Cost of Living Comparison Between Foster City, CA and Seattle, WA Cost of Living Comparison Between Foster City, CA and Seattle, WA

Monthly Cost of Living

A single person spends $4,030 per month in Foster City, CA vs $3,583 in Seattle, WA, rent included.

A couple spends around $5,858 per month in Foster City, CA vs $5,632 in Seattle, WA, rent included.

A family of three spends $7,685 per month in Foster City, CA vs $7,681 in Seattle, WA, rent included.

Foster City, CA costs about 12% more than Seattle, WA, driven mainly by Groceries & Markets.

Both Foster City, CA and Seattle, WA sit above the global median – Foster City, CA by 201%, Seattle, WA by 168%.

Meal at Budget Restaurant

$15.23 $15.23

$24.97 $24.97

-39.01%

Three-Course Dinner for Two, Mid-Range

$70.2 $70.2

$119 $119

-41.23%

Fast Food Meal (McDonalds, etc)

$10.85 $10.85

$13.90 $13.90

-21.94%

Cappuccino

$4.97 $4.97

$5.56 $5.56

-10.61%

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

$3.26 $3.26

$3.06 $3.06

6.54%

Water (0.33 liter bottle)

$2.50 $2.50

$2.47 $2.47

1.21%

Local Beer (0.5 liter draught)

$8.86 $8.86

$7.96 $7.96

11.31%

Imported Beer (0.33 liter bottle)

$11.09 $11.09

$8.01 $8.01

38.45%

Milk (1 liter)

$1.06 $1.06

$1.34 $1.34

-20.90%

White Bread (500g)

$3.33 $3.33

$5.05 $5.05

-34.06%

Rice (white) (1kg)

$2.19 $2.19

$5.36 $5.36

-59.14%

Eggs

$2.91 $2.91

$6.59 $6.59

-55.84%

Local Cheese (1kg)

$16.31 $16.31

$25.31 $25.31

-35.56%

Chicken Fillets (1kg)

$11.14 $11.14

$16.19 $16.19

-31.19%

Beef Round Steak (1kg)

$19.82 $19.82

$20.30 $20.30

-2.36%

Apples (1kg)

$6.06 $6.06

$5.97 $5.97

1.51%

Banana (1kg)

$2.54 $2.54

$2.74 $2.74

-7.30%

Oranges (1kg)

$4.96 $4.96

$5.36 $5.36

-7.46%

Tomato (1kg)

$3.34 $3.34

$6.61 $6.61

-49.47%

Potato (1kg)

$3.27 $3.27

$3.25 $3.25

0.62%

Onion (1kg)

$4.47 $4.47

$3.79 $3.79

17.94%

Lettuce (1 head)

$3.02 $3.02

$2.73 $2.73

10.62%

Water (1.5 liter bottle)

$1.48 $1.48

$2.53 $2.53

-41.50%

Cigarettes 20 Pack (Marlboro, Camel)

$11.07 $11.07

$11.31 $11.31

-2.12%

Wine (Bottle)

$14.90 $14.90

$16.28 $16.28

-8.48%

Local Beer (0.5 liter bottle)

$2.37 $2.37

$2.85 $2.85

-16.84%

Imported Beer (0.33 liter bottle)

$3.41 $3.41

$4.16 $4.16

-18.03%

One-way Ticket (Public Transport)

$3.81 $3.81

$2.69 $2.69

41.64%

Public Transport Monthly Pass (Regular Price)

$191 $191

$97.1 $97.1

96.62%

Taxi Start (Normal Tariff)

$3.42 $3.42

$2.71 $2.71

26.20%

Taxi (Normal Tariff) (1km)

$1.96 $1.96

$1.73 $1.73

13.29%

Taxi 1hour Waiting (Normal Tariff)

$30.16 $30.16

$29.46 $29.46

2.38%

Gasoline (1 liter)

$1.32 $1.32

$1.20 $1.20

10.00%

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

$30.6K $30.6K

$33.6K $33.6K

-9.02%

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

$26.6K $26.6K

$26.0K $26.0K

2.30%

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

$275 $275

$266 $266

3.11%

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

$47.78 $47.78

$60.4 $60.4

-20.95%

Internet (50+ Mbps, Unlimited Data)

$66.9 $66.9

$76.2 $76.2

-12.15%

Gym Membership (Monthly)

$42.94 $42.94

$79.2 $79.2

-45.76%

Tennis Court (1 Hour on Weekend)

$40.51 $40.51

Cinema Ticket

$15.56 $15.56

$16.22 $16.22

-4.07%

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

$1,946 $1,946

$2,280 $2,280

-14.66%

International Primary School, 1 Child (Yearly)

$25.8K $25.8K

$29.6K $29.6K

-12.72%

Jeans (Levis 501 Or Similar)

$46.48 $46.48

$69.6 $69.6

-33.23%

Summer Dress (H&M, Zara, etc)

$29.82 $29.82

$52.6 $52.6

-43.26%

Sport Shoes (Adidas, Nike)

$66.8 $66.8

$120 $120

-44.13%

Men's Leather Business Shoes

$49.90 $49.90

$143 $143

-65.06%

1-bedroom Apartment, City Center (Monthly)

$2,951 $2,951

$2,378 $2,378

24.10%

1-bedroom Apartment, Outside City Center (Monthly)

$2,574 $2,574

$1,866 $1,866

37.92%

3-bedroom Apartment, City Center (Monthly)

$4,454 $4,454

$4,724 $4,724

-5.72%

3-bedroom Apartment, Outside City Center (Monthly)

$4,417 $4,417

$3,510 $3,510

25.81%

Buy Apartment in City Center (m2)

$2,643 $2,643

$7,711 $7,711

-65.73%

Buy Apartment Outside City Center (m2)

$2,392 $2,392

$5,381 $5,381

-55.55%

Average Monthly Net Salary (After Tax)

$7,254 $7,254

$6,493 $6,493

11.73%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.51

6.42

1.40%

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

Last update for Foster City, CA: April 26, 2026

Last update for Seattle, WA: April 27, 2026

Cost Breakdown

A central one-bedroom costs $2,951 in Foster City, CA versus $2,378 in Seattle, WA. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

Salaries run about 12% higher in Foster City, CA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.

A mid-range dinner for two costs $70.0 in Foster City, CA versus $119 in Seattle, WA. Monthly groceries follow the same trend: $408 vs $544 – making Foster City, CA the more affordable choice for daily food spending.

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

Foster City, CA vs Seattle, WA: Cost of Living - Frequently Asked Questions

Yes – Foster City, CA is pricier by about 12%, and the gap shows up most in Groceries & Markets. It's not just housing either; the difference applies across most spending categories.

For a comfortable life, plan on about $6,045 per month in Foster City, CA and $5,374 in Seattle, WA. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in Seattle, WA, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.

Public transport costs about 97% less in Seattle, WA. For daily commuters, that gap adds up to noticeable savings over a year.

Kindergarten costs $1,946 per month in Foster City, CA and $2,280 in Seattle, WA. For families with young kids, this one expense can tip the scales when choosing between the two cities.

$2,500 is a stretch for both – monthly costs hit $4,030 in Foster City, CA and $3,583 in Seattle, WA. You'll need shared housing and careful budgeting no matter which city you pick.

Families tend to lean toward Seattle, WA – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.

Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.

If budget matters most, go with Seattle, WA. If higher salaries, better infrastructure, or specific career opportunities are the priority, Foster City, CA makes more sense. Both are solid long-term options with distinct trade-offs.