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$3,850,000

ActiveNew
255 W 21st Street
Upland, CA 91784
Listed October 28, 2026
MLS# CV26232076
4
Bedrooms
6.0
Bathrooms
7,459
Sq Ft
$516
Price / Sq Ft
2023
Year Built
2.72 acres
Lot Size
3
Garage
About

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 pine trees. The expansive grounds provide an extraordinary canvas for a resort-style pool and spa, outdoor entertaining, gardens, and beautifully landscaped grounds. The true luxury is the freedom to make it your own. With nearly 10,000 square feet of combined living and versatile space, much of the foundation for an extraordinary estate is already in place. Complete the residence with your preferred finishes and create a one-of-a-kind sanctuary designed around your lifestyle.

Details
Property TypeRES
StyleMediterranean
Stories1
Living Area7,459 sqft
Price per Sq Ft$516/sqft
Lot Size2.72 acres
Year Built2023
Garage Spaces3
CoolingElectric,Central Air
HeatingNatural Gas,Forced Air,Central
PoolNone
Location

255 W 21st Street

Mortgage Calculator
$25,591per month
Principal & Interest
$19,977
Property Tax
$4,010
Insurance
$1,604
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≈ 1.25% of home value

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Loan Amount$3,080,000
Down Payment$770,000
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Estimates only. Actual rates and payments may vary. Contact Alex for personalized guidance.

Your Agent
Alex Duarte
The Duarte Group
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255 W 21st Street | $3,850,000 | TDG Sells