly with firm pricing and limited room to negotiate.
At about $9,427 a year, this home's property tax runs roughly 21% below the $12,000 typical for Middle Country Central School District. Suffolk bills combine town, school and special-district levies, so two homes at the same price in neighboring districts can carry materially different taxes. Exemptions such as STAR, Senior or Veteran move the number as well — a new owner's bill is often not the same as the seller's.
OneKey MLS (recorded LI sales, trailing 12mo) + actual tax

Listings courtesy of OneKey® MLS as distributed by MLS GRID.
Based on information submitted to the MLS GRID as of October 18, 2026 7:45 am. 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.
Personal-use terms and which listings this site shows: MLS & Data Disclosures
Single-family price trend · Middle Country Central School District
Single-family homes in the Middle Country Central School District sold for a median of $635,000 across 516 recorded sales between Oct 17, 2025 and Oct 1, 2026, up 5.8% on the median of the 12 months before. This is a year-over-year comparison of recorded sales, not a forecast.
Considering Selden? Explore the Selden community guide →
More homes nearby
- All homes for sale in Selden, NY
- Homes for sale in Suffolk County, NY
- All Long Island & NYC listings
- Homes in ZIP 11784
Looking for off-market opportunities or a property attorney's read on this listing? Contact Joseph DeVito — Lic. R.E. Associate Broker + NY-licensed real estate attorney.
