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!
Property Details
Price:
$1,725,000
MLS #:
CV26142275
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
689sandimas
Listed Date:
Jul 3, 2026
Finished Sq Ft:
3,239
Lot Size:
105,072 sqft / 2.41 acres (approx)
Year Built:
1984
See this Listing
Schools
School District:
San Dimas
Interior
Appliances
DW, GD, MW, ES, BIR
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Flooring
TILE, LAM
Heating
CF
Interior Features
CF, CC
Laundry Features
IR, WH
Levels
U
Main Level Bathrooms
2
Main Level Bedrooms
1
Exterior
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, SL, MTN, PARK, HIKI
Garage Spaces
3
Other Structures
GZ, SH
Parking Spots
3
Parking Total
3
Patio And Porch Features
CO
Roof
TLE
Security Features
SD, COD
Spa Features
NO
View
MT, PA, PK, TW
Window Features
TIN, SCR
Financial
Map
Community
- Address1737 Gainsborough RD San Dimas CA
- CitySan Dimas
- CountyLos Angeles
- Zip Code91773
Market Summary
Current real estate data for Single Family in San Dimas as of Jul 08, 2026
107
Single Family Listed
59
Avg DOM
529
Avg $ / SqFt
$890,683
Avg List Price
Property Summary
- 1737 Gainsborough RD San Dimas CA is a Single Family for sale in San Dimas, CA, 91773. It is listed for $1,725,000 and features 4 beds, 4 baths, and has approximately 3,239 square feet of living space, and was originally constructed in 1984. The current price per square foot is $533. The average price per square foot for Single Family listings in San Dimas is $529. The average listing price for Single Family in San Dimas is $890,683.
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1737 Gainsborough RD
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