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227 Tunnel Rd Berkeley, CA 94705
$11,000,000 7 beds, 16 baths
13, 649 sqft
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Photo of Jimmy Harmantzis

Jimmy Harmantzis REALTORĀ® - Broker Associate 949-212-2023 m
949-212-2023 o
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
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Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
Mission Viejo Office
23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
Phone: 949-768-1000
Fax: 949-587-0915
Mission Viejo 23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
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Fax: 949-587-0915
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Arts and Crafts Masterpiece designed by John Hudson Thomas, 1913. The 1.58 acre estate encompasses extensive grounds including the main house, the pool, pool house, tennis court, private gym and connected carriage house/garage with studio apartment. Called The Wintermute House aka The Rocks, it boasts 19+rooms including a Conservatory with 20' windows, grand living room with SF Bay Views, media room, family room, three kitchens and expansive third floor office. The home has beautiful period details including mahogany trim, pounded copper fireplace surrounds, Viennese Secessionist-style glasswork. Coming to the market for the first time since 1983. A truly rare offering.

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# 41092524
List price is $11,000,000
Beds: 7
Baths: 16 (9 full) (7 half)
Dining Room,Living Room,Primary Bedroom fireplaces
Built in 1913
13,649 sqft
1.58 acres
Lot size: 1.5769
Subdivision: CLAREMONT HILLS
County: Alameda
Construction: Stucco
Interior features: Breakfast Area,Eat-in Kitchen
Appliances: Gas Water Heater,Dryer,Washer
Parking description: Garage,Garage Door Opener,Off Street,One Space
Lot description: Back Yard,Front Yard,Garden,Sprinklers In Rear,Sprinklers In Front,Secluded,Sprinklers Timer,Sprinklers On Side,Yard
Heating/cooling: None
Heating description: Forced Air

Last Updated: 5/5/2025

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Lat/Long: 37.853584, -122.235291.
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Listing Agent: Julie Nachtwey
Lic#: 01234982
Office Name: Mission Viejo

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Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

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Photo of Jimmy Harmantzis

Jimmy Harmantzis REALTORĀ® - Broker Associate 949-212-2023 m
949-212-2023 o
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com
Text Me
Call My Cell
Call My Office
Lic#: 01234982
NRDS ID: 641526390
JimmyHarmantzis@bhhscal.com

Mission Viejo Office
23120 Alicia Parkway, Suite 100
Mission Viejo, CA 92692
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© 2025 Berkshire Hathaway HomeServices California Properties (BHHSCP) is a member of the franchise system of BHH Affiliates LLC. BHHS and the BHHS symbol are registered service marks of Columbia Insurance Company, a Berkshire Hathaway affiliate. BHH Affiliates LLC and BHHSCP do not guarantee accuracy of all data including measurements, conditions, and features of property. Information is obtained from various sources and will not be verified by broker or MLS. Buyer is advised to independently verify the accuracy of that information.
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