19950 Onaknoll Lake Mathews, CA 92570
Listing Courtesy of: CRMLS / Listed By: Anthony Lauria, Abundance Real Estate - Contact:  951-239-5460

  19950 Onaknoll Lake Mathews, CA 92570

Coming Soon (1 Days)
$1,590,000 (USD)
4
BED
5
BATH
3,110
SQFT

Description

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, 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.

MLS #:
SW26146463
Lot Size
2.29 acres
Type
Single-Family Home
Year Built
1960
Views
Panoramic, Hills, Pool, Lake, Mountain(s)
School District
Corona-Norco Unified
County
Riverside County

Listed By

Anthony Lauria, Abundance Real Estate, Contact: 951-239-5460
Source
CRMLS
Last checked Jul 8 2026 at 7:22 AM GMT+0000
Bathroom Details
  • Full Bathrooms: 4
  • Half Bathroom: 1
Interior Features
  • Tankless Water Heater
  • Loft
  • Beamed Ceilings
  • Ceiling Fan(s)
  • Microwave
  • Refrigerator
  • Laundry: Stacked
  • Range Hood
  • Windows: Double Pane Windows
  • Quartz Counters
  • Gas Range
  • Walk-In Closet(s)
  • Main Level Primary
  • Separate/Formal Dining Room
Lot Information
  • Sprinklers In Front
  • Sprinkler System
Property Features
  • Fireplace: Den
  • Fireplace: Dining Room
Heating and Cooling
  • Propane
  • Central
  • Fireplace(s)
  • Central Air
  • Wall/Window Unit(s)
Pool Information
  • Private
  • In Ground
  • Solar Heat
  • Electric Heat
Flooring
  • Tile
Utility Information
  • Utilities: Water Source: Public
  • Sewer: Septic Tank
School Information
  • Elementary School: Woodrow Wilson
  • High School: Santiago
Stories
  • 1
Living Area
  • 3,110 sqft
Additional Information: Abundance Real Estate | 951-239-5460
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Disclaimer: Based on information from California Regional Multiple Listing Service, Inc. as of {7/8/26 00:22} and /or other sources. Display of MLS data is deemed reliable but is not guaranteed accurate by the MLS. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. The information being provided by Conejo Simi Moorpark Association of REALTORS® (“CSMAR”) is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange (“IDX”) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable.