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Listed by: Patrick Sperry (630) 319-8682 DRE #02442480 | eXp Realty of California, Inc. (619) 618-7997
$1,595,000
Monthly Est:$7,939
3 Beds
- 4 Baths
3 full baths + 1 half bath
2,495sqft
9620 Alto Dr, La Mesa, CA 91941
$1,595,000
$7,939/moEst:
Get Pre-Approved
Single Family Residence
Built in 1963
$-- HOA
23,958 sqft lot
$639/sq.ft
Description
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!
- Houzeo last checked: 12 minutes ago
- Listing updated: October 15, 2026 at 7:41 pm
- Source: California Regional MLS-CA | MLS#: 260024748SD

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
1
County
City
Neighborhood
--
Year Built
1963
HOA Fees
-
Finished Area
2,495 sqft
Lot Size
23,958 sqft lot
Basement Area
- sqft
MLS Name
California Regional MLS
MLS Number
260024748SD
MLS Status
Active
Days on Market
8

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 3
Bathrooms: 4
Interior
Heating
Forced Air, See Remarks
Interior Features
Ceiling Fans, Cathedral Ceilings, Open Floorplan, See Remarks, Storage
Cooling
Central Air
Construction
Year Built
Year Built: 1963
Home type
Single Family Residence
Roof
Composition
Construction Materials
Other, Wood Siding
Utilities & Energy
Parking Features
Direct Access, Driveway, Garage
Fireplace Features
Living Room
Water Source
Public
Laundry Features
Gas Dryer Hookup, In Garage
Pool Features
Private
Other Features
Subdivision Name
Mount Helix
Patio And Porch Features
Patio
Price History
| Date | Event | Price |
|---|---|---|
10/12/2026 Source: | Listed for Sale | $1,595,000 $639/sqft |
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Based on information from California Regional Multiple Listing Service, Inc. as of Oct 21, 2026, 05:15PM and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.
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