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339 El Serena is a classic Mobile Home situated on a large lot in the part of Rancho Diablo MH Park that borders Concord Cascade MH Park (some of biggest lots in the Park can be found here). This home has been very well maintained over the years and with 2 Bedroom, 2 Bathrooms, a good sized Kitchen, Living Room, Family Room / Den with an old fashioned Bar, you will be abled to spread-out and relax in this comfortable environment. And if that wasn't enough, there is also a "Florida Room" - a Screened-in Patio which has been framed-in with drywall. The back yard area has mature Fruit Trees and cultivated Rose Bushes. Rancho Diablo is highly regarded as one of the finest Senior Parks in Contra Costa County with a Swimming Pool and Spa and plenty of year round activities for you to participate in. Come join us and live the good life in Rancho Diablo Mobile Home Park. Fireplaces: NO
Listing agent: Nicholas White DRE #01210785 nickwhite.ohc@gmail.com, Listing office: Old Harbour Company
MLS data updated 10/19/2026, 3:25:59 PM PT
Source: CRMLS, MLS #: 41031955
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jul 20, 2023
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
$215,000Closed sale · Jul 20, 2023ZIP 94553 · Jul 2023
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.