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Welcome to 9 Prospect Ave, Port Costa A Rare Gem with Unmatched Views Discover one of the most unique homes to hit the market, nestled in the heart of the charming and historic town of Port Costa. This meticulously maintained 2-bedroom, 1.5-bathroom single-family home offers 1,451 square feet of character, warmth, and timeless craftsmanship. Step inside and immediately feel the difference they simply dont build homes like this anymore. Rich wood detailing, thoughtfully designed spaces, and an abundance of natural light pouring through large windows make every room feel bright, inviting, and full of life. The spacious layout offers the perfect setting for entertaining, with an open-concept feel thats both functional and welcoming. What truly sets this home apart are the breathtaking water views arguably the best in town. Whether you're enjoying morning coffee or hosting a dinner party, the backdrop of sparkling water and serene natural surroundings is truly one of a kind. Located in the quaint and rarely available enclave of Port Costa, homes here are few and far between. Dont miss this once-in-a-lifetime opportunity to own a piece of this magical town. Come experience the beauty, history, and soul of 9 Prospect Ave a home that simply has to be seen to be believed.
Listing agent: Jeremy Naval DRE #02015946 jeremy@jeremynaval.com, Listing office: Compass
MLS data updated 10/31/2026, 2:59:15 PM PT
Source: CRMLS, MLS #: ML82006122
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
May 28, 2025
Prices use the left axis; mortgage rates use the right. Hover, tap, or focus the chart and use the arrow keys. Red SOLD badges mark recorded sales.
This home · nearest recorded event
$685,000Closed sale · May 28, 2025ZIP 94569 · May 2025
No monthly averageAt least 3 eligible sales in this month are required.30-year fixed mortgage benchmark
No weekly rateNo published rate within 7 days of this date.ZIP averages use publicly displayable closed sales from our licensed MLS feed, matched to the same ZIP and exact property type. Months with fewer than 3 sales are omitted; the current month is incomplete. Lines connect available monthly observations across gaps and do not represent measured prices in missing months. These averages are not adjusted for size, condition, or location within the ZIP, and are not an appraisal. Feed coverage may not include every sale. All available shows the available home and ZIP history, with mortgage rates over the same dates.
Mortgage benchmark: Freddie Mac Primary Mortgage Market Survey®. © Freddie Mac. Weekly national 30-year fixed rates, not APRs or a loan quote. Actual terms vary. Methodology changed in November 2022. The chart does not establish that interest-rate changes caused a home’s price changes.
Lines connect recorded asking and sale prices. They are visual guides, not estimates of the home’s value between those dates.
No earlier records were returned by our current sources. This does not mean the home has never sold.
MLS records may be incomplete. Earlier asking prices are not sale prices.