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Listed by EXP REALTY OF CALIFORNIA INC, Donald Mowery, Listing Contact: 909-981-6677 
4 Beds
6 Baths
7,459 sqft

$3,850,000

255 W 21st Street, Upland CA, 91784

Price per sqft$516.15
Built in2023
Property size7,459 sqft
Property typeResidential

Overview

Active

Listed Oct 28, 2026

Updated 2 days ago

A RARE OPPORTUNITY. AN EXTRAORDINARY ESTATE. THE FREEDOM TO BRING IT TO LIFE. Imagine owning nearly three acres in prestigious North Upland, nestled against the breathtaking San Gabriel Mountains, with the opportunity to create the luxury estate of your dreams! Situated on approximately 2.8 usable acres, this remarkable property offers exceptional privacy, architectural scale, and endless possibilities. The approximately 7,500-square-foot single-story residence features 4 bedrooms, 4 full bathrooms, 2 half bathrooms, soaring 14-foot ceilings, impressive 9.3-foot doors, and an oversized attached 3-car garage. Grand living spaces include a formal living room with fireplace, formal dining room, bar and wine room, spacious kitchen with breakfast area and pantry, and family room with fireplace. The private east wing features an executive office and expansive primary suite with fireplace, en suite bathroom, walk-in shower, soaking tub, dual walk-in closets, and private patio access. The west wing offers three spacious bedrooms, each with its own bathroom and walk-in closet. A separate structure includes an approximately 800-square-foot casita/guest unit with living area, kitchenette, bedroom, and bathroom; an additional 2-car garage; and an impressive 60-foot-deep RV garage with hookups. An approximately 1,350-square-foot upstairs loft offers incredible potential for a private theater, fitness studio, executive offices, or entertainment lounge. Additional features include remote-start fireplaces, fire sprinklers, a fire hydrant, insulated and sheathed walls, and eight redwood pin

$25,614/mo

Est. mortgage payment based on a $3,850,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
CV26232076

Interior Features

Bedrooms
4
Bathrooms
6
Fireplace
Yes
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
2.72 Acres

Other Property Details

Garage
Yes
View
Yes

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Data last updated 4:20 AM UTC, 10/31/2026

   

 

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