Osterville Real Estate Market Report

The Osterville luxury market showed resilience in September 2026. The median sale price held nearly flat at $1,187,000 — down just 0.46% from $1,192,500 in September 2025 — a notable stabilization after months of broader softening. The average sale price of $2,446,700 declined 26.01% YoY, reflecting fewer ultra-high-end closings in the month's mix rather than a broad price correction.

Homes are moving faster than a year ago. Average CDOM dropped sharply to 51 days (-27.14% YoY) and median CDOM fell to just 32 days (-48.39% YoY) — a significant improvement that signals motivated, well-priced sellers are finding buyers quickly. Active median list price of $2,687,500 is down 6.65% YoY, suggesting sellers are calibrating expectations to current demand.

The absorption rate of 5.92 (down 18.23% YoY) remains firmly in seller-favorable territory. YTD median sale price of $1,168,500 is down 10.12% from the same period in 2025, while YTD average sale price of $1,923,016 is up 2.37% — confirming that the Osterville luxury market continues to transact at a high level. Data updated October 1, 2026.

Despite the near-term softening, Osterville remains Cape Cod's most prestigious address. Well-priced waterfront and Oyster Harbors properties continue to attract serious buyers from Boston, New York, and beyond. Data updated September 1, 2026.