331 Hillside Ave Piedmont, CA 94611-4013
Listing Courtesy of: CRMLS / Listed By: Matthew Heafey, Compass

  331 Hillside Ave Piedmont, CA 94611-4013

Active (1 Days)
$10,950,000 (USD)
6
BED
9
BATH
8,164
SQFT

Description

Set on ¾ of an acre in central Piedmont, 331 Hillside Avenue offers rare estate scale, spectacular views, and the quality and infrastructure of a newly built home. Originally constructed in 1906, the residence was comprehensively rebuilt over three years, with a new seismic foundation, structural steel, shear walls, and entirely new systems, fixtures and finishes. A marble entry leads to a hand-forged staircase connecting all three levels. The living room features a see-through fireplace shared with the solarium and opens to an ipe wood balcony overlooking the pool. The elegant dining room captures bay and city views, while the private study is adjacent to the solarium. The exceptional kitchen features luxury finishes, top-end appliances, and a banquette, opening to the family room and outdoor deck with heaters and BBQ. The upper level includes four en suite bedrooms. The luxurious primary suite offers a sitting room, office, fireplace, dual dressing rooms and marble bath to capture the view. A spacious laundry and dedicated craft room complete the level. Designed for entertaining, the lower level features a theater, game area, custom bar, and a glass-enclosed, temperature- controlled wine cellar. A fitness area, music room, ½ bath and French doors lead to the pool deck. A private guest/au pair suite with full bath and exterior entrance completes the level. The grounds are extraordinary: a pool with spa, limestone terrace, fire pit with panoramic views, bocce court, sport court, raised gardens, fruit and olive trees, and chicken coop. A separate guest house offers a bedroom, living room with fireplace, full kitchen, bath and laundry, with bi-fold doors opening to a porch overlooking San Francisco. The home's infrastructure includes owned solar, UPS electrical backup plus 3 Tesla Powerwalls, two EV charging locations, whole-property wifi and Sonos. A four-car garage includes a half bath and workshop. Conveniently located in central Piedmont, it’s top-rated schools, the center of town. the new state-of-the-art community pool, Recreation Center and tennis courts. Views: Downtown

MLS #:
41147518
Lot Size
0.75 acres
Type
Single-Family Home
Year Built
1908
Style
Traditional
Views
Panoramic, City Lights, Trees/Woods, Water, Mountain(s), Bridge(s)
School District
Piedmont
County
Alameda County
Community
Central Piedmont

Listed By

Matthew Heafey, Compass
Source
CRMLS
Last checked Sep 21 2026 at 1:31 PM GMT+0000
Bathroom Details
  • Full Bathrooms: 6
  • Half Bathrooms: 3
Interior Features
  • Utility Room
  • Workshop
  • Dryer
  • Washer
  • Eat-In Kitchen
  • Breakfast Area
Subdivision
  • Central Piedmont
Lot Information
  • Back Yard
  • Sprinklers In Front
  • Sprinklers In Rear
  • Sprinklers Timer
  • Garden
  • Sprinklers on Side
  • Sloped Down
Property Features
  • Fireplace: Family Room
  • Fireplace: Living Room
  • Fireplace: Dining Room
  • Fireplace: Gas
  • Fireplace: Multi-Sided
  • Fireplace: Primary Bedroom
  • Foundation: Slab
Heating and Cooling
  • Forced Air
  • Natural Gas
Pool Information
  • In Ground
  • Gunite
  • Pool Cover
  • Gas Heat
Flooring
  • Wood
  • Tile
  • Stone
  • Concrete
Exterior Features
  • Roof: Shingle
Parking
  • Garage Door Opener
  • Garage
  • Covered
Living Area
  • 8,164 sqft
Location
   
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Disclaimer: Based on information from California Regional Multiple Listing Service, Inc. as of {9/21/26 06:31} and /or other sources. Display of MLS data is deemed reliable but is not guaranteed accurate by the MLS. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. The information being provided by Conejo Simi Moorpark Association of REALTORS® (“CSMAR”) is for the visitor's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. Any information relating to a property referenced on this web site comes from the Internet Data Exchange (“IDX”) program of CSMAR. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. Any information relating to a property, regardless of source, including but not limited to square footages and lot sizes, is deemed reliable.