Last update: Oct 2026

Cost of Living Comparison Between Seattle, WA and Castro Valley, CA

For one person, living is cheaper in Castro Valley, CA: $3,363 a month against $3,782 in Seattle, WA, rent and utilities included – about $5,000 less a year. Other living expenses account for most of the difference.

184

Cost of Living Index in Seattle, WA
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Seattle, WA Living Index
162

Cost of Living Index in Castro Valley, CA
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Castro Valley, CA Living Index

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Seattle, WA

🇺🇸 United States

$3,782

/mo nomad

Castro Valley, CA

🇺🇸 United States

$3,363

/mo nomad

Monthly Cost of Living

How much you'll spend in Seattle, WA and in Castro Valley, CA

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Seattle, WA and in Castro Valley, CA actually costs, broken down by who's living it.

Monthly costs for one person with rent: $3,782 in Seattle, WA versus $3,363 in Castro Valley, CA.

Seattle, WA $3,782
Castro Valley, CA $3,363

Estimated couple costs with rent: $5,636 in Seattle, WA versus $4,211 in Castro Valley, CA.

Seattle, WA $5,636
Castro Valley, CA $4,211

Monthly costs for a family of three with rent: $7,489 in Seattle, WA versus $5,060 in Castro Valley, CA.

Seattle, WA $7,489
Castro Valley, CA $5,060

Living in Seattle, WA is roughly 12% more expensive than in Castro Valley, CA, and outside of rent the biggest gap is in transport.

Both cities are pricier than the global median: Seattle, WA 179% above, Castro Valley, CA 148% above.

Meal at Budget Restaurant

$24.52 $24.52

$21.70 $21.70

13.00%

Three-Course Dinner for Two, Mid-Range

$98.2 $98.2

$79.9 $79.9

22.91%

Fast Food Meal (McDonalds, etc)

$14.79 $14.79

$12.06 $12.06

22.64%

Cappuccino

$6.52 $6.52

$5.62 $5.62

16.01%

Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)

$3.23 $3.23

$3.00 $3.00

7.67%

Water (0.33 liter bottle)

$3.17 $3.17

$2.80 $2.80

13.21%

Local Beer (0.5 liter draught)

$7.85 $7.85

$6.12 $6.12

28.27%

Imported Beer (0.33 liter bottle)

$8.03 $8.03

$7.31 $7.31

9.85%

Milk (1 liter)

$1.21 $1.21

$1.46 $1.46

-17.12%

White Bread (500g)

$5.14 $5.14

$4.43 $4.43

16.03%

Rice (white) (1kg)

$6.05 $6.05

$5.77 $5.77

4.85%

Eggs

$4.88 $4.88

$6.29 $6.29

-22.42%

Local Cheese (1kg)

$19.18 $19.18

$15.15 $15.15

26.60%

Chicken Fillets (1kg)

$18.91 $18.91

$13.05 $13.05

44.90%

Beef Round Steak (1kg)

$23.31 $23.31

$22.13 $22.13

5.33%

Apples (1kg)

$5.99 $5.99

$5.58 $5.58

7.35%

Banana (1kg)

$1.93 $1.93

$2.62 $2.62

-26.34%

Oranges (1kg)

$5.25 $5.25

$4.51 $4.51

16.41%

Tomato (1kg)

$6.57 $6.57

$4.61 $4.61

42.52%

Potato (1kg)

$3.62 $3.62

$3.57 $3.57

1.40%

Onion (1kg)

$3.31 $3.31

$4.68 $4.68

-29.27%

Lettuce (1 head)

$2.78 $2.78

$2.46 $2.46

13.01%

Water (1.5 liter bottle)

$2.51 $2.51

$1.02 $1.02

146.08%

Cigarettes 20 Pack (Marlboro, Camel)

$12.18 $12.18

$11.56 $11.56

5.36%

Wine (Bottle)

$14.83 $14.83

$17.41 $17.41

-14.82%

Local Beer (0.5 liter bottle)

$4.22 $4.22

$1.68 $1.68

151.19%

Imported Beer (0.33 liter bottle)

$5.77 $5.77

$2.81 $2.81

105.34%

One-way Ticket (Public Transport)

$2.95 $2.95

$3.19 $3.19

-7.52%

Public Transport Monthly Pass (Regular Price)

$106 $106

Taxi Start (Normal Tariff)

$2.65 $2.65

$3.47 $3.47

-23.63%

Taxi (Normal Tariff) (1km)

$1.72 $1.72

$1.89 $1.89

-8.99%

Taxi 1hour Waiting (Normal Tariff)

$29.72 $29.72

$40.52 $40.52

-26.65%

Gasoline (1 liter)

$1.49 $1.49

$1.54 $1.54

-3.25%

Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)

$35.9K $35.9K

$27.8K $27.8K

29.26%

Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)

$26.2K $26.2K

$26.3K $26.3K

-0.17%

Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)

$302 $302

$185 $185

63.11%

SIM Card Monthly Plan (Calls and 10GB+ Data)

