COMPARE COST OF LIVING
King County, WA→Contra Costa County, CA
This estimate matches your purchasing power (equivalent salary) when moving from King County, WA to Contra Costa County, CA.
* Living index is estimated from (estimated total cost / median_income of area) * 100.A living index above 100% means costs exceed median income.
Cost of Living Breakdown by Category
Summary/TLDR:
If you were to move to Contra Costa County, CA from King County, WA would be, though moderately, more expensive overall. You would spend an estimated additional $2,372 per year (a 3.23% increase). To keep the same lifestyle, you’d likely want your income to be at least 3.23% higher in this new location. Moving can lead to meaningful savings especially in Housing, Food, and Other Costs According to the Economic Policy Institute’s 2026 Family Budget data, King County, WA's Housing costs are 14.95% higher ($27,361 vs. $23,270), driving a large part of the cost difference. Movers could potentially save $4,091 in annual expenses. Transport, Healthcare and Taxes costs for Contra Costa County, CA , however, rise slightly.
Since Housing is one of the biggest drivers of living costs, this gap alone can noticeably change how the move feels month to month. Because housing is usually the largest line item in a budget, this gap alone can make the move feel noticeably cheaper or more expensive.
Below we break down the key differences driving this gap.
What changed the most?
The following numbers represent which categories have the highest and lowest cost increase when moving to Contra Costa County, CA.
$14,340 per year
TAXES costs are highest in Contra Costa County, CA.
$23,270 per year
HOUSING costs are lowest in Contra Costa County, CA.
Breakdown of price percentages per category.
Numbers are average costs per section.
| Category | Difference | |
|---|---|---|
| Housing | -14.95% lower | |
| Food | -3.79% lower | |
| Transport | 17.94% higher | |
| Healthcare | 44.17% higher | |
| Other Costs | -13.18% lower | |
| Taxes | 26.32% higher |
In your new location your total average costs would be $75827.00 compared to your previous average costs of $73455.00.
The higher price could be attributed to different factors. For example, larger differences, the delta could be attributed to the fact that a city is a metropolitan location.
In this case Contra Costa County, CA and King County, WA are both metropolitan locations.
Use our map to visually compare multiple counties at once.
