3924 Grandon Ave is a one-story San Marcos home built in 1961 with 1,192 square feet, three bedrooms and two bathrooms in the main home. The living room connects to a dining area with sliding doors to the rear patio. The kitchen features white cabinetry, a gas range, a vent hood and a window above the sink. The primary bedroom has an adjoining bathroom with a separate shower, while two additional bedrooms share a hall bathroom with a tub-and-shower combination. Laundry space and a broad driveway add utility. A covered patio, paved outdoor areas and established palms extend the living space outdoors.
Property Details
Price:
$820,000
MLS #:
260023094SD
Status:
Active
Beds:
3
Baths:
2
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
92078sanmarcos
Listed Date:
Sep 21, 2026
Finished Sq Ft:
1,232
Lot Size:
6,900 sqft / 0.16 acres (approx)
Year Built:
1961
See this Listing
Schools
Interior
Appliances
MW, CT
Bathrooms
2 Full Bathrooms
Cooling
CA
Heating
GAS, NO
Laundry Features
AR, IR, WH
Levels
A
Exterior
Construction Materials
WOD
Fencing
WD
Financial
Map
Community
- Address3924 Grandon San Marcos CA
- CitySan Marcos
- CountySan Diego
- Zip Code92078
Subdivisions in San Marcos
Market Summary
Current real estate data for Single Family in San Marcos as of Sep 21, 2026
202
Single Family Listed
65
Avg DOM
408
Avg $ / SqFt
$851,385
Avg List Price
Property Summary
- 3924 Grandon San Marcos CA is a Single Family for sale in San Marcos, CA, 92078. It is listed for $820,000 and features 3 beds, 2 baths, and has approximately 1,232 square feet of living space, and was originally constructed in 1961. The current price per square foot is $666. The average price per square foot for Single Family listings in San Marcos is $408. The average listing price for Single Family in San Marcos is $851,385.
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Courtesy of Opendoor Brokerage Inc.. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than include the name of the listing broker. Neither the listing company nor shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.3924 Grandon
San Marcos, CA