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$4,988,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 3 Partial Baths
  • 4,022 Sq. Ft.
  • 4 Car Garage
  • Updated 19 hours ago

Next open house:

Open House: 10:00 AM - 2:00 PM

Thursday 8/27 10:00 AM - 2:00 PM

1230 Winston Avenue,San Marino, CA 91108

1230 Winston AvenueSan MarinoCA91108

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Join us at 1230 Winston Avenue on:

  • Open House: 12:00 PM - 4:00 PM

    Saturday 8/29 12:00 PM - 4:00 PM

    1230 Winston Avenue,San Marino, CA 91108
    1230 Winston AvenueSan MarinoCA91108
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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.

Full Property Details for 1230 Winston Ave

General

  • Price: $4,988,000
  • Status: Active
  • Type: Single Family
  • Source: MRMLS
  • MLS ID: P1-28584
  • Updated: 8/25/2026
  • Days on Market: 1 days
  • Added to Site: 2 day(s) ago

Interior

  • Rooms/Areas: Primary Bedroom, Primary Bathroom, Foyer, Primary Suite, Laundry, Attic, Dressing Area, Living Room, Walk-In Pantry, Family Room, Formal Entry, All Bedrooms Up, Entry, Basement, Kitchen, Jack & Jill, Walk-In Closet
  • Interior Features: Crown Molding, Balcony, Built-in Features, Wainscoting, Pantry, Recessed Lighting, Storage, Copper Plumbing (Full), Stone Counters
  • Fireplace: Yes
  • Fireplace(s): Firepit, Patio, Living Room
  • Eating Areas: Breakfast Counter/Bar, In Kitchen, Area, Breakfast Nook
  • Appliances: Tankless Water Heater, Double Oven, Gas Oven, Icemaker, Water Softener, Range Hood, Built-In Range, Refrigerator, Barbecue, Freezer, Gas Range, 6 Burner Stove, Dishwasher, Microwave, Water Heater
  • Flooring: Tile, Wood

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 1
  • 3/4 Bathrooms: 2
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 3

Other Rooms

  • Laundry: Individual Room

Additional Information

  • Pool Description: None
  • Spa Description: None

Exterior

  • Deck/Patio: Brick, Concrete, Open Patio

Parking

  • Garage: Yes
  • Garage Spaces: 4
  • Parking: Garage, Gated, Tandem Covered, Garage (Single Door), Driveway, Side-by-Side, Garage Door Opener

Location

  • County: Los Angeles
  • Driving Directions: North of Huntington Drive and East of Sierra Madre Blvd.
  • Direction Faces: West

Community

  • Community Features: Gutters, Curbs, Street Lights, Storm Drains, Sidewalks, Park

Heating & Cooling

  • Cooling Type: Dual, Central Air, Ductless
  • Heating Type: Forced Air, Central

Utilities

  • Sewer: Public Sewer
  • Water: Public

Structural Information

  • Architectural Style: Colonial, Georgian
  • Structure Type: Single Family Residence
  • Construction: Brick, Concrete, Stucco
  • Foundation: Raised
  • Roof: Wood, Shake
  • Common Walls: No Common Walls
  • Windows: Drapes, Custom Covering, Skylight(s)
  • Doors: French Doors
  • Disability Access: Parking
  • Stories/Levels: Two
  • Stories Description: Two
  • Square Feet: 4,022
  • Sq. Ft. Source: See Remarks
  • Year Built: 1941
  • Year Built Source: Assessor
  • Property Condition: Turnkey, Updated/Remodeled

Additional Structures

  • Other Structures: Guest House Detached

Lot Features

  • Property View: None
  • Lot Size (Acres): 0.5704
  • Lot Size (Sq. Ft.): 24,847
  • Lot Size Source: Assessor
  • Irrigation System: Sprinkler System
  • Lot Description: Sprinklers in Front, 0-1 Unit/Acre, Sprinklers Timer, Garden, Front Yard, Sprinkler System, Back Yard, Yard, Lawn
  • Fencing (Description): Chain Link, Brick, Wrought Iron

Financial Considerations

  • Price Per Sq. Ft.: $1,240.18

Disclosures and Reports

  • Special Conditions: Standard
  • Inclusions: Kitchen appliances.

Listed by The Agency, Sarah Rogers

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Listing agent

— 1230 Winston Ave —

  • Sarah Rogers

    The Agency

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 1230 Winston Ave

School District:San Marino Unified School District
NameGradesDistance
Carver Elementary School, San Marino, CA
3100 Huntington Drive, San Marino, CA 91108
K-50.6 mi
Huntington Middle School
1700 Huntington Drive, San Marino, CA 91108
6-80.9 mi
San Marino High School
2701 Huntington Drive, San Marino, CA 91108
9-120.1 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 1230 Winston Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
8/24/2026
Listed
$4,988,000
16%
MLS
7/02/2021
Sold
$4,300,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 1230 Winston Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$49,905
-1%
$4,350,300
-1%
2023
$50,599
3%
$4,386,000
2%
2022
$49,016
79%
$4,300,000
87%
2021
$27,388
2%
$2,303,695
1%
2020
$26,957
46378%
$2,280,074
3%
2019
$58
-100%
$2,217,267
2%
2018
$25,774
2%
$2,173,792
2%
2017
$25,274
2%
$2,131,170
2%
2016
$24,785
2%
$2,089,383
2%
2015
$24,410
1%
$2,057,999
2%
2014
$24,079
—
$2,017,687
—
2013
$24,143
—
$2,008,569
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost for 1230 Winston Ave

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by The Agency, Sarah Rogers

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1230 Winston Avenue, San Marino, CA 91108 (MLS# P1-28584) is a Single Family property with 3 bedrooms, 1 full bathroom and 3 partial bathrooms. 1230 Winston Avenue is currently listed for $4,988,000 and was received on August 24, 2026. Want to learn more about 1230 Winston Avenue? Do you have questions about finding other Single Family real estate for sale in San Marino? You can browse all San Marino real estate or contact a Coldwell Banker agent to request more information.

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