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The “Robert Bettner Estate” is a beautiful late 19th Century English cottage-style home that reflects the historic elegance of Magnolia Ave. It was built in 1892 by prominent real estate investor and sportsman Robert Better and his English-born wife. Better’s mother had recently completed her nearby home, now Riverside’s “Heritage House.” The founder of the Riverside Polo Club called his home “La Ventanilla” (house of small windows). The estate is designated Cultural Landmark 59 by the city of Riverside. Entering the 1 acre property is a step back in time with the traditional gardens and mature landscaping. Opening the paneled doors flanked by traditional English Georgian-style windows, one is surrounded by elegant architecture. Wood floors and paneled walls are magnificent. Sliding pocket doors can separate the Great Hall, Music Room and formal Dining Room for more intimate settings. Four fireplaces feature fine tiles and mantles. Bays in all the formal rooms offer window seating. There are two large pantries. The butler’s pantry includes built in china cabinets and wine rack. The detached Carriage House provides ample room for vehicles and storage and includes the original horse stalls used for participating at the nearby Polo Grounds in the 1890s. The home includes all the existing Furniture, Art Collections, Rugs, Books, Window coverings, Grandfather Clock and a vintage Knabe art case player full size grand piano. SEE THE VIRTUAL TOUR!!!!
Listing agent: TAMMY WHITEHEAD DRE #01250615 tammy@husriverside.com, Listing office: HELP-U-SELL RIVERSIDE REALTY
MLS data updated 11/2/2026, 5:12:37 AM PT
Source: CRMLS, MLS #: IV18199034
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 5, 2018
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
No recordNo property-price record in this range.ZIP 92504 · Nov 2026
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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.