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San Dimas, CA

$1,725,000

1737 Gainsborough Road, San Dimas, CA
4
Beds
4
Baths
3,239
Sq Ft
1984
Built
8
Days listed

About this home

Nestled in the highly desirable Walnut Creek area of San Dimas, this custom-built estate offers a rare combination of privacy, luxury, and breathtaking natural surroundings. Situated on a 38,703 sq.ft. lot (APN #8426-035-002) and including an additional 66,369 sq.ft. parcel (APN #8426-035-001), the property spans over 105,000 sq. ft. (approximately 2.41 acres), providing exceptional privacy, expansive outdoor space, and endless possibilities. The home features approximately 3,239 sq. ft. of living space with 4 bedrooms, 3.5 bathrooms, and a spacious upstairs bonus room ideal as a 5th bedroom, library, office, or media room. Interior highlights include a dramatic curved staircase, custom oak woodwork, leaded and stained-glass accents, soaring ceilings, extra-wide hallways, two fireplaces, built-in cabinetry, and a wet bar with wine storage. The generously sized kitchen is appointed with built-in appliances, abundant cabinetry, a walk-in pantry, and opens to the inviting family room. The primary suite features a spa-inspired bathroom with a soaking tub, separate shower, cedar-lined walk-in closet, additional closet space, and a wraparound balcony showcasing panoramic hillside and valley views. The expansive grounds are enhanced by mature fruit trees, lush landscaping, a park-like backyard, multiple outdoor entertaining areas, a covered patio, spacious side yards, RV parking, and a 3-car garage complete with a workbench and private restroom. The backyard overlooks scenic walking trails and open space adjacent to Walnut Creek Community Regional Park, creating a peaceful retreat surrounded by nature. Conveniently located near renowned schools, shopping, dining, and with easy access to the 10, 57, and 210 freeways. No HOA. A truly exceptional property offering privacy, stunning views, expansive acreage, and tremendous potential. The additional parcel enhances the estate's privacy while offering a rare opportunity for future appreciation and long-term investment value. Don't miss this extraordinary opportunity!

Facts & features

Interior
Bedrooms
4
Bathrooms
3 full, 1 half
Living area
3,239 sq ft
Interior features
Ceiling Fans, Cathedral Ceilings, Separate Formal Dining Room, Eat In Kitchen, Bedroom On Main Level, Primary Suite, Walk In Closets
Appliances
Built In Range, Dishwasher, Electric Cooktop, Disposal, Microwave
Flooring
Laminate, Tile
Fireplace
Family Room, Living Room
Heating
Central
Cooling
Central Air
Laundry
Washer Hookup, Laundry Room
Levels
Two
Spa
None
Exterior & lot
Lot size
2.412 acres (105,072 sq ft)
Pool
None
View
Park Greenbelt, Mountains, Panoramic, Trees Woods
Year built
1984
Parking
Direct Access, Driveway, Garage, Rv Access Parking
Parking spaces
3
Community
Area
689 - San Dimas
County
Los Angeles
Community features
Hiking, Mountainous, Park, Street Lights, Sidewalks
Listing details
Status
Active
Property type
Single Family Residence
Days on market
8
Listed
2026-07-03
Terms
Cash, Cash To New Loan
Parcel #
8426035002
MLS #
CV26142275
Listed by
Christine Kim · RE/MAX GALAXY

Location

Price history

Listed
$1,725,000 · 2026-07-03
Days on market
8
Current price
$1,725,000
Financing

Could this home be yours?

Estimated monthly payment
$10,821
$8,723 principal & interest · $2,099 taxes & insurance
$345,000
Estimate only
Loan $1,380,000

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Estimated value range nearby
$1,372,190$1,610,831

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Listing data provided by CRMLS

Listing courtesy of RE/MAX GALAXY. © 2026. The multiple listing data appearing on this website is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the consumer may be interested in purchasing. All data, including but not limited to all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. The listing broker's offer of compensation is made only to participants of the MLS where the listing is filed. Last updated July 26, 2026 Equal Housing Opportunity.

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