17 Mill Street, Port Jefferson, NY 11776

17 Mill Street, Port Jefferson, NY 11776

$700,000 · 4 bed · 2 bath · 3,258 sq ft · built 1978 · MLS# 1064018 · Active

Tucked away on a quiet dead-end street, this four-bedroom, two-bath ranch offers an open floor concept throughout, affordable ownership, and an extraordinary backyard retreat. Start the morning with coffee or tea on the welcoming front deck, a great sitting area framed by mature landscaping. Inside, vaulted ceilings, wood floors, and oversized windows open up nearly 1,100 square feet of connected living, den, and dining space. A striking double-sided brick fireplace, open to both the living room and den, anchors the main level. The open kitchen features quartz countertops, white cabinetry,…

Single-family homes in the Brookhaven-Comsewogue Union Free School District sold for a median of $640,000 (typically $575,000–$705,000) across 159 recorded sales between Oct 20, 2025 and Oct 2, 2026, up 1.7% on the 12 months before. This home's $700,000 list price sits in the upper single-family tier for the Brookhaven-Comsewogue Union Free School District.

ZIP 11776 has about 2.9 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 $13,945 a year, this home's property tax runs roughly 16% above the $12,000 typical for Brookhaven-Comsewogue 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

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Based on information submitted to the MLS GRID as of October 21, 2026 11:00 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.

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Single-family price trend · Brookhaven-Comsewogue Union Free School District

Single-family homes in the Brookhaven-Comsewogue Union Free School District sold for a median of $640,000 across 159 recorded sales between Oct 20, 2025 and Oct 2, 2026, up 1.7% on the median of the 12 months before. This is a year-over-year comparison of recorded sales, not a forecast.