16420 Rocky Glen Road
Lake Mathews, CA 92570
Listing broker / agent: Keller Williams Realty · Lisa Erdelji · 951-237-1367 · CRMLS
MLS # IG26099205 · Last checked Oct 19, 2026 05:21 UTC
About this property
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.
Property details
- MLS number
- IG26099205
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 5 Beds • 7 Baths
- Living area
- 5,326 Sq Ft
- Lot size
- 4.89 acres
- County
- Riverside
- Year built
- 2006
- Stories
- 1
More property detailsCollapse
Listing
- Days on market
- 127
Building
- Year built
- 2006
- Year built source
- Assessor
- Architectural style
- Ranch
- Stories
- 1
- Building stories
- 1
- Levels
- One
- Entry level
- 1
- Roof
- Tile
- Condition
- Turnkey
- Living area source
- Owner
Bathrooms
- Full bathrooms
- 6
- Half bathrooms
- 1
Rooms & interior
- Main-level bedrooms
- 5
- Main-level bathrooms
- 7
- Rooms
- Bathroom, Bedroom, Den, Entry Foyer, Family Room, Game Room, Guest Quarters, Great Room, Kitchen, Laundry, Living Room, Primary Bedroom, Office, Other, Pantry, Retreat, Utility Room, Wine Cellar, Dining Room
- Appliances
- Six Burner Stove, Built In Range, Convection Oven, Double Oven, Dishwasher, Disposal, Microwave
- 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
- Flooring
- Tile, Wood
- Heating
- Central
- Cooling
- Central Air
- Fireplace
- Family Room, Gas, Living Room, Primary Bedroom, Wood Burning
- Laundry
- Inside, Laundry Room
Exterior & parking
- Total parking spaces
- 10
- Garage spaces
- 10
- Parking
- Direct Access, Driveway, Garage, Gated, Oversized, Storage
- Attached garage
- Yes
- Pool
- Heated, Private
- Spa
- Heated, Private
- Patio / porch
- Concrete, Covered, Deck
- Lot features
- Two To Five Units Acre, Ranch
- Lot size source
- Assessor
- Fencing
- Chain Link, Vinyl, Wood, Wrought Iron
- Property outlook
- Mountains
Utilities & community
- Water
- Public
- Sewer
- Septic Type Unknown
- Utilities
- Propane
- Community features
- Rural
Fees & lease terms
- Association
- No
- Association fee
- $0.00
Schools reported in the listing
- High school district
- Perris Union High
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Vista Lago Global Academy (school website, opens in a new tab) Riverside County Office of Education · Lake Elsinore | K–12 | 4.9 mi |
| Luiseno Lake Elsinore Unified · Corona | K–8 | 4.9 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $2,100,000
- MLS-reported original asking price
- $2,300,000
- MLS-reported previous asking price
- $2,300,000
- MLS-reported last price change
- 2026-07-01 16:39 UTC
| Observed (UTC) | Asking price |
|---|---|
| Oct 2, 2026 05:33 | $2,100,000 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in Lake Mathews
Active residential homes for sale in Lake Mathews, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
1 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-19 05:34 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
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Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
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