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This is a unique opportunity to possess a Mid-Century Modern landmark designed by Master Architect Clare Henry Day, FAIA. The Marcum II house, often referred to as “the Treehouse on Sunset” is accessible by a pedestrian bridge from Sunset and secondary access at Valle Vista. Sitting under a canopy of jacaranda on over an acre of land, this legacy home optimizes one of the best views in Redlands. The open floor plan, features a living room with a two-sided corner fireplace, and floor-to-ceiling windows, leading to the outdoor terrace stretching across the entire north elevation. A separate open-plan dining room, two bedrooms, two bathrooms, a kitchen with an original Nu-tone food processor, custom cabinetry, and a unique pantry. Inside separate laundry room/craft room. The master bedroom focuses on the mountain view and has access to the full-elevation balcony. The bed wall is defined by historic wood paneling; a dressing room has new full-height closet systems that lead to the master bath. The bathroom that was recently remodeled features the original step-down Roman bath and floor-to-ceiling glazing, which creates a feeling of outdoor space. The second bedroom is equipped with a similar closet system and French doors that lead to a private balcony. The lower story is accessed by a spiral stair from the living room, and can also be accessed via outdoor stairs. The family room provides a large open space with glazing walls, a paver seating area, and a slider window. There is a separate approx., 400-square-foot room that isn't part of the home's square footage, but it includes a full bath and a large storage area. Steps lead downslope at the north to the avocado grove, horse corral, horse feeder, and garage. The property is of adequate size for a lot split or can incorporate extensive storage for “toys”, or the addition of an ADU. Opportunity awaits!
Listing agent: Brooks Bailey DRE #01892672 brooksbaileyhomes@gmail.com, Listing office: Real Broker
MLS data updated 10/21/2026, 9:26:12 PM PT
Source: CRMLS, MLS #: OC23221022
Belmont insights
Compare recorded home prices, same-type ZIP sales and mortgage rates.
Jan 11, 2024
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
$1,055,000Closed sale · Jan 11, 2024ZIP 92373 · Jan 2024
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.