9620 Alto Dr
La Mesa, CA 91941
$1,595,000
Tucked away on Mt. Helix, this John Mortenson original was designed to integrate into the landscape, with a sweeping roofline, deep overhangs, and walls of glass framing the canyon beyond. Step inside and the space soars. The living room opens beneath a cathedral ceiling, with wall-to-wall windows and a commanding fireplace at its heart, flowing into the dining area and a beautifully remodeled, vaulted eat-in kitchen. Evenings are made for watching the sun drop over the western hills. The home offers 3 bedrooms, 3.5 tastefully remodeled baths, and approx. 2,800 sq ft. The primary suite is a true retreat, with canyon views and a private spa just steps away. Outside, the pool, sun deck, fire pit, and gazebo for alfresco dining set the stage for unforgettable gatherings, all wrapped in the privacy of lush, tranquil gardens. Paid-off solar, 2-car garage, RV parking, and total serenity. A mid-century design legacy you can’t recreate. Competitively priced. Schedule your private tour today!
| Listing Id: | 260024748 |
|---|---|
| List Price: | $1,595,000 |
| Property Type: | Residential |
| Property Sub Type: | Detached |
| Status: | Active |
| Bedrooms Total: | 3 |
| Bathrooms Full: | 3 |
| Bathrooms Half: | 1 |
| Living Area: | 2,495 |
| Association Fee: | $0 |
| Lot Size Square Feet: | 23,958.0 |
| Waterfront?: | No |
| City: | La Mesa |
| County Or Parish: | San Diego |
| Subdivision Name: | Mount Helix |
| Postal Code: | 91941 |
| Year Built: | 1963 |
| Appliances: | Other/Remarks |
| Basement: | false |
| Bathrooms Total Integer: | 4 |
| Building Area Total: | 2,495.0 |
| Building Area Units: | Sqft |
| Feed Types: | IDX |
| Construction Materials: | Wood, Other/Remarks |
| Cooling: | Central Forced Air |
| Fencing: | Full |
| Fireplace Features: | FP in Living Room |
| Fireplaces Total: | 1 |
| Garage Spaces: | 2.0 |
| Heating: | Forced Air Unit |
| Interior Features: | Ceiling Fan, Kitchen Island, Open Floor Plan, Remodeled Kitchen, Storage Space, Cathedral-Vaulted Ceiling, Kitchen Open to Family Rm |
| Laundry Features: | Gas |
| Levels: | 1 Story |
| Living Area Units: | Sqft |
| Lot Size Area: | 0.55 |
| Lot Size Units: | Acres |
| MLS Area Major: | East County |
| Parcel Number: | 496-100-54-00 |
| Parking Features: | Direct Garage Access |
| Patio And Porch Features: | Patio |
| Photos Change Timestamp: | 2026-10-13T17:02:55Z |
| Pool Features: | Private |
| Roof: | Composition |
| Sewer: | Septic Installed |
| Special Listing Conditions: | N/K |
| State Or Province: | CA |
| Stories Total: | 1 |
| View: | Mountains/Hills, Valley/Canyon |
| Water Source: | Public |
| Sdmls Neighborhood: | Casa De Oro-Mount Helix |
| Sdmls Area Zip: | LA MESA (91941) |
| Sdmls Lvt Date: | 2026-10-13 |
| Original List Price: | $1,595,000 |
| Sale Or Rent: | For Sale |
| Sdmls Status Detail: | 0 |
| Heat Source: | Other/Remarks |
| Restrictions: | None Known |
| Listing Terms: | Cash, Conventional, FHA, VA |
| Sdmls Exclusive Use Yard: | Yes |
| Year Built Source: | Assessor |
| Sdmls Internet Address: | 9620 Alto Dr |
| Sdmls Max Search Price: | 1,595,000 |
| Sdmls Mt: | 2 |
| Parking Total: | 6 |
| Sdmls Geo Update Timestamp: | 2026-10-13T17:02:54.5 |
| Sdmls Full Address: | 9620 Alto Dr |
| Sdmls Pp Insta: | https://www.propertypanorama.com/instaview/snd/260024748 |
| Showing Requirements: | See Remarks |
| Sdmls Parking Non Garaged: | 4.0 |
| Bedrooms Possible: | 3 |
| Sdmls Lot Size: | .5 to 1 AC |
| Sdmls Primary Bed Area: | 23X13 |
| Sdmls Bed2 Area: | 13X13 |
| Sdmls Bed3 Area: | 14X12 |
| Sdmls Breakfast Area: | 15X12 |
| Sdmls Dining Room Area: | 17X15 |
| Sdmls Family Room Area: | 18X17 |
| Sdmls Kitchen Area: | 23X13 |
| Sdmls Living Room Area: | 17X16 |
| On Market Date: | 2026-10-13 |
Listing Courtesy of: eXp Realty of California, Inc.
Listing Agent: Patrick Sperry
630-319-8682
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© 2026 San Diego MLS.
San Diego MLS data last updated on October 21, 2026 08:41 AM - PT.
Property Last Updated: October 21, 2026 08:41 AM - PT