$70.1 $70.1

$62.9 $62.9

11.41%

Internet (50+ Mbps, Unlimited Data)

$85.3 $85.3

$60.8 $60.8

40.34%

Gym Membership (Monthly)

$77.8 $77.8

$40.85 $40.85

90.55%

Tennis Court (1 Hour on Weekend)

$34.58 $34.58

Cinema Ticket

$17.84 $17.84

$14.95 $14.95

19.33%

Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)

$2,973 $2,973

$2,500 $2,500

18.92%

International Primary School, 1 Child (Yearly)

$31.3K $31.3K

$35.1K $35.1K

-10.96%

Jeans (Levis 501 Or Similar)

$76.6 $76.6

$40.38 $40.38

89.60%

Summer Dress (H&M, Zara, etc)

$54.1 $54.1

$35.54 $35.54

52.08%

Sport Shoes (Adidas, Nike)

$128 $128

$76.4 $76.4

67.83%

Men's Leather Business Shoes

$164 $164

$50.9 $50.9

222.29%

1-bedroom Apartment, City Center (Monthly)

$2,445 $2,445

$2,260 $2,260

8.20%

1-bedroom Apartment, Outside City Center (Monthly)

$1,947 $1,947

$2,061 $2,061

-5.53%

3-bedroom Apartment, City Center (Monthly)

$4,744 $4,744

$2,469 $2,469

92.12%

3-bedroom Apartment, Outside City Center (Monthly)

$3,469 $3,469

$2,112 $2,112

64.24%

Buy Apartment in City Center (m2)

$7,367 $7,367

$2,712 $2,712

171.67%

Buy Apartment Outside City Center (m2)

$5,127 $5,127

$2,368 $2,368

116.53%

Average Monthly Net Salary (After Tax)

$6,506 $6,506

$5,708 $5,708

13.98%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.89

6.62

4.08%

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for Seattle, WA: October 19, 2026

Last update for Castro Valley, CA: October 19, 2026

Monthly budget structure

Share of the monthly basket for one person, rent included.

Accommodation & Living

Seattle, WA

$1.9K 51.5%

Castro Valley, CA

$2.1K 61.3% 5.9% $114

Groceries & Markets

Seattle, WA

$546 14.4%

Castro Valley, CA

$460 13.7% 15.7% $86

Monthly Utilities & Internet

Seattle, WA

$457 12.1%

Castro Valley, CA

$309 9.2% 32.5% $148

Eating Out

Seattle, WA

$400 10.6%

Castro Valley, CA

$346 10.3% 13.5% $54

Clothing & Footwear

Seattle, WA

$190 5%

Castro Valley, CA

$91 2.7% 51.9% $99

Getting Around

Seattle, WA

$129 3.4%

Castro Valley, CA

$26 * 0.8% 80.1% $104

Sport & Entertainment

Seattle, WA

$114 3%

Castro Valley, CA

$71 2.1% 37.7% $43

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 $2,445 in Seattle, WA and $2,260 in Castro Valley, CA. Housing cost is often the main lever when comparing two cities.

Seattle, WA pays 14% 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: $98.0 in Seattle, WA vs $80.0 in Castro Valley, CA for a mid-range dinner for two. Groceries echo the gap at $546 vs $460 per month, with Castro Valley, CA cheaper across the board.

Good to know

🇺🇸 Seattle, WA

🇺🇸 Castro Valley, CA

🕒 Local time

00:37 12:37 AM

Same time as Seattle, WA

🌤 Weather

👥 Population

737,015

61,388

💱 Currency

United States Dollar USD $

📈 Exchange rate

1 USD = 0.89 EUR

Exchange rates and currency converter

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Between locations

Seattle, WA Castro Valley, CA 1,100 km ≈ 2 h nonstop flight

From you

Seattle, WA
Castro Valley, CA

Distances are measured in a straight line. Your location is detected approximately.

City Median Internet Speeds Comparison (Updated April 2026)

The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.

Digital Nomad Cost of Living Index

Seattle, WA vs Castro Valley, CA: Cost of Living - Frequently Asked Questions

Seattle, WA and Castro Valley, CA differ by about 12% in total monthly costs ($3,782 vs $3,363 including rent). Castro Valley, CA is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.

Average pay runs 14% higher in Seattle, WA, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.

Rent for a central apartment: $2,445 in Seattle, WA versus $2,260 in Castro Valley, CA. Housing is usually the single largest factor when comparing overall living costs between the two.

Supermarket bills run roughly 19% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.

All in, you'll spend $3,782 per month in Seattle, WA versus $3,363 in Castro Valley, CA – a 12% gap that adds up to real savings over time for anyone picking the cheaper option.

Both cities are expensive relative to $3,000. Castro Valley, CA is the more realistic option, but even there you'll need to be disciplined with housing, food, and fun money.

Both cities offer a good standard of living with different trade-offs. Neither is objectively better – the right pick depends on what matters most: affordability, career, cultural scene, or climate.

Safety-wise, Seattle, WA and Castro Valley, CA are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.

Expats usually find Castro Valley, CA gentler on the wallet – expenses run 12% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.