16420 Rocky Glen Road, Lake Mathews, CA 92570 (MLS # IG26099205)

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PRICE $2,100,000 dsIDX morgage calculator
BEDS 5
BATHS 6.5
HOME SIZE 5,326 sqft
LOT SIZE 4.89 ac

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.

DAYS ON MARKET 123 LAST UPDATED 7/1/2026
YEAR BUILT 2006 COMMUNITY 252 - Riverside
GARAGE SPACES 10.0 COUNTY Riverside
STATUS Active PROPERTY TYPE(S) Single Family

PRICE HISTORY
Prior to Jul 1, '26 $2,300,000
Jul 1, '26 - Today $2,100,000


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
APPLIANCES Built-In Range, Convection Oven, Dishwasher, Disposal, Double Oven, Microwave
AREA 252 - Riverside
FIREPLACE Yes
GARAGE Attached Garage, Yes
HEAT Central
INTERIOR Bar, Beamed Ceilings, Built-in Features, Cathedral Ceiling(s), Ceiling Fan(s), Central Vacuum, Eat-in Kitchen, Granite Counters, High Ceilings, Open Floorplan, Pantry, Recessed Lighting, Smart Home, Storage
LOT 4.89 acre(s)
LOT DIMENSIONS 213008
PARKING Attached, Direct Access, Driveway, Garage, Gated, Oversized, Storage
POOL Yes
POOL DESCRIPTION Private, Heated
SEWER Septic Tank
STORIES 1
STYLE Ranch
UTILITIES Propane
VIEW Yes
VIEW DESCRIPTION Mountain(s)
WATER Public
MORTGAGE CALCULATOR
   

TOTAL MONTHLY PAYMENT

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Listed with Keller Williams Realty

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 9/27/26 7:27 PM PDT and /or other sources. All data, including 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

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