9620 Alto Dr
La Mesa, CA, 91941
$1,595,000
3 Beds
3.5 Baths
2,495 SqFt
0.55 Acres
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MLS #260024748SD image #0
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!

Property Details

Price:
$1,595,000
MLS #:
260024748SD
Status:
Pending
Beds:
3
Baths:
3.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Mount Helix
Neighborhood:
91941lamesa
Listed Date:
Oct 13, 2026
Finished Sq Ft:
2,495
Lot Size:
23,958 sqft / 0.55 acres (approx)
Year Built:
1963
Pool91941 – La Mesa91941lamesaMount HelixMountain(s)

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Schools

Interior

Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
Central Air
Heating
Forced Air, See Remarks
Interior Features
Ceiling Fan(s), Open Floorplan, Storage, Cathedral Ceiling(s)
Laundry Features
Gas Dryer Hookup, In Garage
Levels
One

Exterior

Construction Materials
Wood Siding, Other
Covered Spaces
2
Garage Spaces
2
Open Parking Spaces
4
Open Parking YN
1
Parking Features
Direct Access, Driveway
Parking Spots
6
Parking Total
6
Patio And Porch Features
Patio
Roof
Composition
Stories
1
View
Mountain(s)

Financial

Map

Community

Subdivisions in La Mesa

Market Summary

Current real estate data for Single Family in La Mesa as of Nov 03, 2026
96
Single Family Listed
61
Avg DOM
595
Avg $ / SqFt
$1,267,816
Avg List Price

Property Summary

    Located in the Mount Helix subdivision, 9620 Alto Dr La Mesa CA is a Single Family for sale in La Mesa, CA, 91941. It is listed for $1,595,000 and features 3 beds, 4 baths, and has approximately 2,495 square feet of living space, and was originally constructed in 1963. The current price per square foot is $639. The average price per square foot for Single Family listings in La Mesa is $595. The average listing price for Single Family in La Mesa is $1,267,816.

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9620 Alto Dr
La Mesa, CA