21 Glen Hollow Drive #G9, Holtsville, NY 11742

21 Glen Hollow Drive #G9, Holtsville, NY 11742

$349,990 · 2 bed · 1 bath · 1,080 sq ft · built 1974 · MLS# 1045878 · Active

Welcome to 21 Glen Hollow Road in Holtsville! This beautifully maintained upper-level two-bedroom, one-bath co-op is ideally situated in one of the community’s most desirable and private locations. Step outside onto your balcony and enjoy a peaceful, tree-lined setting with exceptional privacy—the perfect spot for morning coffee or relaxing at the end of the day. Inside, you’ll find gleaming hardwood floors throughout, a spacious living room, formal dining room perfect for entertaining, and an updated kitchen. The brand-new bathroom has been beautifully renovated, adding a fresh, modern touch to this…

Co-ops in the Patchogue-Medford Union Free School District sold for a median of $275,000 (typically $250,000–$300,000) across 39 recorded sales between Oct 20, 2025 and Sep 30, 2026, up 1.9% on the 12 months before.

ZIP 11742 has about 1.2 months of co-op inventory — hot seller's market. Severe inventory shortage — homes sell fast and often draw multiple offers over asking, giving sellers maximum leverage.

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 20, 2026 9:15 pm. 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

Co-op price trend · Patchogue-Medford Union Free School District

Co-ops in the Patchogue-Medford Union Free School District sold for a median of $275,000 across 39 recorded sales between Oct 20, 2025 and Sep 30, 2026, up 1.9% on the median of the 12 months before. This is a year-over-year comparison of recorded sales, not a forecast.

Considering Holtsville? Explore the Holtsville community guide →

More homes nearby

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.