300 Camille Ave

Alamo, CA
$ 12,800,000 Beds 6 Baths 7.5 Sq 8,842
Monthly Estimate* How much can I afford?

300 Camille Avenue, known as the Ball Estate, is a gated Westside Alamo landmark offering unprecedented grounds, history, and timeless elegance. Set on approximately 3.98 flat acres, this legacy property captures the essence of refined luxury living. The residence spans over 8,800± sq ft across two levels, showcasing exquisite millwork, new appliances, formal and informal entertaining spaces, soaring ceilings, and lower level bonus room. The grounds are truly exceptional—anchored by majestic, mature redwoods that create a sense of privacy and serenity rarely found. Expansive, sun-drenched lawns stretch across the property, offering endless possibilities, including space for an ADU, while the natural canopy and thoughtful layout provide a peaceful, secluded retreat. In addition to the estate’s incredible privacy, it remains ideally positioned just a short distance from the Iron Horse Trail and surrounding hiking paths, seamlessly blending nature and convenience. Downtown Alamo and Danville are only minutes away, offering easy access to top-tier dining, boutique shopping, and everyday amenities. Designed for both grand entertaining and everyday living, the property also features a 1,579 sq ft pool house, an oversized resort-style pool, and a detached bar—creating a private, resort-like setting that feels worlds away, yet close to everything.

Active

  • Price
  • $ 12,800,000
  • City
  • Alamo
  • Bedrooms
  • 6
  • Full Bathrooms
  • 7
  • County
  • Contra Costa
  • Half Bathrooms
  • 1
  • Area
  • Lot Size
  • 3.98 Acres
  • Zip
  • 94507
  • Sqr Footage
  • 8,842
  • Year Built
  • 1912
  • Style
  • Custom Traditional
  • MLS#
  • 41134276
Listed By: Khrista Jarvis with Coldwell Banker Realty; 925-856-0782
Data Source: Bay East MLS, CCAR MLS, or bridgeMLS

Features

General

Living Area 8842
Sewer Septic Tank,Public Sewer
Heating Central
Cooling Central Air
Roof Slate
Appliances Dishwasher,Electric Range,Oven,Refrigerator,Dryer,Washer
Architectural Style Custom,Traditional
Pool Features In Ground,Pool House,Outdoor Pool
Construction Materials Stucco
Year Built 1912
Electric No Solar
View Trees/Woods
Stories Count 2
Levels Two Story
Property Subtype Detached
County Contra Costa
New Construction false
Property Type Residential
HOA false
Subdivision Name West Side Alamo
Garage Y/N true
Other Structures Shed(s)
Total Rooms 18
Full Baths 7
Status Active
Directions Danville Blvd to Camille Ave
City Alamo
High School District San Ramon Valley (925) 552-5500
MLS Area Listing
Lot Size Square Feet 173369
Property Condition Existing
Standard Status Active
Elementary School District San Ramon Valley (925) 552-5500

Interior Features

Interior Amenities Au Pair,Den,Dining Area,Family Room,Formal Dining Room,Office,Storage,Utility Room,Breakfast Bar,Breakfast Nook,Pantry,Updated Kitchen
Flooring Hardwood,Tile,Carpet
Total Fireplaces 3
Fireplace Features Family Room,Living Room,Master Bedroom,Wood Burning
Air Conditioning Y/N true
Heating Y/N true
Window Features Bay Window(s)
Fireplace Y/N true
Laundry Features Dryer,Laundry Room,Washer,Cabinets,Laundry Chute,Sink
Total Bedrooms 6
Kitchen Features Breakfast Bar,Breakfast Nook,Stone Counters,Dishwasher,Eat-in Kitchen,Electric Range/Cooktop,Kitchen Island,Oven Built-in,Pantry,Refrigerator,Updated Kitchen
Total Baths 8
1/2 Baths 1

Exterior Features

Exterior Amenities Garden,Back Yard,Garden/Play,Storage,Landscape Back,Landscape Front,Private Entrance
Parking Features Carport,Drive Through,Parking Spaces,Private
Lot Features Level,Premium Lot,Back Yard,Landscaped,Private,Security Gate
Water Source Public,Well - Agricultural
Lot Size Area 3.98
Building Area Total 8842
Lot Size Acres 3.98
ADU Y/N false

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Newark, CA office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
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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.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School
High School Unknown High School

Price History

5/27/2026 Listed $12,800,000

Property vs Zip Code Average in 94507

Price
AVG $4M
$12.8M
Year Built
AVG 1982
1912

Areas That We Cover

300 Camille Ave Alamo, CA is a Single Family Home for sale at $12800000 with 8842 sqft and a lot size of 3.98 Acres Acre(s). 300 Camille Ave Alamo has 6 bedrooms, 7 baths and was built in 1912. The property's zip code is 94507 which is in Alamo, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: 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.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.