331 Hillside Ave
Piedmont, CA, 94611 $ 10,950,000
Bedrooms6 Baths6.3 Sq 8,164 Monthly Estimate*
$ 69,139
Listed by Matthew Heafey, Compass, matt@heafeybaum.com
for $10,950,000 with 6 bedrooms and 6 full baths, 3 half baths. This 8,164 square foot home was built in 1908 on a lot size of 0.7461.
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
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FeaturesGeneralLiving Area 8164
Heating Forced Air Natural Gas
Cooling None
Possession Negotiable
Roof Shingle
Appliances Dryer Washer
Garage Spaces 4
Patio/Porch Features Deck Front Porch Patio Porch
Architectural Style Traditional
Pool Features Gunite Gas Heat In Ground Pool Cover
Construction Materials Stucco
Year Built 1908
View Bridge(s) City Lights Mountain(s) Panoramic Trees/Woods Water
Levels Three Or More
Property Subtype Single Family Residence
Accessibility None
County Alameda
New Construction false
Property Type Residential
HOA false
Attached Garage true
Subdivision Name CENTRAL PIEDMONT
Garage Y/N true
Other Structures Barn(s) Guest House Storage
Full Baths 6
Status Pending
Directions Cross Street: Oakland.
City Piedmont
High School District Piedmont
Lot Size Units Square Feet
Lot Size Square Feet 32500
Virtual Tour https://websites.open.homes/preview/1f191ad8-6c79-686e-8db7-02ffe917ffb9/mls https://331hillsideavenue.com/
Standard Status Pending
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
Expected Active Date 2026-09-20
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InteriorInterior Amenities Breakfast Area Eat-in Kitchen Utility Room Workshop
Flooring Concrete Stone Tile Wood
Fireplace Features Dining Room Family Room Gas Living Room Primary Bedroom Multi-Sided
Basement (Y/N) true
Air Conditioning Y/N false
Heating Y/N true
Fireplace Y/N true
Half Baths 3
Total Bedrooms 6
Total Baths 9
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ExteriorParking Features Covered Garage Garage Door Opener
Lot Features Back Yard Sloped Down Garden Sprinklers In Rear Sprinklers In Front Sprinklers Timer Sprinklers On Side
Total Parking 4
Lot Size Area 32500
Foundation Details Slab
Lot Size Acres 0.7461
Private Pool false
Lot Size Source Measured
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* Excluded FeaturesList ByMatthew HeafeyListing Agent
Affordability Calculator
- Monthly Principal & Interest
- $69,139
- Monthly Property Taxes
- --
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Piedmont, CA
Average List Price $4,490,125
Percent of Sale Price 59%
About Piedmont, CA 11,076 Population
1% Since 2002
$ 193,263 Median Income
50.25 Median Age
38% Households with Children
Trends Information provided by ATTOM Data Solutions.
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 9/20/2026 | $10,950,000 | | Listed Price |