9945 Alto Drive is an architectural retreat nestled in the coveted hills of Mt. Helix, where sweeping views, elevated privacy, and creative possibility converge. This expansive 5-bedroom, 5-bath home offers over 5,000 sq ft, which includes a large 1-bedroom and 1-bathroom ADU-like retreat upstairs. It’s bathed in natural light and designed to inspire. From its dramatic vaulted and wood-beam ceilings and statement, brand-new, custom-built kitchen to its outdoor oasis for entertaining, gardening, and custom fire-fit and seating area for breathtaking sunset views, every space invites you to breathe, entertain, and envision what’s next. The layout is flexible and ready to evolve and here’s the magic: the seller is offering custom layout consultation and a potential design-build credit with purchase. Whether you’re dreaming of a reimagined primary suite downstairs or a bespoke live-work sanctuary, the framework is here. You bring the vision' we’ll help you build it. The terraced backyard offers multiple outdoor zones for entertaining, gardening, or simply taking in the sunset with a glass of wine poolside. Perched high above the city bustle but just minutes from the best of La Mesa, this home blends tranquil luxury with modern convenience. This is not your standard home and that’s exactly the point. Private showings available. Seller open to creative offers. Bring your ideas, your dreams, and your designer.
Property Details
Price:
$2,250,000
MLS #:
250023863SD
Status:
Active
Beds:
5
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Mount Helix
Neighborhood:
91941lamesa
Listed Date:
Apr 9, 2025
Finished Sq Ft:
5,065
Lot Size:
36,154 sqft / 0.83 acres (approx)
Year Built:
1955
See this Listing
Schools
Interior
Appliances
Range Hood
Bathrooms
3 Full Bathrooms, 2 Half Bathrooms
Cooling
Central Air
Heating
Natural Gas, Forced Air
Laundry Features
Gas & Electric Dryer Hookup, Common Area
Exterior
Construction Materials
Stucco
Parking Features
Asphalt
Parking Spots
14.00
Roof
Composition
Financial
Map
Community
- Address9945 Alto Dr La Mesa CA
- Neighborhood91941 – La Mesa
- SubdivisionMount Helix
- CityLa Mesa
- CountySan Diego
- Zip Code91941
Subdivisions in La Mesa
Market Summary
Current real estate data for Single Family in La Mesa as of Oct 22, 2025
94
Single Family Listed
126
Avg DOM
613
Avg $ / SqFt
$1,376,146
Avg List Price
Property Summary
- Located in the Mount Helix subdivision, 9945 Alto Dr La Mesa CA is a Single Family for sale in La Mesa, CA, 91941. It is listed for $2,250,000 and features 5 beds, 5 baths, and has approximately 5,065 square feet of living space, and was originally constructed in 1955. The current price per square foot is $444. The average price per square foot for Single Family listings in La Mesa is $613. The average listing price for Single Family in La Mesa is $1,376,146.
Similar Listings Nearby

9945 Alto Dr
La Mesa, CA