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$1,590,000
22 Days On Site

19950 Onaknoll
Lake Mathews, CA 92570

For Sale|Single Family Residence|Active
4
Beds
5
Total Baths
4
Full Baths
1
Partial Bath
3,110
SqFt
$511
/SqFt
1960
Built
County:
Riverside
Listed by Anthony Lauria of Abundance Real Estate (951) 239-5460
Call Now: (408) 868-2620
Is this the listing for you? We can help make it yours.
(408) 868-2620
19950 Onaknoll19950 Onaknoll19950 Onaknoll19950 Onaknoll
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A true private resort unlike anything available in Lake Mathews! Situated on 2.29 acres on one of the area's premier view lots with breathtaking panoramic views of Lake Mathews, this extraordinary estate features an approx. 2,560 sq. ft. 3-bedroom plus office/den main residence and an approx. 550 sq. ft. detached ADU/guest house, offering over 3,100 sq. ft. of combined living space. The remodeled interior showcases vaulted ceilings with exposed wood beams, a chef's kitchen with custom shaker cabinetry, quartz countertops, oversized island, premium stainless steel appliances, professional-grade gas range, designer hood, remodeled laundry room, and a spa-inspired primary bath with a custom walk-in tile shower and frameless glass enclosure. The detached ADU/guest house includes a bedroom, full bath, and kitchenette, making it ideal for multigenerational living, guest accommodations, rental income, or potential Airbnb use. The backyard is an entertainer's dream, highlighted by an approx. 80,000-gallon resort-style pool with an oversized elevated spa, waterfalls, Baja shelves, tanning ledges, illuminated water features, and dramatic fire bowls. The covered pavilion features a grand fireplace, built-in TV, refrigerator, serving bar, and lounge area overlooking the pool and lake. A custom BBQ station, multiple pergolas, covered outdoor dining, lake-view fire pit lounge, private courtyard with water feature, lush lawns, mature landscaping, walking paths, and a custom playground complete this incredible outdoor retreat. An approx. 20' x 70' detached workshop with gated access provides covered space for RVs, boats, collector cars, equipment, hobbies, or a home business. A second workshop, paid solar, Tesla EV charger, expansive concrete parking, and approx. one acre of flat usable land offer endless possibilities for toys, additional structures, equestrian amenities, or another ADU. Located in unincorporated Riverside County, this unique property offers potential for a short-term vacation rental (Airbnb), private retreats, reunions, and special events. Rarely does a property combine panoramic lake views, a detached ADU, resort-style amenities, massive workshop space, usable acreage, and unmatched entertaining into one unforgettable estate.

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Listing Snapshot
Price 
$1,590,000
Days On Site 
22 Days
Bedrooms 
4
Inside Area (SqFt) 
3,110 sqft
Total Baths 
5
Full Baths 
4
Partial Baths 
1
Lot Size 
2.29 Acres
Year Built 
1960
MLS® Number 
SW26146463
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
a week agoListing updated with changes from the MLS®
3 weeks agoStatus changed to Active
3 weeks agoListing first seen on site
General Features
Garage 
Yes
Garage Spaces 
2
Number Of Stories 
1
Parking Spaces 
9
Property Sub Type 
Single Family Residence
Sewer 
Septic Tank
Special Circumstances 
Standard
SqFt Total 
3110
Water Source 
Public
Interior Features
Appliances 
Gas RangeMicrowaveRefrigeratorTankless Water Heater
Cooling 
Wall/Window Unit(s)Central Air
Fireplace 
Yes
Fireplace Features 
DenDining Room
Flooring 
Tile
Heating 
Fireplace(s)Forced AirPropane
Spa 
Yes
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Exterior Features
Fencing 
Vinyl
Patio And Porch 
Patio
Pool Features 
PrivateSolar HeatIn Ground
Private Pool 
Yes
Spa 
Yes
Spa Features 
Private
View 
PanoramicPoolMountain(s)
Waterview 
PanoramicPoolMountain(s)
Community Features
Financing Terms Available 
CashConventionalVA Loan
Listed by Anthony Lauria of Abundance Real Estate (951) 239-5460



This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g. square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego MLS®. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright. Copyright © 2026 San Diego MLS®.

Last checked 2026

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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