Best Real Estate Agents in Castro Valley, CA• Updated Jul 2026

The data indicates a active environment in Castro Valley, CA. Inventory is at 3.8 months, meaning a balanced environment with steady turnover. Inventory is balanced but lean, requiring buyers to be decisive.

Currently, $1,330,000 represents the median entry point in Castro Valley, CA. Over the past half-year, home values in Castro Valley have moved downward by approximately 0% based on regional transaction data.

Sellers hold significant leverage in Castro Valley, CA, with a Sale Price to List Price Ratio of 104.4%. On average, properties in Castro Valley are transitioning from active to sold status in 42 days.

Based on closed transaction data, Danielle Keil ranks at the top of our Castro Valley leaderboard — with 6 completed transactions on record earning an algorithm performance score of 88. 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.

Castro Valley, CA maintains a distinct profile within the broader Alameda region. Median home values are currently 6% higher than the regional average, reflecting the unique demand and inventory dynamics of Castro Valley.

If you're selling a Mid-Market Detached Home in Castro Valley, CA, the data points to Danielle Keil as a standout choice. Their Mid-Market Detached Home closings in Castro Valley, CA show an above-average sale-to-list ratio for this segment — a sign of skilled pricing and negotiation that protects seller value.

Our transaction-level analysis puts Leslie Foster at the top for High-End Detached Home listings in Castro Valley, CA. Our algorithm ranks them based on closed transaction outcomes in the High-End Detached Home segment, not self-reported volume or marketing activity. The ranking reflects actual local performance.

Among agents with recent closings in the Entry Level Detached Home space, Tony Crumrine has the strongest performance metrics in Castro Valley, CA. Speed and price retention together are the hardest combination to find in a single agent. Their track record in the Entry Level Detached Home category in Castro Valley, CA reflects both.

Among agents actively helping buyers in the Mid-Market Detached Home space, George Morcos stands out in Castro Valley, CA. 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.

When looking specifically at Entry Level Condo/Co-op transactions, Judy Grubb consistently surfaces as a top performer in Castro Valley, CA. Judy Grubb has consistently held closer to asking price than the typical Entry Level Condo/Co-op agent in Castro Valley, CA. For sellers prioritizing their final number, that's the metric that matters most.

For those looking to purchase a Entry Level Condo/Co-op in Castro Valley, CA, Out Of Area Out has the deal history to support the choice. 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.

Navigating Castro Valley's Mid-Market Townhome market as a buyer? Theresa Mejia 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.

Chance Marden has helped buyers close on Entry Level Detached Home properties in Castro Valley, CA — and the data shows it. Across their deals in the Entry Level Detached Home category, Chance Marden has consistently achieved better-than-average terms relative to asking price in Castro Valley, CA. That kind of negotiating edge compounds over a transaction.