Explore Luxury Living in Diablo, CA Neighborhood

Known for its exclusive and private residential estates and home to Diablo Country Club, an esteemed private club nestled within the picturesque hills of Danville, California

Diablo CA Real Estate & Country Club Estate Guide

Diablo CA Real Estate & Community Guide

Diablo CA is an exclusive, historic unincorporated enclave located in Contra Costa County, California, tucked at the base of Mount Diablo between Danville and Alamo in zip code 94528. Real estate in Diablo California ranges from $2,500,000 for renovated country residences to over $11,500,000 for grand historic Spanish Haciendas and custom golf course compounds along Alameda Diablo and Calle Arroyo. Diablo offers private country club living, oak-canopied roads without streetlights, and direct access to Diablo Country Club for executives, privacy seekers, and equestrian enthusiasts.

$3,900,000 Median Sale Price (Redfin/MLS)
$910 / sq ft Average Price Per Sq. Ft.
35 Days Median Days on Market
94528 Diablo Community Zip Code

Historic Enclave Spectrum

Diablo CA 94528 Submarket Matrix

Diablo Sector / Corridor

Primary Architecture

Setting & Access Specifications

Target Price Spectrum

Alameda Diablo & Calle Arroyo Golf Frontage

Grand Spanish Haciendas, Custom Country Club Estates & Moderns

Direct Diablo Country Club fairways & double-gated grounds

$4,500,000 – $11,500,000+

La Cadena & Mount Diablo Border

Country Craftsman, Expanded Single-Level Ranches & Cottages

Peaceful oak-canopied private roads near Mount Diablo State Park

$2,800,000 – $5,500,000

Diablo Club Neighborhood

Historic Mid-Century Estates & Renovated Spanish Villas

Walkable to historic Diablo Country Club clubhouse & tennis courts

$2,500,000 – $4,800,000

Country Club Lifestyle & Culture

Living in Diablo California: Golf, Schools & Diablo Road Access

Acquiring real estate in Diablo CA connects owners to a 100-year-old historic resort community. Originating as a summer retreat around Diablo Country Club, the enclave maintains its classic Post Office, golf carts on roads, and unmatched privacy.

Historic Diablo Country Club

Featuring a championship 18-hole golf course, Olympic pool, tennis and pickleball courts, and a newly renovated clubhouse for social dining.

Top-Rated San Ramon Valley Schools

Feeds into top-tier public schools including Green Valley Elementary, Los Cerros Middle School, and San Ramon Valley High School in nearby Danville.

Diablo Road & Commute Corridors

Positioned along Diablo Road, providing 5-minute access to Downtown Danville dining and Interstate 680 for smooth Bay Area travel.

East Bay Luxury Real Estate Authority

Represented by The Mary Bonham Team | The Agency

With over 25 years of experience and $500,000,000 in sales, Mary Bonham and Erin Carrigg specialize in Diablo historic properties, including notable sales along Alameda Diablo and Calle Arroyo. Contact our team for discreet Diablo representation.

Frequently Asked Questions

Diablo California FAQ

What is the zip code for Diablo CA?

The zip code for Diablo California is 94528. Diablo has its own historic Post Office located in the center of the community.

Is Diablo CA a city or an unincorporated community?

Diablo is an unincorporated residential community located in Contra Costa County, California, managed by the Diablo Community Services District (DCSD).

How far is Diablo CA from Danville and Alamo?

Diablo directly borders Danville to the west and Alamo to the north, situated just 2 miles from Downtown Danville along Diablo Road.

Verified Property Resources

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Danville Homes for Sale

Danville Real Estate Search

Explore active listings, Blackhawk estates, and Westside Danville homes with The Mary Bonham Team.

Alamo Community Guide

Alamo Real Estate Guide

Explore half-acre acreage estates, Round Hill Country Club homes, and quiet luxury in Alamo, CA 94507.

Meet The Team

Mary Bonham & Erin Carrigg

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Featured Property Portfolio

Featured Luxury Listings

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The Agency Luxury Advisory

Find Your Home in Diablo California

Partner with Mary Bonham and The Agency for private estate evaluations, Alameda Diablo showings, and off-market Diablo inventory.

Market metrics compiled from Contra Costa Association of REALTORS® (CCAR MLS) sales records and Redfin market trends. Current through August 2026.

Diablo is an exceptionally exclusive, historic unincorporated community nestled directly at the picturesque base of Mount Diablo State Park in Contra Costa County. This quiet, tree-canopied enclave offers an unmatched level of seclusion and privacy while maintaining immediate proximity to the upscale amenities of neighboring Danville. The neighborhood’s social and recreational lifestyle centers around the esteemed, historic Diablo Country Club, providing premier golf, wellness facilities, and elegant country-club events.

The luxury housing market in Diablo is characterized by unique custom-built architectural styles, ranging from historic ranch-style compounds to multi-million dollar sprawling modern estates. While luxury properties routinely command multi-million dollar investments, asset values remain insulated due to the ultra-low density zoning, mature oaks, and scenic mountain topography. Families are attracted to the neighborhood's inclusion within the top-ranked San Ramon Valley Unified School District and proximity to local favorites like Green Valley Elementary.

