Top Realtors and Real Estate Agents in Port Costa, CA
Rankings based on verified MLS transaction data. Last updated January 2026. No pay-to-play.
Top Agent
$425.4M
All-Time Sales
$550K - $2.8M
Price Range
3%
Negotiated Off List
Top Agent$522.6M
All-Time Sales
$580K - $2.3M
Price Range
4%
Negotiated Off List
Top Agent$17M
All-Time Sales
$570K - $2.5M
Price Range
24
Total Number Of Homes Sold
Top Agent$139.4M
All-Time Sales
$320K - $1.6M
Price Range
3%
Negotiated Off List
Top Agent$219.8M
All-Time Sales
$600K - $2.8M
Price Range
294
Total Number Of Homes Sold
Top 0.63%
in Port Costa, CA
2
Sold in Port Costa, CA
2001
Year Licensed
Port costa Housing Market Trends
Median Sale Price
$713,000
0.00% year-over-yearMedian Days on Market
14
0 days year-over-yearSale-to-List Price
89.69%
0% year-over-yearRealtors in Port costa
111
Verified MLS market data through January 2026.
When Is the Best Time to Sell a House in Port Costa?
Based on the last 24 months of verified MLS market data, homes in Port Costa sell fastest and closest to asking when they go under contract in May. To hit that window, plan to list around May.
Median days on market by month (shorter is faster)
May
Best month to sell
7 days
Typical time on market
124.8%
Of asking price
Seasonal averages from the last 24 months of Port Costa, 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 Port Costa 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 Port Costa 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: January 2026
Port Costa Real Estate Agent FAQs
How were these Port Costa 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 Port Costa?
Our data covers 111 real estate agents serving the Port Costa area. The count represents agents with transaction activity recorded in our Port Costa market data, not simply everyone holding a license.
What does the median sale price in Port Costa mean for sellers?
Port Costa's median sale price is $713,000 as of January 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 Port Costa 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 Port Costa 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 Port Costa 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 Port Costa realtor before hiring them?
Ask how many homes they have closed in Port Costa 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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