Osterville Real Estate Market Report

The Osterville luxury market softened in August 2026. The median sale price came in at $1,035,000 — down 19.77% from $1,290,000 in August 2025 — while the average sale price declined a more moderate 5.37% to $1,795,000, suggesting that higher-end closings are still occurring but at a reduced pace.

Homes are taking considerably longer to sell. Average cumulative days on market rose to 69 days (up 68.3% YoY) and median CDOM climbed to 49 days (up 48.5% YoY) — a meaningful shift from the brisk pace seen in prior months. Buyers in this price range are taking more time to evaluate options.

The absorption rate of 5.68 (down just 2.24% YoY) remains healthy and continues to favor sellers overall. The median list price for active listings held at $2,950,000, down 45.32% YoY, indicating sellers are pricing more competitively. YTD, the median sale price stands at $1,080,000, down 18.49% from the same period in 2025.

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.