45 Dietz Avenue, Lake Grove, NY 11755

45 Dietz Avenue, Lake Grove, NY 11755

$1,200,000 · 5 bed · 4 bath · 2,900 sq ft · built 1980 · MLS# 1045164 · Active

Welcome to this beautifully appointed 5-bedroom, 4-bathroom home offering nearly 3,000 square feet of living space on an expansive half-acre lot of approximately 22,000 square feet. Thoughtfully designed for both everyday living and entertaining, this home features oak hardwood floors, recessed lighting throughout, four exposures providing abundant natural light, central heating and cooling, and multiple access points to the yard and deck. Major recent upgrades include a roof approximately 2 years old, fully paid-off solar panels installed approximately 2 years ago, an in ground heated saltwater pool approximately 1 year…

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 $1,200,000 list price sits in the luxury single-family tier for the Middle Country Central School District.

ZIP 11755 has about 3.5 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 $18,880 a year, this home's property tax runs roughly 57% above 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 7:00 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.

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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.

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