714-745-2708

11 Glen Alpine Rd., Piedmont, CA 94611

$12,500,000 Approx. USD 9 beds, 15 baths
16,693 sqft

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Marketed By The Keaty Team

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Marketed By The Keaty Team REALTOR® - Sales Associate 714-608-3298 m
714-745-2708 o
Lic#: 01276603
NRDS ID: 187514104
thekeatyteam@bhhscal.com Tustin Office
18302 Irvine Blvd, Suite 240
Tustin, CA 92780
Phone: 714-832-8800
Fax: 949-565-7700

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Listing Agent

Adrienne Tunney Krumins | atk@grubbco.com
Lic#: 01296734
Broker: Courtesy of The GRUBB Company
Phone: 510-928-4521

Co Listing Agent

Anian Tunney | tunney@grubbco.com
Lic#: 00812754
Broker: Courtesy of The GRUBB Company
Phone: 510-339-0400

Agent Remarks

Set well back from the street on a gently rolling hillside, 11 Glen Alpine Road is one of the great estates of the East Bay. Built in 1929 for inventor Ernest J. Sweetland and designed by architect Frederick H. Reimers, this English Tudor and French Gothic residence features exterior walls of Bath stone imported from England and a distinctive purple Pennsylvania slate roof. Carved oak entry doors open to a marble vestibule with a domed gold-leaf ceiling and an extraordinary oak-paneled great hall stretching approximately 60 feet, where a sweeping staircase rises beneath a two-story leaded-glass window. The main floor features a magnificent 42-by-23-foot living room with a 15-foot beamed ceiling and dramatic seven-foot fireplace, a Gothic-windowed conservatory, an oak-paneled library, a striking octagonal dining room, and a tiled kitchen with serving and pastry pantries, a home office, and a sun-filled hexagonal breakfast room. The bedroom level offers eight bedrooms, including a primary suite with two dressing rooms, two baths, a study, and two fireplaces, as well as the charming log cabin suite lined in Oregon pine. An expansive third floor provides versatile space for recreation, work, or additional living areas. The daylit lower level is highlighted by a grand ballroom with maple floors, a stage, and a commercial kitchen. Set on 1.79 acres, the private grounds encompass a swimming pool and spa, pool house, and tennis court, while a winding driveway leads to a five-car garage. Nearly a century after its construction, 11 Glen Alpine Road remains an extraordinary testament to the artistry, craftsmanship, and architectural ambition of its era.

Listing Details

Property type: Single Family Residence (Single Family)

Status: Active

MLS# 41152946

Price: $12,500,000

Beds: 9

Baths: 15 (10 full) (5 half)

Living Room,Primary Bedroom,Wood Burning fireplaces

Built in 1929

16,693 sqft

1.79 acres

Lot size: 1.7900

Subdivision: CENTRAL PIEDMONT

County: Alameda

Property style: Tudor

Construction: Brick,Concrete,See Remarks

Interior features: Eat-in Kitchen,Attic,Utility Room,Workshop

Appliances: Dryer,Washer

Parking description: Garage,Off Street

Lot description: Back Yard,Sloped Down,Front Yard,Garden,Sprinklers In Front,Secluded,Sloped Up

Heating/cooling: None

Heating description: Radiant

Last Updated: 11/10/2026

Days On Market (DOM): 8

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The style of this listing is Tudor.
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Lat/Long: 37.820505, -122.220498.
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