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San Diego, CA

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Seattle, WA

Cost of Living Comparison 2026

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You'd spend $1.5K/month more in Seattle, WA

$150.0K in your current city equals $167.5K in Seattle, WA

Rent data from HUD ZIP-level estimates · COL index from San Diego-Chula Vista-Carlsbad, CA area
Overall Cost
19.4%
More expensive
Monthly Impact
$1,458
Extra cost
Annual Impact
$17.5K
Per year

Based on monthly living costs (rent, groceries, utilities, transport, healthcare). Home purchase prices shown separately below.

San Diego, CA

Population:1387K
Cost Index:100
Median Home:$980K

Seattle, WA

Population:749K
Cost Index:119
Median Home:$808K

San Diego, CA

The Golden State

1.4M
Population
State Tax
Yes
Climate
Semi-arid Mediterranean

Notable Facts

  • Year-round perfect weather
  • Major military presence
  • Biotech hub

Major Industries

MilitaryTechnologyTourismBiotechnology

Seattle, WA

The Evergreen State

749K
Population
State Tax
No Income Tax
Climate
Oceanic

Notable Facts

  • Coffee culture birthplace
  • Major tech center
  • Pacific Northwest gateway

Major Industries

TechnologyAerospaceMaritime TradeCoffee Industry

Cost Breakdown by Category

Annual spending: San Diego, CA vs Seattle, WA

🏠Housing
44.3%
San Diego, CA
$5,223
Seattle, WA
$7,536
Difference
$2,313
more
🚗Transportation
20.9%
San Diego, CA
$1,571
Seattle, WA
$1,899
Difference
$328
more
🏥Healthcare
29.1%
San Diego, CA
$638
Seattle, WA
$824
Difference
$186
more
All Utilities
24.1%
San Diego, CA
$634
Seattle, WA
$481
Difference
$153
less
📦Other
4.4%
San Diego, CA
$1,892
Seattle, WA
$1,975
Difference
$83.70
more
🛒Groceries
0.0%
San Diego, CA
$1,079
Seattle, WA
$1,079
Difference
$0
same

🏠Rent Comparison

Studio
From$2,565
To$2,180
$385
1 Bed
From$2,755
To$2,260
$495
2 Bed
From$3,360
To$2,630
$730
3 Bed
From$4,475
To$3,440
$1,035
San Diego, CAZIP-level data

1BR range: $1,980$3,690/mo

Seattle, WAZIP-level data

1BR range: $1,900$3,210/mo

💡 Note: Rent prices are based on HUD Fair Market Rent data and represent median costs. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$11,037
Monthly in San Diego, CA
$13,794
Monthly in Seattle, WA
$2,757
Difference

Home Values

San Diego
Seattle
$980K
Median Value
$808K
↓ -3%
YoY Change
↓ -2.5%
↑ +37.4%
5-Year Change
↑ +12.5%
$598K - $2.01M
Price Range
$433K - $1.34M

Homes in Seattle are 18% less expensive than San Diego

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
$10.6K
Per year
Monthly Difference
$886
More take-home
Effective Rate Diff
7.1%
Rate difference

San Diego, CA

Federal Income Tax
Effective: 18.9%
$25.5K
California State Tax
Effective: 7.1%
$10.6K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 31.8%
$47.6K
Take-Home Pay
$8,530/month
$102.4K

Seattle, WA

Federal Income Tax
Effective: 18.9%
$25.5K
Washington State Tax
No state income tax
$0
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 24.7%
$37.0K
Take-Home Pay
$9,416/month
$113.0K

Additional Tax Information

San Diego, CA Tax Rates

Sales Tax:10.5%
Property Tax:0.8%

Seattle, WA Tax Rates

Sales Tax:9.2%
Property Tax:0.9%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

San Diego
Seattle
71 Moderate
Air Quality
41 Good
12.8%
Good Air Days
69.7%
100 Very High
Climate Risk
100 Very High
🔥🌊🌡
Top Hazards
🌊🌡🫨
+2.1°F
2050 Outlook
+2.6°F
1 days
Heat Days >95°F
2 days
+2.1°F
2050 Outlook
+2.6°F
1 days
Heat Days >95°F
2 days

💰 See how taxes change too — compare take-home pay between California and Washington on TaxTakeHome.com

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