19950 Onaknoll, Lake Mathews, California 92570, Lake Mathews, 92570 - 4 bed, 5 bath
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Lake Mathews, California 92570
This Resort-Style Estate is a High-Potential Investment Opportunity, listed at $1,590,000—positioned well above the $1,494,759 Fair Market Value by -6%. Featuring a Mint Condition Rating, this property offers a 3,100 sq. ft. main residence, a detached ADU, and an 80,000-gallon pool on 2.29 acres. With its panoramic lake views and massive workshop space, it provides unique versatility for short-term rentals or multigenerational living. This is an ideal acquisition for Buy-and-Hold Investors or Owner-Occupants seeking a luxury retreat with income-generating potential.
Comparables within 1 miles sold in recently
| Address | Sold Price | Beds | Baths | Sq Ft | $/Sqft | Distance |
|---|---|---|---|---|---|---|
★ 19950 Onaknoll Subject | $1,590,000* List Price | 4 | 5 | 3,110 | $481 | - |
A 14260 Grande Vista Avenue Sold | $1,249,000 | 4 | 3 | 2,718 | $460 | 0.3 mi |
B 20881 Mandeville Active | $1,695,000 List Price | 5 | 3 | 4,030 | $421 | 0.5 mi |
* Subject property listed price vs sold prices of comps.
Property is new construction or fully renovated.
While originally built in 1960, the property has undergone a comprehensive, high-end renovation within the last 5 years. The interior features a modern chef's kitchen with quartz countertops and premium appliances, fully remodeled spa-like bathrooms, and updated systems including a Tesla EV charger and a resort-style pool complex, placing it in mint condition.
The property has a large lot size, which is more than 4 times of its living area. lot size in square feet = 99752, living area = 3110.
The property features an extraordinary 80,000-gallon pool, luxury pavilion with a fireplace, and breathtaking panoramic views of Lake Mathews, offering a premier entertainment experience.
With a detached 550 sq. ft. ADU and a massive 20' x 70' workshop, the estate provides exceptional flexibility for multigenerational living, rental income, or extensive hobbyist storage.
Living area discrepancy between mls listing and other public or private record. mls listing living area = 3110, other record living area = 2085. Bedroom count discrepancy between mls listing and other public or private record. mls listing bedroom count = 4, other record bedroom count = 3.
Situated in a rural area, the property is a significant distance from schools and major commercial hubs, with the nearest middle school nearly 7 miles away.
Despite extensive remodeling, the original 1960 construction may present challenges related to older foundational elements or utility systems common in homes of this era.
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.
No exterior & parking available.
Grades K-6 • 7.7 mi
Grades K-6 • 13.6 mi
Grades 6-8 • 7.0 mi
No sensitive facilities data found.
| Feature | Subject | Average Home |
|---|---|---|
| Beds | 4.0 | 0.0 |
| Baths | 5.0 | 0.0 |
| Square foot | 3,110 | - |
| Lot Size | 99,752 | - |
| Price | $1.59M | $1.01M |
| Price per sq ft | $511 | $409 |
| Built year | 1960 | 0 |
| HOA | $0 | $0 |
| Days on market | 14 | 98 |
Jul 8, 2026
$1,590,000
Initial Listing
Sep 29, 2009
$180,000
Public Record
Nov 16, 2005
$480,000
Public Record