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16420 Rocky Glen Road, Lake Mathews, CA 92570

$2.1M5bd · 7ba · 5,326 sqft
Lot 213,008 sqft•Single Family Residence•
Active
•137d on market•MLS# IG-26099205

Property Description

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.

Features & Amenities

FeeBuilt 2006

Property Details

Land Type
Fee
Year Built
2006
Property Type
Residential
Property Subtype
Single Family Residence
Parking Spaces
10
Garage Spaces
10
Heating
Central
Cooling
Central Air
View
Mountain(s)
Flooring
Tile, Wood
Roof
Tile
City
Lake Mathews
Zip Code
92570
County
Riverside
Listed byKeller Williams Realty, Lisa Erdelji

Mortgage Calculator

Current Rates

$
$
%
Monthly Payment
$10,618.74
Principal & Interest
Loan Amount
$1,680,000
Total Interest
$2,142,747
Total Payment Over 30 Years
$3,822,747
This calculator provides estimates only. Actual mortgage payments may include taxes, insurance, HOA fees, and PMI. Contact a lender for accurate quotes.

Comparative Market Analysis

Luxury Tier · 1 active · 0 closed

16420 Rocky Glen Road, Lake Mathews, CA 92570

Lake Mathews · Single Family Residence

$2.1M
Luxury Tier
Beds
5
Baths
7
Sqft
5,326
Lot
4.89 ac
Year
2006
$/Sqft
$394
Pool: Yes✓
Spa: Yes✓
View: mountain✓
Garage: 10-car✓

Luxury tier — fewer comparable sales widen the confidence range.

Price Position

Positioned above the market — commands a premium.

Premium
Subject listed at $2.10M· $394/sqft
Total list price
Closed compsinsufficient comp data
Active comps
vs active median $1.20M
+$901K (+75.1%)
Price per sqft
Closed compsinsufficient comp data
Active comps
vs active avg $/sqft $218
+$176 (+80.7%)

Active Properties (1)

Active Comparables

AddressCityYearBDBTHSqFtLotSzLP/SqFtLPDIMScore
22125 Post RoadPerris19901075,508399,881$218$1.20M7945
Total: 1 · Average10.07.05,508399,881$218$1.20M79
Median5,508$1.20M
AI-generated CMA

This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.