Which ZIP code in Contra Costa County has the highest share of owner-occupied homes?

94528 (Diablo), at 100.0% (±9.5%), among 43 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the highest homeownership in Contra Costa County, CA

These are the 25 ZIP codes in Contra Costa County with the highest share of owner-occupied homes, out of 43 with at least 1,000 residents. 94528 (Diablo, 100.0%), 94507 (Alamo, 91.9%) and 94563 (Orinda, 91.2%) lead the list. There is no single "best" ZIP code in Contra Costa County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the highest homeownership in Contra Costa County

Rank	ZIP	Mailing city	Owner-occupied homes	Residents	Households	Residential mailboxes
1	94528	Diablo	100.0% ±9.5%	1,049	424	—
2	94507	Alamo	91.9% ±3.2%	14,586	5,098	5,496
3	94563	Orinda	91.2% ±2.9%	19,378	7,218	7,247
4	94505	Discovery Bay	90.2% ±3.7%	14,970	5,446	5,987
5	94517	Clayton	89.2% ±4.6%	12,316	4,511	4,615
6	94506	Danville	88.1% ±2.5%	27,055	9,185	8,802
7	94707	Berkeley	87.5% ±3.0%	12,811	5,267	5,191
8	94708	Berkeley	85.0% ±3.0%	11,947	4,800	4,846
9	94526	Danville	84.1% ±3.0%	32,584	11,843	12,489
10	94556	Moraga	82.9% ±3.5%	15,998	5,614	6,003
11	94513	Brentwood	81.9% ±2.3%	69,755	22,390	23,743
12	94595	Walnut Creek	81.9% ±3.6%	16,988	9,368	10,249
13	94564	Pinole	79.4% ±3.8%	18,761	6,588	7,246
14	94547	Hercules	79.2% ±3.9%	26,302	9,355	9,220
15	94549	Lafayette	78.9% ±2.4%	28,420	10,682	11,250
16	94561	Oakley	77.9% ±4.2%	46,368	14,105	15,581
17	94598	Walnut Creek	76.3% ±2.8%	27,206	10,828	10,876
18	94521	Concord	74.3% ±2.6%	41,909	15,938	16,116
19	94531	Antioch	73.2% ±3.3%	46,387	13,905	15,350
20	94803	El Sobrante	72.8% ±3.7%	27,659	9,562	9,620
21	94553	Martinez	72.3% ±2.1%	48,643	19,141	20,109
22	94583	San Ramon	72.1% ±2.7%	39,583	13,890	14,426
23	94519	Concord	70.9% ±5.0%	19,058	7,043	7,200
24	94551	Livermore	70.6% ±4.0%	37,885	14,052	14,716
25	94582	San Ramon	70.3% ±3.1%	47,424	16,466	16,067

How we ranked them

Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 43 of 47 qualify.

Which of these to mail, and why

Homeowners make the decisions about roofs, HVAC, lawns, solar and insurance. A high owner share means fewer pieces wasted on renters who can't hire the work.

The top five ZIP codes on this list hold 22,697 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 94528 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Contra Costa County has the highest share of owner-occupied homes?: 94528 (Diablo), at 100.0% (±9.5%), among 43 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of occupied homes that are owner-occupied (ACS 5-year estimates, 2020–2024).
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.