Prospective homeowners pursuing exclusive luxury assets in the valley often cross-reference local inventory against the sprawling lots found in our Alamo neighborhood guide or search for premium properties via our Danville real estate portal. You can evaluate the entire San Ramon Valley residential landscape by visiting our master East Bay neighborhoods index. Rely on Mary Bonham and The Mary Bonham Team for the discrete, elite professional representation required to secure a home in this legendary community.

Diablo, California is an exclusive and affluent unincorporated community nestled in the hills of Contra Costa County. Here's what it's like to live in Diablo:

Exclusivity and Privacy: Diablo is known for its exclusive and private residential estates, offering residents a secluded and luxurious lifestyle. Many homes in Diablo are situated on large lots surrounded by rolling hills, mature trees, and stunning vistas, providing a sense of serenity and tranquility.

Proximity to Amenities: While Diablo offers a secluded feel, it's conveniently located near neighboring towns such as Danville and Walnut Creek, providing residents with easy access to a variety of amenities, including shopping, dining, entertainment, and cultural attractions.

Home to Diablo Country Club: The Diablo Country Club is an esteemed private club located in Diablo, California, nestled within the picturesque hills of Contra Costa County. Established in 1914, the Diablo Country Club has a rich history spanning over a century. It was founded by a group of local residents who shared a passion for golf and sought to create a premier recreational and social destination in the area. The Diablo Country Club is renowned for its championship golf course, which offers members a challenging and scenic playing experience. Designed by renowned golf course architect Jack Neville, the course features immaculately maintained fairways, greens, and stunning views of the surrounding landscape. Members can enjoy a variety of golf amenities, including practice facilities, tournaments, and professional instruction. In addition to golf, Diablo Country Club offers members a diverse array of social and recreational activities to enjoy throughout the year. These may include tennis, swimming, fitness facilities, and organized events such as wine tastings, holiday celebrations, and family-oriented activities. Diablo Country Club is more than just a golf and social club; it's a tight-knit community steeped in tradition and camaraderie. Members often forge lasting friendships and cherish the club's heritage, making it a cherished part of their lives.

Tight-Knit Community: Despite its small size, Diablo has a tight-knit and close community atmosphere. Residents take pride in their community and often come together for social events, neighborhood gatherings, and volunteer activities. This sense of camaraderie fosters strong bonds among neighbors and creates a welcoming environment for residents.

Top-Rated Schools: Families in Diablo benefit from access to top-rated schools within the San Ramon Valley Unified School District. These schools are known for their academic excellence, dedicated teachers, and comprehensive extracurricular programs.

Security and Safety: Diablo has a reputation for being a safe and secure community, with low crime rates and a strong sense of security among residents. This peace of mind allows residents to enjoy their surroundings and focus on the quality of life that Diablo offers.

Overall, living in Diablo offers a combination of luxury, natural beauty, privacy, and community, making it a highly desirable place to call home for those seeking an upscale suburban lifestyle in the San Francisco Bay Area.



Overview for Diablo, CA

1,072 people live in Diablo, where the median age is 37.7 and the average individual income is $102,363. Data provided by the U.S. Census Bureau.

1,072

Total Population

37.7 years

Median Age

High

Population Density Population Density This is the number of people per square mile in a neighborhood.

$102,363

Average individual Income

Around Diablo, CA

There's plenty to do around Diablo, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.

4
Car-Dependent
Walking Score

Points of Interest

Explore popular things to do in the area, including Estakhri Field at Athenian School, and Lindsay Steffens Montgomery.

Name Category Distance Reviews
Ratings by Yelp
Active 0.61 miles 1 review 4/5 stars
Beauty 0.4 miles 2 reviews 5/5 stars

Demographics and Employment Data for Diablo, CA

Diablo has 385 households, with an average household size of 2.78. Data provided by the U.S. Census Bureau. Here’s what the people living in Diablo do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau.

1,072

Total Population

High

Population Density Population Density This is the number of people per square mile in a neighborhood.

37.7 years

Median Age

42 / 58%

Men vs Women

Population by Age Group

0-9:

0-9 Years

10-17:

10-17 Years

18-24:

18-24 Years

25-64:

25-64 Years

65-74:

65-74 Years

75+:

75+ Years

Education Level

  • Less Than 9th Grade
  • High School Degree
  • Associate Degree
  • Bachelor Degree
  • Graduate Degree
385

Total Households

2.78

Average Household Size

$102,363

Average individual Income

Households with Children

With Children:

Without Children:

Marital Status

Married
Single
Divorced
Separated

Blue vs White Collar Workers

Blue Collar:

White Collar:

Commute Time

0 to 14 Minutes
15 to 29 Minutes
30 to 59 Minutes
60+ Minutes

Schools in Diablo, CA

All ()
Primary Schools ()
Middle Schools ()
High Schools ()
Mixed Schools ()
The following schools are within or nearby Diablo. The rating and statistics can serve as a starting point to make baseline comparisons on the right schools for your family. Data provided by the U.S. Census Bureau.
Type
Name
Category
Grades
School rating
Diablo

Property Listings

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