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Welcome to 3100 Garretson Avenue, a striking Mountain Modern estate set on a flat one-acre parcel in prestigious South Corona. Blending clean architectural lines with warm natural materials, this brand-new construction 5,518 sq ft residence offers modern design, volume and livable luxury. Soaring 12-foot ceilings throughout and dramatic 22-foot vaulted ceilings in the main living areas and primary suite create an immediate wow factor. Oversized 10-foot doors and expansive Pella windows flood the home with natural light and seamlessly connect indoor and outdoor living. The home features 5 bedrooms, 4.5 bathrooms, an office and a thoughtfully designed layout built for both everyday living and entertaining. Interior finishes include herringbone French oak flooring with brass inlay, custom rift white oak cabinetry and a refined mix of limestone, marble and onyx surfaces throughout. At the center of the home, the open-concept great room is anchored by a 72-inch linear fireplace wrapped in Casablanca rough-cut stone, adding warmth and architectural texture to the space. The chef's kitchen is designed for both function and style, featuring built-in luxury Fisher and Paykel appliances, dual dishwashers, an oversized island and a full butler's pantry. Bar & lounge area with sink, refrigerator and dishwasher makes entertaining effortless. The primary suite is a true retreat with vaulted ceilings, a see-through stone fireplace and a private bonus room ideal for a gym, lounge or additional office. The spa-inspired bath includes a steam shower with digital Kohler controls, soaking tub, and direct outdoor access. Closets are delivered unfinished, allowing for fully customized built-in systems designed to the buyer's exact specifications and storage needs. Additional features include multiple covered California-style patios, multi-zone high-efficiency HVAC, whole-house fan, tankless water system, EV charging and integrated audio and security systems. The expansive grounds offer a rare opportunity to create a true resort-style outdoor living experience, with space for a custom pool, guest house, sport court or fully customized entertaining areas. Car enthusiasts will appreciate the oversized three-car garage plus an approximately 2,000 sq ft detached RV garage, providing exceptional space for vehicles, storage or a private collection. This is an experience that must be felt to be fully appreciated. Private showings available by appointment.
Property Type(s):
Single Family
| Last Updated | 5/5/2026 | Tract | Mountain Gate |
|---|---|---|---|
| Year Built | 2026 | Community | 248 - Corona |
| Garage Spaces | 9.0 | County | Riverside |
Additional Details
| AIR | Attic Fan, Central Air, ENERGY STAR Qualified Equipment, Heat Pump, Whole House Fan |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Built-In Range, Convection Oven, Dishwasher, Disposal, Double Oven, Electric Range, Electric Water Heater, ENERGY STAR Qualified Appliances, ENERGY STAR Qualified Water Heater, Gas Range, Ice Maker, Trash Compactor, Water Heater, Water Purifier, Water Softener |
| AREA | 248 - Corona |
| CONSTRUCTION | Ducts Professionally Air-Sealed, Spray Foam Insulation, Stone, Stucco |
| EXTERIOR | Barbecue |
| FIREPLACE | Yes |
| GARAGE | Attached Garage, Yes |
| HEAT | Central, ENERGY STAR Qualified Equipment, Heat Pump |
| INTERIOR | Bar, Beamed Ceilings, Breakfast Bar, Cathedral Ceiling(s), Ceiling Fan(s), High Ceilings, Master Downstairs, Recessed Lighting, Storage, Walk-In Closet(s), Wet Bar, Wired for Data, Wired for Sound |
| LOT | 1 acre(s) |
| LOT DESCRIPTION | Corner Lot, Front Yard, Rectangular Lot |
| LOT DIMENSIONS | 43560 |
| PARKING | Attached, Circular Driveway, Concrete, Direct Access, Driveway, Garage Faces Front, Garage, Garage Door Opener, Oversized, RV Garage, RV Access/Parking, Garage Faces Side, Tandem |
| POOL DESCRIPTION | None |
| SEWER | Public Sewer |
| STORIES | 2 |
| STYLE | Modern, Ranch |
| SUBDIVISION | Mountain Gate |
| VIEW | Yes |
| VIEW DESCRIPTION | City Lights, Mountain(s) |
| WATER | Public |
Location
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Listed with Douglas Elliman of California
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 but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals. The data contained herein is copyrighted by CSMAR and is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited.
This IDX solution is (c) Diverse Solutions 2026.
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