Best Real Estate Agents in Osterville, MA• Updated Sep 2026

The data indicates a stable environment in Osterville, MA. Inventory is at 4.7 months, meaning a balanced environment with steady turnover. Inventory levels provide a healthy range of options for prospective buyers.

Currently, $1,795,000 represents the median entry point in Osterville, MA. Over the past half-year, home values in Osterville have moved downward by approximately 3% based on regional transaction data.

Buyers have room for negotiation in Osterville, MA, with a Sale Price to List Price Ratio of 94.1%. On average, properties in Osterville are transitioning from active to sold status in 80 days.

Based on closed transaction data, Ellen Valentgas ranks at the top of our Osterville leaderboard — with 3 completed transactions on record earning an algorithm performance score of 37. Agent Algo's rankings are built entirely from real deal outcomes — not reviews or paid placements — so this reflects actual results in the local market.

Osterville, MA maintains a distinct profile within the broader Barnstable region. Median home values are currently 46% higher than the regional average, reflecting the unique demand and inventory dynamics of Osterville.

Buyers targeting Entry Level Condo/Co-op homes in Osterville, MA may want to work with Buyer Unrepresented. Their buyer transactions in this segment close faster than the local norm and at sale-to-list ratios that are more favorable than typical — meaning they move quickly and negotiate effectively for the buyers they represent.

Our data flags Paul Grover as a top buyer's advocate for High-End Detached Home properties in Osterville, MA. Across their deals in the High-End Detached Home category, Paul Grover has consistently achieved better-than-average terms relative to asking price in Osterville, MA. That kind of negotiating edge compounds over a transaction.

If you're hunting for a Entry Level Detached Home in Osterville, MA, Buyer Unrepresented's track record speaks for itself. Buying effectively in this segment means knowing when and how hard to push. Their track record here shows they regularly outperform the local sale-to-list benchmark — in the buyer's favor.

Ellen Valentgas has been particularly active in Osterville's High-End Detached Home segment, and the numbers back it up. Their listings in this segment have consistently closed faster than the local average while achieving above-average sale-to-list ratios — a rare combination that directly benefits sellers on both time and final price.

John Hopkins has a strong showing as a buyer's agent in Osterville's Ultra-Luxury Detached Home market. John Hopkins's deals in the Ultra-Luxury Detached Home category in Osterville, MA tend to move from offer to close more quickly than the local norm. In a competitive market, that urgency is often what secures the property.

For those looking to purchase a Entry Level Townhome in Osterville, MA, Ellen Valentgas has the deal history to support the choice. For buyers competing in the Entry Level Townhome market in Osterville, MA, their track record indicates speed and negotiating strength that outperforms the segment baseline on both counts.

Navigating Osterville's Mid-Market Detached Home market as a buyer? Witter Witter Boston Cape Cod Connection is among the most effective agents in this niche. Their buyer closings in this segment show a sale-to-list ratio that's more favorable than the local average — a signal of effective negotiation that keeps final purchase prices competitive for buyers.

Livia Freitas Monteforte specializes in Mid-Market Detached Home properties and has built a measurable edge in Osterville's market. The data points to a dual edge here: shorter time on market than is typical for this segment, and sale prices that hold closer to — or above — the asking price compared to local norms.