$11,000,000

beds

baths

half baths

13,649

square ft

227 Tunnel Rd

Berkeley, California 94705

Active / MLS #41092524 / Single Family / Berkeley

Listing information updated 5/13/2025 at 12:30pm

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.

Full Features

Exterior Type:

Stucco

Beds Above Grade:

Cooling System:

None

Heating System:

Zoned

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Yes

Age:

112 Years

Roof Type:

Slate

Parking Type:

Attached,Int Access From Garage,Off Street,Parking Spaces,Enclosed,Parking Lot,Garage Door Opener

Parking Spaces:

Garage:

Room Count:

Square Feet:

13,649

Lot Size:

1.58 Square Feet

External Features:

Garden, Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Back, Sprinklers Front, Sprinklers Side, Storage, Other, Entry Gate, Landscape Back, Landscape Front, Landscape Misc, Private Entrance, Storage Area, Yard Space

Taxes & Assessments

Tax Amount:

N/A

Tax Year:

N/A

Location

Zip Code:

94705

City:

Berkeley

County:

Alameda

Schools

Elementary School:

N/A

Middle School:

N/A

High School:

N/A

Full Features Taxes & Assessments Location Schools

Exterior Type:

Stucco

Beds Above Grade:

Cooling System:

None

Heating System:

Zoned

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Yes

Age:

112 Years

Roof Type:

Slate

Parking Type:

Attached,Int Access From Garage,Off Street,Parking Spaces,Enclosed,Parking Lot,Garage Door Opener

Parking Spaces:

Garage:

Room Count:

Square Feet:

13,649

Lot Size:

1.58 Square Feet

External Features:

Listing Agent: Julie Nachtwey

Listing Office: Compass

Disclaimer: Bay East 2025. CCAR 2025. bridgeMLS 2025. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.