Contra Costa County, CA homes for sale & real estate

2,684 homes + 21 early access

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ABOUT THIS HOME
Contra Costa County, CA Homes for Sale
Escape to a rare opportunity at a premier 10-acre parcel offering privacy, prestige, and endless possibilities in the heart of Contra Costa County. Surrounded by multimillion dollar estates and sweeping views of Mount Diablo, this flat, usable land is the perfect setting to create a custom luxury retreat or estate. Ideally positioned between San Francisco, Sacramento, Napa Valley, and Discovery Bay the property offers both seclusion and convenience. Enjoy quick airport access, Delta waters, wineries, shopping, parks, surrounding orchards, event venues, and major commuter routes including Highway 4. Located just 15 miles from Livermore and 6 miles from Brentwood, everything you need is withi

$779,999

Land10.35 acres (lot)

3580 Byer Rd, Byron, CA 94514

Sweeping views • Flat usable land

Platinum One Realty & Mortgage

ABOUT THIS HOME
Contra Costa County, CA Homes for Sale
Great lot in Bethel Island! Build your tiny dream home. There are two additional lots available for purchase next door. Call Contra Costa Planning to see what building requirements in the floodplain will be.

$45,000

Land3,443 sq ft (lot)

420 Park Ln, Bethel Island, CA 94511

Listed 234 days

ABOUT THIS HOME
Contra Costa County, CA Homes for Sale
CHECK OUT THIS SIGNIFICANT PRICE IMPROVEMENT! NOW OFFERED AT $1,599,000! . .. BEST LOCATION IN BRENTWOOD! A rare opportunity for buyers, investors or developers looking for land in a desirable area. This lot is approximately 2.68A located on Walnut Blvd, close to Balfour Rd. and Hwy 4, a very high-visibility location. This property offers a variety of difference uses, buyer to verify all potential uses with the City of Brentwood Planning Department.

$1,599,000

Land2.68 acres (lot)

Walnut Blvd, Brentwood, CA 94513

Listed 213 days

ABOUT THIS HOME
Contra Costa County, CA Homes for Sale
Don't miss this rare opportunity in Bethel Island—own just over 319 acres of prime grazing land, complete with a lucrative lease offering over $29,000 in annual rental income. Situated in far East Contra Costa County, this expansive property lies within a rapidly growing area poised for development. Tentative maps already outline plans for over 2,500 new homes, making this a prime investment in the future of the region. Whether you're looking for a business opportunity or a serene rural retreat, this property offers endless possibilities.

$1,999,000

Land319.19 acres (lot)

0 Bethel Island Rd, Bethel Island, CA 94511

Rural retreat • Annual rental income • Business opportunity

ABOUT THIS HOME
Contra Costa County, CA Homes for Sale
Located in the heart of the California Delta, this rare waterfront land opportunity offers the ideal setting for builders, investors, or boating enthusiasts looking to create a custom Delta retreat with direct access to fast water and endless recreation. Positioned near Caliente Harbor, this approximately . 23-acre builder-ready parcel includes two covered 30-foot boat berths and existing utilities already in place, helping streamline future development potential. The location provides quick access to the Delta’s expansive waterway system, making it ideal for fishing, wakeboarding, waterskiing, kayaking, paddleboarding, or cruising to nearby waterfront restaurants and marinas. Surroun

$365,000

Land0.23 acre (lot)

1596 Taylor Rd, Bethel Island, CA 94511

Utilities in place • Covered boat berths • Secure mooring

Property at 3745 Railroad Ave, Pittsburg, CA 94565

$700,000

Land0.48 acre (lot)

3745 Railroad Ave, Pittsburg, CA 94565

Property at 1623 Truman St, Richmond, CA 94801

$245,000

Land5,000 sq ft (lot)

1623 Truman St, Richmond, CA 94801

Property at Camino Diablo, Byron, CA 94514

$699,000

Land4.68 acres (lot)

Camino Diablo, Byron, CA 94514

Property at 408 Park Ln, Bethel Island, CA 94511

$45,000

Land3,608 sq ft (lot)

408 Park Ln, Bethel Island, CA 94511

Property at 412 Park Ln, Bethel Island, CA 94511

$45,000

Land3,374 sq ft (lot)

412 Park Ln, Bethel Island, CA 94511

Property at 0 Willow Rd, Bethel Island, CA 94511

$449,000

Land12.43 acres (lot)

0 Willow Rd, Bethel Island, CA 94511

Property at 0 Old County Rd, Crockett, CA 94525

$499,000

Land1.06 acres (lot)

0 Old County Rd, Crockett, CA 94525

Property at Undisclosed address, Pinole, CA 94564

$399,000

Land1.40 acres (lot)

Undisclosed address, Pinole, CA 94564

Property at 549 6th St, Richmond, CA 94801

$225,000

Land4,200 sq ft (lot)

549 6th St, Richmond, CA 94801

Property at Undisclosed address, Richmond, CA 94804

$998,000

Land0.46 acre (lot)

Undisclosed address, Richmond, CA 94804

Property at 2551 Tunnel Rd, Oakland, CA 94611

$259,000

Land0.35 acre (lot)

2551 Tunnel Rd, Oakland, CA 94611

Property at 3151 Garrity Way, Richmond, CA 94806

$6,250,000

Land2.20 acres (lot)

3151 Garrity Way, Richmond, CA 94806

Property at 551 6th St, Richmond, CA 94801

$225,000

Land4,340 sq ft (lot)

551 6th St, Richmond, CA 94801

$1,100,000

Land13.61 acres (lot)

Byron Hwy, Byron, CA 94514

Property at Undisclosed address, San Pablo, CA 94806

$499,000

Land1.49 acres (lot)

Undisclosed address, San Pablo, CA 94806

$225,000

Land2.31 acres (lot)

Lambert Rd, El Sobrante, CA 94803

$299,000

Land9,000 sq ft (lot)

1248 Metten Ave, Pittsburg, CA 94565

Viewing page 63 of 66

Average home prices near Contra Costa County, CA

Cities

Counties

Marin County homes for sale
$1,350,000
Santa Clara County homes for sale
$1,450,000
Sonoma County homes for sale
$875,000

Contra Costa County, CA real estate trends

All Home Types trends in Contra Costa County, CA

Median Sale Price
# of Homes Sold
Median Days on Market

All Home Types

Median Sale Price (All Home Types)

$778,258

-0.22% YoY | Sep 2026

1 year
3 year
5 year

Based on Redfin calculations of home data from MLS and/or public records.

Location

Data

Sep 2026

Growth

% YoY

Contra Costa County, CA

$778,258

-0.22%

See more Contra Costa County, CA market insights

More to explore in Contra Costa County, CA

How to buy a house in Contra Costa County, CA

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First-time homebuyer's guide

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47 Redfin agents serving Contra Costa County

815

Deals*

4.8

Satisfaction

5868

Homes closed*

* Data from the last year

Popular Markets in California

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