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Discover 434 S. Windsor by QUIGG, a rare opportunity to own a prime Windsor Square residence that has been newly crafted from top to bottom with unprecedented detail. This impressive three-story residence boasts six bedrooms, six bathrooms, one powder room, formal living room, expansive chef's kitchen, butler pantry, family room and library. The generous master suite opens with a spacious vestibule leading to his-and-her walk-in closets and en-suite bathroom. Ideal for entertaining, the lower level features a grand wine cellar, theater with wet bar, fitness room and its own private garden courtyard. The residence sits on an expansive lot complete with an overheight three-car garage (allows for car stackers) and spectacular pool with hot tub.
Listing agent: Tina Huang DRE #01987612 tina@quigg.com, Listing office: Quigg Realty, Inc.
MLS data updated 10/31/2026, 1:14:32 PM PT
Source: CRMLS, MLS #: 16133552
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Oct 20, 2016
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 90020 · 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.