Custom and Impressive home with a detached ADU! Only steps away from Laguna Lake in the highly sought-after community of Sunny Hills Estates, this exceptional custom residence offers an impressive combination of sophistication, comfort, and resort-style living. Beautifully updated throughout, the home spans approximately 2,928 square feet and includes a highly desirable private studio ADU featuring its own entrance, full kitchen, bathroom, and laundry hookups — ideal for guests or extended family. From the moment you arrive, the gated entrance, expansive driveway, and striking architectural presence create a true sense of exclusivity. Inside, the home showcases refined finishes including rich hardwood flooring, elegant custom moldings, recessed lighting, and expansive windows that flood the interiors with natural light while capturing peaceful hillside and treetop views. Designed with entertaining in mind, the spacious main living area features soaring open-beam ceilings and a seamless flow into the gourmet kitchen, complete with premium stainless steel appliances, granite countertops, custom cabinetry, and an oversized island perfect for gathering. Multiple living and dining spaces create an inviting atmosphere that balances warmth with modern luxury. The primary suite offers a private retreat with spa-like amenities including a beautifully upgraded bathroom, soaking tub, walk-in closet, and direct access to the backyard. Outdoors, the property transforms into a true entertainer’s paradise. The completely renovated resort-style pool features a Baja shelf, tranquil water feature, and surrounding lounge areas anchored by a stylish fire pit designed for relaxing evenings and unforgettable gatherings. A fully equipped cabana elevates the experience even further with its own outdoor kitchen, television area, and private bathroom, creating the ultimate year-round entertainment space. Blending luxury with efficiency, the property is also equipped with a high-powered solar energy system paired with a backup battery, offering enhanced energy independence, long-term savings, and added convenience for modern living. Additional highlights include dual-zone HVAC systems, energy-efficient dual-pane windows and doors, en suite bathrooms throughout, and ample space for RV parking. Located within the award-winning Sunny Hills High School boundaries, this remarkable home delivers luxury living in one of the area’s most desirable neighborhoods. Tour this lovely home today!
Property Details
Price:
$2,399,000
MLS #:
DW26180053
Status:
Active
Beds:
5
Baths:
5.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Sunny Hills SUNH
Neighborhood:
83fullerton
Listed Date:
Aug 17, 2026
Finished Sq Ft:
2,928
Lot Size:
25,728 sqft / 0.59 acres (approx)
Year Built:
1954
See this Listing
Schools
School District:
Fullerton Joint Union High
High School:
Sunny Hills
Interior
Appliances
Dishwasher
Bathrooms
5 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Heating
Central
Interior Features
Living Room Balcony, Pantry, Recessed Lighting, Storage, In-Law Floorplan
Laundry Features
Laundry Closet, Stackable
Levels
One
Main Level Bathrooms
5
Main Level Bedrooms
4
Exterior
Attached Garage YN
1
Common Walls
No Common Walls
Community Features
Fishing, Lake, Street Lights, Park
Covered Spaces
2
Garage Spaces
2
Lot Features
Gentle Sloping, Back Yard, Lot 20000-39999 Sqft, Up Slope from Street
Open Parking YN
1
Parking Features
Driveway, RV Potential
Parking Spots
2
Parking Total
2
Stories
1
View
Neighborhood
Window Features
ENERGY STAR Qualified Windows
Financial
Map
Community
- Address520 W Hermosa Fullerton CA
- SubdivisionSunny Hills (SUNH)
- CityFullerton
- CountyOrange
- Zip Code92835
Subdivisions in Fullerton
- American Classics AMCL
- Casa Del Vista CSDV
- Chapman Villas CHPV
- Fairway Village FRVL
- Fullerton Creek Homes FUCH
- Fullerton Crest FUCR
- Fullerton Heights FULH
- Hidden Lakes HIDL
- Malvern Creek MLVC
- Park Ridge PRKR
- Park Vista PRKV
- Pines PINE
- Presidential Collection PRSC
- Quail Ridge QRDG
- Radcliffe RADC
- Sunny Hills SUNH
- Sunny Hills View Estates SHVE
- Sunny Ridge SURG
- University Villas UNIV
- Via Valencia VIAV
Market Summary
Current real estate data for Single Family in Fullerton as of Oct 24, 2026
116
Single Family Listed
51
Avg DOM
650
Avg $ / SqFt
$1,375,409
Avg List Price
Property Summary
- Located in the Sunny Hills (SUNH) subdivision, 520 W Hermosa Fullerton CA is a Single Family for sale in Fullerton, CA, 92835. It is listed for $2,399,000 and features 5 beds, 6 baths, and has approximately 2,928 square feet of living space, and was originally constructed in 1954. The current price per square foot is $819. The average price per square foot for Single Family listings in Fullerton is $650. The average listing price for Single Family in Fullerton is $1,375,409.
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520 W Hermosa
Fullerton, CA


