Top Realtors and Real Estate Agents in Castro Valley, CA
Rankings based on verified MLS transaction data. Last updated May 2026. No pay-to-play.
Top Agent
Top 0.11%
in Castro Valley, CA
$1.29B
All-Time Sales
$650K - $5M
Price Range
5%
Negotiated Off List
Top AgentTop 0.67%
in Castro Valley, CA
$235.7M
All-Time Sales
$640K - $2.8M
Price Range
3%
Negotiated Off List
Top AgentTop 1.01%
in Castro Valley, CA
$218.4M
All-Time Sales
$600K - $2.8M
Price Range
Top AgentTop 1.57%
in Castro Valley, CA
$1.11B
All-Time Sales
$750K - $4.9M
Price Range
4%
Negotiated Off List
Top Agent
(73)
Carol Sawdey
Berkshire Hathaway HomeServices Drysdale Properties
18 Years of experience
33+ Sales in the last 12 months
Top 2.92%
in Castro Valley, CA
$435.9M
All-Time Sales
$830K - $6M
Price Range
3%
Negotiated Off List
Top AgentTop 3.71%
in Castro Valley, CA
$425.4M
All-Time Sales
$550K - $2.8M
Price Range
3%
Negotiated Off List
Top AgentTop 4.61%
in Castro Valley, CA
$33.2M
All-Time Sales
$660K - $1.7M
Price Range
Top AgentTop 5.06%
in Castro Valley, CA
$43.7M
All-Time Sales
$830K - $2.1M
Price Range
Top AgentTop 5.74%
in Castro Valley, CA
$75.8M
All-Time Sales
$910K - $6.3M
Price Range
Top AgentTop 5.85%
in Castro Valley, CA
$36.7M
All-Time Sales
$1.2M - $4.3M
Price Range
Top AgentTop 5.96%
in Castro Valley, CA
$73.5M
All-Time Sales
$670K - $2.5M
Price Range
Top AgentTop 6.19%
in Castro Valley, CA
$727M
All-Time Sales
$1M - $4.5M
Price Range
Top Agent(19)
Tomaj Trenda
Golden Gate Sotheby's International Realty
21 Years of experience
12+ Sales in the last 12 months
Top 6.97%
in Castro Valley, CA
$76.2M
All-Time Sales
$570K - $2M
Price Range
Castro valley Housing Market Trends
Median Sale Price
$1,271,500
+10.09% year-over-yearMedian Days on Market
14
-1 day year-over-yearSale-to-List Price
104.30%
+2.12% year-over-yearHomes Sold Above List Price
61.9%
+3.2% year-over-yearOff the Market in 2 Weeks
51.2%
-3.6% year-over-yearListings With Price Drops
25.5%
-11.1% year-over-yearMonths of Supply
1.2
Realtors in Castro valley
889
Verified MLS market data through May 2026.
When Is the Best Time to Sell a House in Castro Valley?
Based on the last 24 months of verified MLS market data, homes in Castro Valley sell fastest and closest to asking when they go under contract in April. To hit that window, plan to list around April.
Median days on market by month (shorter is faster)
April
Best month to sell
12 days
Typical time on market
105%
Of asking price
Seasonal averages from the last 24 months of Castro Valley, CA sales. Individual results vary with price, condition, and how the broader market moves. A local agent can pinpoint the right timing for your home.
How We Rank Castro Valley Real Estate Agents
Our rankings are built from verified MLS transaction data, not advertising spend. For every agent we analyze more than fifteen performance signals, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results (how far above or below list price an agent's clients actually close), price-point fit, and verified reviews. The agents shown first are those whose verified results put them at the top of the Castro Valley market today.
Agents cannot pay for placement in these rankings. The underlying data refreshes as new closed transactions are reported, so rankings shift with real market performance. Learn how we rank agents.
Rankings reviewed by Kevin Stuteville, Licensed Florida Real Estate Broker (License BK3068131), Founder of EffectiveAgents.
Data last updated: May 2026
Castro Valley Real Estate Agent FAQs
How were these Castro Valley real estate agents ranked?
Rankings are built from verified MLS transaction data. We analyze more than fifteen performance signals for every agent, including sales volume in your city and zip code, recent and all-time transactions, days on market, negotiation results, price-point fit, and verified reviews. Agents cannot pay for placement.
How many real estate agents are in Castro Valley?
Our data covers 889 real estate agents serving the Castro Valley area. The count represents agents with transaction activity recorded in our Castro Valley market data, not simply everyone holding a license.
What does the median sale price in Castro Valley mean for sellers?
Castro Valley's median sale price is $1,271,500 as of May 2026. Half of recent sales closed above that figure and half below. It is a useful baseline for understanding the market, but an experienced local agent will price your home against comparable recent sales in your neighborhood, not the citywide median.
Does it cost anything to use EffectiveAgents?
No. EffectiveAgents is free for home buyers and sellers, with no obligation to work with any agent we match you with.
Do agents pay to be ranked or featured?
No. Agents cannot pay for placement anywhere in these rankings. Positions are earned from verified transaction performance only.
What commission do Castro Valley realtors charge?
Commissions are negotiable and vary by agent, service level, and transaction. There is no set rate, and recent industry changes have made commission structures more flexible than ever. Discuss the structure directly with your agent before signing a listing or buyer agreement.
Should I use a local Castro Valley agent or a national brand?
The individual agent matters more than the brand on the sign. Offices within the same national franchise vary widely in performance, and the agent you hire, not the logo, prices your home, negotiates your contract, and manages your closing. A strong local agent brings firsthand knowledge of Castro Valley neighborhoods, pricing patterns, and buyer activity. Compare agents on verified local results such as recent sales, days on market, and negotiation outcomes rather than name recognition.
What questions should I ask a Castro Valley realtor before hiring them?
Ask how many homes they have closed in Castro Valley in the past year, what their average sale-to-list ratio is, and how much of their business is in your neighborhood and price range. Ask how they will market your home or find you listings, and how often they will communicate. Strong agents answer with specifics. Verified transaction data is the fastest way to confirm what you hear.
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