255 W 21st St , Upland, CA 91784
$3,850,000
Est. Payment: $19,976.82/mo
4 Bed
6 Bath
7459 Sqft
2.72 Acres
Status: active | Days on site: 2
Get Pre-Qualified
51535 - C18611
By proceeding and clicking the sign up button, you consent to receive calls and texts (SMS/MMS) including marketing and promotional communications, from Chris Heller, its affiliates, and agents or vendors acting on their behalf. These communications may be delivered using an automatic telephone dialing system or by using an artificial or prerecorded voice. Message and data rates may apply. To opt out of text messages, reply STOP. Your consent is not required as a condition of any purchase. By continuing, you also agree to our Terms of Use and Privacy Policy.

House Description

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.

Highlights

Listed by Donald Mowery , 909-981-6677 EXP REALTY OF CALIFORNIA INC , 888-584-9427. CRMLS/Multi-Regional MLS mls logo

Property Type

Residential

Lot/Acreage
2.72

Year Built

2023

County

San Bernardino

Area

690 - Upland

School District

Upland

Listing ID

CV26232076

Questions about this listing?

Contact Agent

Interior Features

Bedrooms and Bathrooms
  • ▪ Bedrooms:4
  • ▪ Bathrooms:6
  • ▪ Full Bathrooms:4
  • ▪ 1/2 Bathrooms:2
Appliances:Dishwasher, Disposal
Air Cond:Central Air,Electric
Fireplaces:Bonus Room,Living Room
Floor:Carpet,Concrete,Laminate
Other:
  • ▪ Additional:Breakfast Bar, Built-in Features, Breakfast Area, Separate/Formal Dining Room, Granite Counters, High Ceilings, Pantry, Recessed Lighting, Entrance Foyer, Primary Suite, Walk-In Pantry, Walk-In Closet(s)
Water:Private

Exterior Features

Lot:Lot Over 40000 Sqft,No Landscaping,No Land Lease
Garage Capacity:13
Zoning:RS-20
Roof:Spanish Tile
Others:
  • ▪ Additional:Cement Siding, Drywall, Frame, Glass, Concrete
Sewer:Public Sewer
Parking Features:Concrete,Direct Access,Driveway,Garage,RV Garage,RV Hook-Ups,Garage Faces Side
Principal Interest
$19,977
Taxes
$2,454

Home Price

$3,850,000

Loan Details

30 yrs
6.75%

Down Payment

20%
$770,000
All calculations are estimates and provided by Blueroof360. Today’s Rates provided by Blueroof360. Information and interactive calculators are made available to you only as self-help tools for your independent use and are not intended to provide investment or tax advice. We cannot and do not guarantee their applicability or accuracy in regards to your individual circumstances. All examples are hypothetical and are for illustrative purposes. We encourage you to seek personalized advice from qualified professionals regarding all personal finance issues.
Monthly Price:
$19,976.82

Principal

Taxes

Principal Taxes HOA Total
Monthly $19,976.82 $2,454.38 $0.00 $22,431.20
Yearly $239,721.86 $29,452.50 $0.00 $269,174.36
Total $7,191,655.69 $883,575.00 $0.00 $8,075,230.69

Today's Rates

30 Year

6.75%

20 Year

6.86%

15 Year

6.24%

Never Miss a Property

Be the first to know when a property hits the market.

Current Listings

Last 30 Days
N/A
Nov 2026

Average Price

All Price Ranges
N/A
Nov 2026

Average Days on Market

All Price Ranges
N/A
Nov 2026
Market insight data is pulled from the same city as the listing being viewed (Upland, CA).

The schools listed are within a 2-mile radius of the property; however, attendance is not guaranteed. Please contact the local school district to confirm zoning and enrollment options.

Based on information from California Regional Multiple Listing Service, Inc. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. All properties are subject to prior sale, change or withdrawal.

IDX service by Blueroof 360

Data last updated: 2026-11-07T23:34:32.000Z

© 2026 CRMLS/Multi-Regional MLS

MLS Logo - CRMLS/Multi-Regional MLS