21 Bay Avenue W, Hampton Bays, NY 11946

$1,699,000 · 4 bed · 3 bath · 2,522 sq ft · built 1977 · MLS# 1034640 · Active

Quiet, Private, Set on 1.87 Acre Flag Lot. Beautifully Maintained Immaculate Two Story Traditional of 2,600+- sq.ft. Four Bedrooms, Three Bathrooms., First Floor Features Living Room with Masonry fireplace, & oak floors. Formal Dining, Corian Kitchen with Stainless Appliances which opens Skylit Great Room, 1 Bath all on 1st Floor. Second Floor Features Vaulted Ceiling Primary Bedroom with private in suite bathroom and Masonry Fireplace, Walk in Closet + additional closets. 3 Additional Bedrooms, and one Full Bath. Full basement with high ceilings. Two car attached garage. Lovely Sundeck for…

Single-family homes in the Hampton Bays Union Free School District sold for a median of $1,000,000 (typically $850,000–$1,500,000) across 134 recorded sales between Oct 6, 2025 and Oct 2, 2026, up 14.9% on the 12 months before. This home's $1,699,000 list price sits in the upper single-family tier for the Hampton Bays Union Free School District.

At about $10,064 a year, this home's property tax runs roughly 26% above the $8,000 typical for Hampton Bays Union Free 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