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Back$3,999,9005 bd6 ba6,321 sqft

$3,999,900For sale

9775 Alto Dr

La Mesa, CA 91941 · MLS# 260014796SD

Listing courtesy of Century 21 Affiliated
  • 5Beds
  • 6Baths
  • 6,321Sq Ft
  • 1992Year Built

About This Home

Experience luxury living in the heart of Mt. Helix with this fully remodeled estate offering panoramic views of the surrounding mountains, downtown San Diego, Coronado, and the Pacific Ocean. Spanning approximately 6,322 square feet, this exceptional residence features 5 bedrooms, 5.5 bathrooms, including two primary suites, and breathtaking views from nearly every room. The open-concept floor plan showcases wide-plank hardwood flooring, designer finishes, custom cabinetry, marble-clad bathrooms, and expansive windows that bring the outdoors in. The chef’s kitchen opens seamlessly to the living and dining areas, creating an ideal setting for entertaining. Multiple view terraces and outdoor living spaces provide the perfect backdrop for sunsets and sparkling city lights. The lower level offers a spacious secondary living area with a large family room, wet bar, wine storage, and flexible bonus space ideal for a theater, gym, office, or multigenerational living. Situated on approximately 0.81 acres with a gated entrance, expansive motor court, and 3-car garage, this rare Mt. Helix estate offers an unmatched combination of privacy, space, luxury, and spectacular views. A truly one-of-a-kind opportunity. Experience luxury living in the heart of Mt. Helix with this fully remodeled estate offering panoramic views of the surrounding mountains, downtown San Diego, Coronado, and the Pacific Ocean. Spanning approximately 6,322 square feet, this exceptional residence features 5 bedrooms, 5.5 bathrooms, including two primary suites, and breathtaking views from nearly every room. The open-concept floor plan showcases wide-plank hardwood flooring, designer finishes, custom cabinetry, marble-clad bathrooms, and expansive windows that bring the outdoors in. The chef’s kitchen opens seamlessly to the living and dining areas, creating an ideal setting for entertaining. Multiple view terraces and outdoor living spaces provide the perfect backdrop for sunsets and sparkling city lights. The lower level offers a spacious secondary living area with a large family room, wet bar, wine storage, and flexible bonus space ideal for a theater, gym, office, or multigenerational living. Situated on approximately 0.81 acres with a gated entrance, expansive motor court, and 3-car garage, this rare Mt. Helix estate offers an unmatched combination of privacy, space, luxury, and spectacular views. A truly one-of-a-kind opportunity.

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Property at a Glance: 9775 Alto Dr

This single family residence property at 9775 Alto Dr, La Mesa, CA 91941 is for sale at $3,999,900. The home has 5 bedrooms, 6 bathrooms and 6,321 square feet of living space. It was built in 1992 and sits on a lot of 0.81 acres. That comes to about $633 per square foot. Reach out to set up a showing or ask for more details about this home.

Snapshot

Status
For sale
Price
$3,999,900
Bedrooms
5
Bathrooms
6
Full Baths
5
Half Baths
1
Property Type
Single Family Residence
Year Built
1992
Square Feet
6,321
Lot Size
0.81 acres
Days on Market
0
MLS #
260014796SD
Price per Sq Ft
$633
County
San Diego
Subdivision
Mount Helix

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Call now about 9775 Alto Dr and ask about showings, availability, or offer timing.

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Property Details

Building
Property Type: Single Family Residence
Year Built: 1992
Stories: 2
Land
Lot Size: 0.81 acres
View: Mountain(s), Ocean, Panoramic
Money
County: San Diego
HOA: Not provided
HOA Fee: Not provided
Rooms
Heating: Forced Air, Natural Gas
Cooling: Central Air, Zoned
Appliances: Dishwasher, Microwave, Refrigerator
Fireplace: Living Room
Laundry: Electric Dryer Hookup, Gas Dryer Hookup, Laundry Room
Structures
Garage Spaces: 3
Parking: Driveway
Pool: None
Construction: Stucco
Patio and Porch: Covered, Deck

Mount Helix in La Mesa, CA

9775 Alto Dr is in the Mount Helix neighborhood of La Mesa, CA. Ask Brad & Karen Mattonen about other homes for sale in Mount Helix and what nearby homes have sold for.

Location

9775 Alto Dr, La Mesa, CA 91941 Open in Google Maps

Mortgage Calculator

Estimated Monthly Payment$20,226
$3,199,920Loan Amount
$799,980Down Payment
$4,081,322Total Interest

Principal and interest only. Taxes, insurance and HOA dues are extra.

Brad & Karen Mattonen Can Answer Your Questions About This Home

Why Work With Brad & Karen Mattonen?

Buying a home in La Mesa, CA goes better with a local agent on your side. Brad & Karen Mattonen can set up private showings, pull the latest numbers for the area, and guide you through the offer and the closing. Call 858-518-2875 to get started. Whether 9775 Alto Dr is the one or you would like to see other homes nearby, reach out any time.

Local facts

Facts and context beyond the MLS description

What the numbers say about 9775 Alto Dr and the La Mesa area around it.

Current market context

How this home compares in La Mesa

  • $633This home per sq ft
  • $521Median per sq ft
  • 24Homes for sale like it
  • 3Average days on market

At $633 per square foot, 9775 Alto Dr is priced about 21% above the $521 median for 5 or more bedroom homes for sale in La Mesa now.

Nearby sold homes

Recent sold homes near this property

Homes that sold within 1.25 miles of 9775 Alto Dr in the last 6 months, at a median price of $1,370,000.

AddressSoldHomeSold priceDistance
4732 Divine WayJul 14, 20264 bd · 3 ba · 2,781 sqft$1,390,0000.2 mi
4784 JefferSep 21, 20264 bd · 3 ba · 2,791 sqft$1,575,0000.3 mi
4711 Gabriel WayMay 20, 20263 bd · 3 ba · 2,471 sqft$1,800,5000.3 mi
4814 Mount Helix DrJun 15, 20264 bd · 3 ba · 3,044 sqft$1,550,0000.4 mi
9807 Ogram DriveOct 15, 20264 bd · 3 ba · 2,659 sqft$1,218,4600.4 mi
4742 Mount Helix DriveJun 8, 20263 bd · 3 ba · 2,458 sqft$1,330,0000.4 mi
10111 PinnacleAug 3, 20263 bd · 4 ba · 1,800 sqft$1,350,0000.4 mi
4346 Mount Helix HighlandsAug 31, 20264 bd · 3 ba · 2,210 sqft$1,182,2250.4 mi

Every home is different. Ask for a full price review before you make an offer.

Listing timeline

Price and status history

DateEventPrice
Jun 19, 2026Active$3,999,900

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