

520 W Hermosa, Fullerton, CA 92835
- 5 beds
- 6 baths
- 2,928 sq ft
- 0.59-acre lot
- Built 1954
Subdivision Sunny Hills
Open house
Open House
The home
About 520 W Hermosa
PRICED TO SELL! Impressive home with a detached ADU 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 for 520 W Hermosa
This 5-bedroom, 6-bath single-family home sits in the Sunny Hills neighborhood of Fullerton in Orange County. It offers 2,928 square feet of living space and is listed at $2,399,000, about $819 per square foot. The home was built in 1954. The MLS record lists the assessor parcel number as 292-361-21. Highlights include a private pool, single-story living, an attached two-car garage, a 0.59-acre lot, and central air. The detail sections on this page cover interior and exterior features, estimated taxes, HOA dues where they apply, and the map location.
Specifications
Home Details
At a glance
- Price
- $2,399,000
- Days On Site
- 47 Days
- Bedrooms
- 5
- Inside Area (SqFt)
- 2,928 sqft
- Total Baths
- 6
- Full Baths
- 5
- Partial Baths
- 1
- Lot Size
- 0.5906 Acres
- Year Built
- 1954
- MLS® Number
- DW26180053
- Status
- Active
- Property Tax
- N/A
- HOA/Condo/Coop Fees
- N/A
- Sq Ft Source
- Assessor
General Features
- Property Type
- Single Family Residence
- MLS Number
- DW26180053
- Year Built
- 1954
- Living Area (sq ft)
- 2,928
- Living Area Source
- Assessor
- Lot Size (sq ft)
- 25,728
- Lot Size (acres)
- 0.5906
- Levels
- One
- Bedrooms
- 5
- Full Baths
- 5
- Half Baths
- 1
- Garage Spaces
- 2
- Parking Spaces
- 2
- View
- Neighborhood
- Private Pool
- Yes
- Parcel Number
- 29236121
- On Market Date
- 2026-08-17
- Listing Terms
- Standard
Interior Features
- Interior Features
- Balcony, In Law Floorplan, Pantry, Recessed Lighting, Storage, Entrance Foyer, Walk In Closets
- Appliances
- Dishwasher
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- None
- Laundry
- Laundry Closet, Stacked
- Main Level Bedrooms
- 4
- Main Level Bathrooms
- 5
- Entry Level
- 1
- Common Walls
- No Common Walls
- Windows
- Energy Star Qualified Windows
- Rooms
- Other, Kitchen, Primary Bedroom, Guest Quarters, Foyer, Family Room, Den, Primary Bathroom
Exterior Features
- Lot Features
- Back Yard, Gentle Sloping, Sloped Up
- Parking
- Driveway, Rv Potential
- Pool Features
- In Ground, Pebble, Private, Waterfall
- Sewer
- Public Sewer
- Water
- Public
- Units
- 2
Community Features
- Subdivision
- Sunny Hills (SUNH)
- Community Features
- Fishing, Lake, Park, Street Lights
The record
Property History for 520 W Hermosa
| Date | Event | Price | Note |
|---|---|---|---|
| Aug 17, 2026 | Relisted | $2,470,000 |
Cost of ownership
Estimated monthly payment
7.03% · 30-yr fixedEstimate only, not a loan offer or quote. Principal and interest use the Freddie Mac 30-year fixed average of 7.03% (week of Sep 24, 2026); your rate will differ. A loan this size is typically a jumbo loan, which prices differently. Tax and insurance are modelled, not billed amounts; tax uses a typical Orange County rate. Verify all figures. Full assumptions and disclosures.
Next steps
Buying 520 W Hermosa
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Selling near 520 W Hermosa
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Schools
Schools for 520 W Hermosa
As listed in the MLS record. Confirm attendance boundaries with the school district.
- High
- Sunny Hills
- District
- Fullerton Joint Union High
Location
Location
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Listed by Jaime Garcia of Century 21 Allstars
Listing information updated Oct 1, 2026 at 1:48 PM PT. Source: CRMLS.
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. The 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, the 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.