For Sale at Descanso: 26440 Old Highway 80, Descanso, CA 91916. 4-bedroom 6.5-bath, 7117 sf, 1990 Descanso $3,125,000 begin new search
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Overview

PRICE IMPROVEMENT! AMAZING OPPORTUNITY! YOUR PRIVATE LAKE AWAITS — LA MARQUESA Imagine waking to still water, towering oaks, lakefront tullies and birdsong, where the city feels a world away—yet downtown San Diego is approximately 40 miles from your door. Welcome to La Marquesa, an extraordinary 7,117 sq. ft. lakefront estate set on 7+ peaceful acres and one of only two residences privileged with access to this private, stocked lake. Expansive decks overlooking the water and mountains invite quiet mornings, spectacular sunsets and evenings beneath the stars. Inside, four spacious bedroom suites each offer an ensuite bath, complemented by two optional bedrooms, 6 full baths and a powder room. The dramatic great room, grand fireplace and rich English-style pub create an unforgettable setting for entertaining. The generous kitchen features quartz counters, center island, 8-burner Viking range/oven, stainless appliances, abundant cabinetry and Travertine flooring. A sweeping circular staircase, crystal chandelier and distinctive architectural details add timeless character. This is more than a home—it is space to breathe, room to gather and the privacy to truly escape. Properties like La Marquesa rarely come along. Come experience it in person—because photographs can capture the home, but they can't capture the feeling of being here. Views from every room! This is

Address 26440 Old Highway 80

Descanso, CA 91916
Listing Status ACTIVE
Asking Price $3,125,000
On Market Date $3,200,000 @ Jul 11, 2026
Rooms
Primary Bedroom, Primary Bathroom, Bonus Room, Foyer, Laundry, Living Room, Walk-In Pantry, Formal Entry, Game Room, Great Room, Entry, Kitchen, Utility Room, Retreat, Walk-In Closet
Square Footage 7117 sf
Flooring Tile, Carpet
Bedrooms 4
Full Bathrooms 6
Half Baths 1
Interior
Bathrooms Total Integer7
Beds4
Eating AreaFamily Kitchen,Area
Est SF7,117
Full Bathrooms6
Laundry YN1
Living Area SourceAssessor
Main Level Bathrooms0
Main Level Bedrooms0
Half Bathrooms1
Rooms Total0
Serchbl RmsPrimary Bedroom,Primary Bathroom,Bonus Room,Foyer,Laundry,Living Room,Walk-In Pantry,Formal Entry,Game Room,Great Room,Entry,Kitchen,Utility Room,Retreat,Walk-In Closet
Tot Bds0
Location
Address26440 Old Highway 80
Addr Number26440
Addr StreetOld Highway 80
Add Srch Num26440
CityDescanso
CmplxDescanso
DirInterstate 8 to the Descanso/Highway 79 exit. Go north approximately 1.5 miles and the entrance will be on the left. Cross Street: Old Highway 80/Samaguama Vlly.
Geo Latitude32.85684292
Geo Longitude-116.57870033
Geo Match Code0
Geo Matched Method0
Geo Quality0
Geo SubdivisionDescanso
Geo Zoom Level0
Market Area91916 - Descanso
NeighborhdDescanso
StateCA
Waterfront YNNo
Zip91916
Condominium
Assessments YN0
Association Dues 20
Association Fee20
Association YN0
HOA Fee$0.00
Financial
Electric Expense0
Fuel Expense0
Gross Income0
Insurance Expense0
Land Lease YNNo
Lease Amount0
Maintenance Expense0
Manager Expense0
Net Operating Income0
Other Expense0
Professional Management Expense0
Tax Annual Amount$0.00
Tax Year0
Trash Expense0
Water Sewer Expense0
Seller Consider Concession YN0
Sale History
Concessions Amount0
Sold Price0
Exterior
Excl Yrd1
FencingPartial
Lot SFApx307098.00
Lot Size Acres7.05
Lot Size SourceAssessor
Lot Size UnitsAcres
Patio YN0
PoolNone
Pool Private YN0
Property Attached YNNo
RoofMembrane,Composition
Spa0
StyleSingle Family Residence
Total Stories3
Lot Size Area7.05
Horse YNNo
Parking
Attached Garage YNNo
Carport Spaces0
Number Remotes0
Parking FeaturesGated,Garage - Single Door
Parking Garage Spaces4
Parking Non Garage10.00
Parking Total14
Parking YN1
Garage YNNo
Carport YNNo
Basement
Below Grade Finished Area0
Basement YNNo
Features
Additional Parcels YNNo
AppliancesDisposal,Microwave,Built-In Range,Refrigerator,Propane Range,Ice Maker,Double Oven,Dishwasher
Appliances YN1
Construction MaterialsStucco
CoolingCentral Air
Cooling YN1
Fireplace1
Flor CvrngsTile,Carpet
FPPrimary Retreat,Living Room
Heat EqpmntElectric,Propane,Forced Air
Heating YN1
Keyword0
Landry LctnIndividual Room,Electric Dryer Hookup,Propane Dryer Hookup
LevelsThree Or More
New Construction YNNo
Number Of Units Total0
Sprinklers YN0
View YN0
Well Depth0
Well Gallons Per Minute0
Well Pump Horsepower0
Well Report YN0
Condition
Yr Blt1,990
Yr Built SrcAssessor
Listing Information
Assoc IDSan Diego
LA1 First NmGreg
LA1 Last NamFox
Listing History
Timeline Notes
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Public Records
County San Diego
Assessor Parcel# 4081001500
Geographic Areas

Community College District: Grossmont-cuyamaca CC

Zip Code: 91916

Highway Locator

East of I-15

East of I-5

North of I-8

East of I-805

East of SR-163

East of SR-67

Ocean Distance 36.2 miles
Monthly Payment Calculator
Property Tax estimate of 1% of listing price does not include local voter-approved bonds/assessments, supplemental taxes for new construction or ownership changes, extra local fees, etc.
Listing Source
Platform CRMLS
AOR San Diego
MLS Number 260016959SD
Courtesy of
Listing Agent Greg Fox
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