Resting on a 1/2 acre corner lot in San Marino’s exclusive Huntington Library neighborhood, 685 Chester Avenue is a timeless Mid-Century ranch ideal for planting roots. This single-story home offers elegant, light-filled living spaces, a private backyard with lush gardens, and a versatile 824 sq ft guest house complete with a full kitchen, living room, and bedroom ensuite. A grand, double-door entry opens to the home’s gracious foyer with gleaming marble tiles. To the right, an elegant formal living room with intricate millwork and numerous windows offers the perfect setting for social club meetings, piano practice, or simply relaxing with a good book in front of the handsome fireplace. The heart of the home is found in the centrally located family room complete with skylights and a statement fireplace. Sliding glass doors dissolve the boundary between inside and out while offering peaceful views of the covered patio and lush gardens. Nearby, the kitchen features a large island, abundant storage, and a Sub-Zero refrigerator. From the living area, a hallway leads to three bedroom suites resting at the rear of the home, including the luxurious primary. A private fourth bedroom and a hallway bathroom are located off the foyer. The home’s serene outdoor areas include a covered stone patio-ideal for weekend brunch-overlooking a grassy lawn and blooming rose garden. The secluded guest house at the rear of the property is updated and fully equipped for visiting loved ones or multi-generational living. Between the garage and the rear gate, you’ll find a large and versatile space ideal for extra parking or a basketball court. Set in a picture-perfect neighborhood just blocks from the Huntington Library and San Marino High School, 685 Chester Ave is where the good life stops being an aspiration and becomes reality.
Property Details
Price:
$3,980,000
MLS #:
P1-26672
Status:
Active
Beds:
5
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
655sanmarino
Listed Date:
Apr 14, 2026
Finished Sq Ft:
4,401
Lot Size:
23,064 sqft / 0.53 acres (approx)
Year Built:
1951
See this Listing
Schools
Interior
Appliances
DW, MW, RF, TC, GS, DO
Bathrooms
3 Full Bathrooms, 2 Three Quarter Bathrooms
Cooling
CA
Flooring
TILE, WOOD
Heating
CF, FIR
Interior Features
BI, ST, CRWN, DBAR, RECL, OFP, PTRY
Laundry Features
IK, IN, ICL
Levels
A
Exterior
Accessibility Features
_2AE, PK
Architectural Style
MCM
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, CRB
Exterior Features
LIT
Fencing
PRV, SEC
Garage Spaces
2
Other Structures
GH, GHD
Parking Spots
6
Parking Total
6
Patio And Porch Features
CON, CO, STN
Security Features
SD, WSEC, COD
Spa Features
NO
View
TW, NE
Window Features
SHT, SK
Financial
Map
Community
- Address685 Chester AV San Marino CA
- SubdivisionNot Applicable
- CitySan Marino
- CountyLos Angeles
- Zip Code91108
Market Summary
Current real estate data for Single Family in San Marino as of Apr 18, 2026
43
Single Family Listed
44
Avg DOM
899
Avg $ / SqFt
$3,814,055
Avg List Price
Property Summary
- Located in the Not Applicable subdivision, 685 Chester AV San Marino CA is a Single Family for sale in San Marino, CA, 91108. It is listed for $3,980,000 and features 5 beds, 5 baths, and has approximately 4,401 square feet of living space, and was originally constructed in 1951. The current price per square foot is $904. The average price per square foot for Single Family listings in San Marino is $899. The average listing price for Single Family in San Marino is $3,814,055.
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685 Chester AV
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