31 Montgomery Street, Brentwood, NY 11717

$699,000 · 7 bed · 3 bath · 1,144 sq ft · built 1937 · MLS# 1073386 · Active

Welcome to 31 Montgomery St, Brentwood, NY 11717, a spacious and inviting Cape Cod offering an abundance of room, comfort, and possibilities. This wonderful home features 7 bedrooms and 3 full bathrooms, providing a flexible layout with plenty of space for a variety of living arrangements. Step inside to discover a welcoming living room, an eat-in kitchen, and a dining room combination, creating a comfortable setting for everyday living and entertaining. Beautiful hardwood flooring adds warmth and character throughout the home. The full finished basement offers valuable additional space for…

Single-family homes in the Brentwood Union Free School District sold for a median of $640,000 (typically $580,000–$685,000) across 282 recorded sales between Nov 6, 2025 and Oct 30, 2026, up 5.8% on the 12 months before. This home's $699,000 list price sits in the upper single-family tier for the Brentwood Union Free School District.

ZIP 11717 has about 3.4 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 $7,839 a year, this home's property tax runs roughly 13% below the $9,000 typical for Brentwood 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