1230 Winston AV San Marino CA 91108 | MLS #P1-28584
Nestled on a sprawling, park-like 0.57-acre double lot in one of San Marino’s most coveted neighborhoods, this Georgian Colonial estate offers a rare blend of timeless character and modern luxury. Designed by architect Cyril Bennett, known for his design of the Pasadena Playhouse and the Raymond Theater, this property features a meticulously updated 1941 home plus a detached, oversized luxury 4-car garage, complete with a kitchenette, built-in appliances, and gorgeous 3/4 bathroom. This is an excellent bonus space for a home gym, catering prep, or game room with every amenity imaginable – air-conditioning, built-in cabinets, walk-in closet, finished floor, and 2 pull-down staircases to the huge plywood-decked attic storage area. From the moment you enter the home, you will recognize its sophistication. The grand foyer features a sweeping staircase and a high domed ceiling. The formal living room, accented by crown molding, oak hardwood floors, large bay windows, and a gas fireplace, flows seamlessly through 2 sets of French doors to a stunning patio area. A beautiful library/family room provides a serene retreat, with cozy wood paneling and a built-in TV/entertainment center, offering picturesque views of the property’s lush landscaping and towering redwoods. The gourmet kitchen is mise en place made manifest, equipped with Viking stainless steel appliances, farmhouse porcelain sink, quartz countertops, a breakfast nook and access to the elegant dining room. Beyond the main residence, the estate excels in versatility. Descend the storybook stone stairs to a private outdoor oasis showcasing a waterfall, fireplace and plenty of seating for al fresco dining. A temperature-controlled secluded summer cottage, featuring French doors and a paver stone patio, provides an ideal spot for home office or studio. There is no shortage of entertaining spaces. The private rear yard features a built-in firepit, an outdoor kitchen with high-end built-in appliances, including a barbecue, sink, cooktop and refrigerator. With an abundance of amenities, upgrades, and entertainment space, this property is a rare find. The system updates include a new 400-amp electrical panel, updated wiring and plumbing, dual 5-ton HVAC units, 2 water heaters, an automatic driveway gate and plenty of on-site parking. Conveniently situated near the Huntington Library and San Marino High School, this exceptional property seamlessly integrates classic elegance with contemporary functionality.
Property Details
Price:
$4,988,000
MLS #:
P1-28584
Status:
Active
Beds:
3
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
655sanmarino
Listed Date:
Aug 24, 2026
Finished Sq Ft:
4,022
Lot Size:
24,847 sqft / 0.57 acres (approx)
Year Built:
1941
See this Listing
Schools
Interior
Appliances
DW, FZ, IM, MW, RF, GO, GR, BIR, _6BS, BBQ, DO, HOD, TW, WHU, WS
Bathrooms
1 Full Bathroom, 2 Three Quarter Bathrooms, 1 Half Bathroom
Cooling
CA, DL, DUC
Flooring
TILE, WOOD
Heating
FA, CF
Interior Features
BI, FC, ST, CRWN, RECL, WAIN, STNC, PTRY, BL
Laundry Features
IR
Levels
U
Main Level Bathrooms
2
Exterior
Accessibility Features
PK
Architectural Style
COL, GEO
Common Walls
NCW
Community Features
SDW, STM, SL, CRB, CW, PARK
Construction Materials
BRK, STC, CON
Direction Faces
W
Exterior Features
AW, BQ, LIT, RG, BLC
Fencing
BR, CH, WI
Garage Spaces
4
Other Structures
GHD
Parking Spots
4
Parking Total
4
Patio And Porch Features
BRK, CON, OPN
Roof
SHK, WOD
Security Features
SS, SD, AG, COD
Spa Features
NO
View
NO
Window Features
SK, CWC, DPC
Financial
Map
Community
- Address1230 Winston AV San Marino CA
- CitySan Marino
- CountyLos Angeles
- Zip Code91108
Market Summary
Current real estate data for Single Family in San Marino as of Aug 25, 2026
47
Single Family Listed
48
Avg DOM
934
Avg $ / SqFt
$3,578,134
Avg List Price
Property Summary
- 1230 Winston AV San Marino CA is a Single Family for sale in San Marino, CA, 91108. It is listed for $4,988,000 and features 3 beds, 4 baths, and has approximately 4,022 square feet of living space, and was originally constructed in 1941. The current price per square foot is $1,240. The average price per square foot for Single Family listings in San Marino is $934. The average listing price for Single Family in San Marino is $3,578,134. To schedule a showing of MLS#p1-28584 at 1230 Winston AV in San Marino, CA, contact your The Knight Group LA agent at 310.409.7242.
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Courtesy of The Agency. 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 The Knight Group LA include the name of the listing broker. Neither the listing company nor The Knight Group LA 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.1230 Winston AV
San Marino, CA
