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NEW PRICE!! $30,000 price improvement!! Welcome to 20223 Santa Maria Avenue, where thoughtful updates meet an unbeatable Castro Valley location. This refreshed home is ready for you to move right in. The brand-new kitchen features sleek cabinetry and all-new appliances, perfect for weeknight dinners or weekend entertaining. The open living and dining area flows effortlessly for gathering with family and friends. Luxury vinyl flooring downstairs adds warmth, style, and easy maintenance, while new carpet upstairs adds comfort where you want it most. Fresh interior paint throughout and updated bathrooms complete the transformation. Step outside to your private patio, perfect for morning coffee or casual outdoor dining. Two assigned parking spaces add everyday convenience, and low $325 HOA fees keep monthly costs comfortably in check. Set back from the street for quiet and privacy, it's a short stroll to the shops and restaurants of Castro Valley village. Easy freeway and BART access make commuting a breeze, and excellent Castro Valley schools are nearby. Updated, convenient, and move-in ready, 20233 Santa Maria Avenue offers the best of Castro Valley living. Come see it for yourself and imagine calling it home.
Listing agent: Leah Tounger DRE #01400141 leah@leahtounger.com, Listing office: KW Advisors East Bay
MLS data updated 11/1/2026, 1:40:55 PM PT
Source: CRMLS, MLS #: 41148945
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 12, 2026
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
$595,000Asking price recorded · Oct 12, 2026ZIP 94546 · Oct 2026
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.No recorded sales in this range. Select All available for older records; missing records do not mean the home never sold.
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.