Safety & registry resources

Review official public-safety information for any area from these government sources:

U.S. Dept. of Justice National Sex Offender Public Website (NSOPW)
FBI: state sex-offender registry directory

4 Bedroom Homes in Diablo, CA

Buy

Start here

Homes for sale by state
Home buying tips
Before you start looking
The buying timeline

Afford it

Today's mortgage rates
Mortgage calculator
How much can I afford?
Get pre-approved

Make the deal

Writing a winning offer
Inspections & appraisals
Closing costs, itemized
Find a buyer's agent

Save search Advertise Sign In

Saved homes Saved searches Your tours Your inquiries Recently viewed Account settings

2 listings

Sell

Selling Options

What's my home worth?
Compare selling options
Get an instant cash offer
Buy before you sell

Resources

How selling works
When should I sell?
Home selling tips
Pricing your home
What's worth fixing first
Find a seller's agent

Home Loans

Find an Agent

Save search

4 Bedroom Homes in Diablo, CA

Hide Map

2 Listings

Map

4 Bedroom Homes in Diablo, CA

Hide Map

2 Listings

Map

4 Bedroom Homes in Diablo, CA

2 Listings

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

34Active
$3,585,000
4 bd · 3 ba · 3,699 sqft
110 El Nido Court, Diablo, CA
Marilee Headen · Compass
Price Reduced55Active
$2,388,888
4 bd · 3 ba · 2,404 sqft
8 Calle Del Casarillo, Diablo, CA
Mike Daoudi · Alexander Nunez, Broker

Listing data & MLS disclosures

Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

About 4 Bedroom Homes in Diablo, CA

4 Bedroom Homes in Diablo, CA: 2 active listings as of October 13, 2026, 17:07 UTC.

Diablo housing market

September 2026 · This period is still settling

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 9, 2026

Median home size: 3,923 sq. ft.

Diablo, CA community profile

Area: 0.6 sq. mi.

Source: HJN community data

L. Custen Realty, Inc. d/b/a Realty.com/L. Custen Realty CT, LLC d/b/a Realty.com (Tom O’Leary-Broker)(CT properties only), 8323 Southwest Freeway, Suite 900, Houston, Texas 77074

The information provided by this website is for the personal, non-commercial use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Listing data is derived from various Multiple Listing Services; each source MLS and its required disclaimer are shown with the listings on the applicable page. Realty.com is an independently owned and operated brokerage.

Listing data & MLS disclosures

Contra Costa Association of REALTORS: Bay East ©2026. CCAR ©2026. bridgeMLS ©2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

Your local brokerage

Thomas O'Leary

Realty.com

Lic. #01840925

Call Thomas

Diablo, CA community profile

Area: 0.6 sq. mi.

Source: HJN community data

Diablo housing market

September 2026 · This period is still settling

Housing stock — every home in the area, not only the ones selling or listed · Assessor records, as of Sep 9, 2026

Median home size: 3,923 sq. ft.