Cost of Living Comparison Between Brentwood, CA and Seattle, WA
For one person, living is cheaper in Brentwood, CA: $2,609 a month against $3,782 in Seattle, WA, rent and utilities included – about $14,100 less a year. Rent and utilities account for most of the difference.
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Brentwood, CA Living Index126Cost of Living Index in Brentwood, CALearn more -
Seattle, WA Living Index184Cost of Living Index in Seattle, WALearn more
How much you'll spend in Brentwood, CA and in Seattle, WA
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Brentwood, CA and in Seattle, WA actually costs, broken down by who's living it.
Monthly costs for one person with rent: $2,609 in Brentwood, CA versus $3,782 in Seattle, WA.
- Brentwood, CA $2,609
- Seattle, WA $3,782
Estimated couple costs with rent: $4,005 in Brentwood, CA versus $5,636 in Seattle, WA.
- Brentwood, CA $4,005
- Seattle, WA $5,636
Monthly costs for a family of three with rent: $5,401 in Brentwood, CA versus $7,489 in Seattle, WA.
- Brentwood, CA $5,401
- Seattle, WA $7,489
Living in Brentwood, CA costs roughly 31% less than in Seattle, WA, and outside of rent the biggest gap is in transport.
Both cities are pricier than the global median: Brentwood, CA 93% above, Seattle, WA 179% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Brentwood, CA: October 18, 2026
Last update for Seattle, WA: October 19, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A one-bedroom apartment in the center runs $1,791 in Brentwood, CA and $2,445 in Seattle, WA. Housing cost is often the main lever when comparing two cities.
Seattle, WA pays 2% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.
Dining out: $112 in Brentwood, CA vs $98.0 in Seattle, WA. Groceries flip the comparison at $466 vs $546, with Brentwood, CA cheaper for home cooking.
- Brentwood, CA Seattle, WA 1,080 km ≈ 1 h 45 min nonstop flight
- Brentwood, CA
- Seattle, WA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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