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Lake Mathews, CA

$2,100,000

16420 Rocky Glen Road, Lake Mathews, CA
5
Beds
7
Baths
5,326
Sq Ft
2006
Built
56
Days listed

About this home

Nestled within the prestigious Lake Mathews/Gavilan Hills community, this gated custom single-story estate is being offered for the very first time by its original owners. Thoughtfully designed with quality, comfort, and entertaining in mind, this exceptional property offers luxury, privacy, and endless possibilities across 4.89 fully fenced acres with no HOA. The main residence spans approximately 4,876 sqft and features 4 bedrooms, 5.5 bathrooms, plus a possible 5th bedroom or office with built-in Murphy bed. A detached casita/pool room with bathroom adds flexibility for guests or entertaining. Car enthusiasts will appreciate the impressive 7-car garage capacity, plus additional garage space attached to the ADU. The approximately 450 sqft ADU includes its own private 3-car garage. Upgrades throughout include two solar systems, 3 Enphase batteries, Generac 22kw backup generator, dual 5-ton AC units, zoned HVAC, Tesla wall charger, radiant barrier roofing, insulated garage doors, central vacuum system, intercom, built-in speakers, hard-wired alarm system, and Jeld-Wen aluminum windows and doors. The gourmet kitchen is designed for entertaining with built-in Thermador appliances, concrete countertops, butcher block island, Perlick beverage refrigerator with beer taps and keg storage, built-in ice maker, and climate-controlled wine room. A second Perlick refrigerator in the pool room enhances the seamless indoor-outdoor entertaining experience. Outdoor living is a true highlight with a sparkling pool and spa, expansive covered patios, basketball court, and breathtaking panoramic views. Two private electric gated entrances provide both security and convenience, while the fully usable acreage offers ample space for horses, RV parking, additional structures, or future expansion. The property also includes approved plans for an additional 2,532 sqft home with a 1,088 sqft 3-car garage and separate septic system shared with the ADU, creating exceptional compound potential. Additional highlights include 3 fireplaces, including a Napoleon NZ6000 wood-burning fireplace with blower, custom window coverings throughout, owned propane tanks servicing the pool and back house, and extensive built-in infrastructure designed for comfort, efficiency, and long-term reliability. Zoned RA5 Residential Agricultural, this truly rare estate combines luxury living, privacy, and future potential in one extraordinary property.

Facts & features

Interior
Bedrooms
5
Bathrooms
6 full, 1 half
Living area
5,326 sq ft
Interior features
Beamed Ceilings, Built In Features, Breakfast Area, Ceiling Fans, Cathedral Ceilings, Central Vacuum, Separate Formal Dining Room, Eat In Kitchen, Granite Counters, High Ceilings, Intercom, Open Floorplan, Pantry, Pull Down Attic Stairs, Recessed Lighting, Storage, Smart Home, Bar, All Bedrooms Down, Dressing Area, Galley Kitchen
Appliances
Six Burner Stove, Built In Range, Convection Oven, Double Oven, Dishwasher, Disposal, Microwave
Flooring
Tile, Wood
Fireplace
Family Room, Gas, Living Room, Primary Bedroom, Wood Burning
Heating
Central
Cooling
Central Air
Laundry
Inside, Laundry Room
Levels
One
Spa
Heated, Private
Exterior & lot
Lot size
4.89 acres (213,008 sq ft)
Pool
Heated, Private
View
Mountains
Architectural style
Ranch
Year built
2006
Parking
Direct Access, Driveway, Garage, Gated, Oversized, Storage
Parking spaces
10
Community
Area
252 - Riverside
County
Riverside
Community features
Rural
Listing details
Status
Active
Property type
Single Family Residence
Days on market
56
Listed
2026-05-28
Original price
$2,300,000
Terms
Submit
Parcel #
289350021
MLS #
IG26099205
Listed by
Lisa Erdelji · Keller Williams Realty

Location

Price history

Listed
$2,300,000 · 2026-05-28
Price reduced
$2,100,000 (−$200,000)
Days on market
56
Current price
$2,100,000
Financing

Could this home be yours?

Estimated monthly payment
$13,174
$10,619 principal & interest · $2,555 taxes & insurance
$420,000
Estimate only
Loan $1,680,000

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Listing data provided by CRMLS

Listing courtesy of Keller Williams Realty. © 2026. The multiple listing data appearing on this website is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the consumer may be interested in purchasing. All data, including but not limited to all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. The listing broker's offer of compensation is made only to participants of the MLS where the listing is filed. Last updated July 26, 2026 Equal Housing Opportunity.

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