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

Monthly Cost of Living

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

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

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

Seattle, WA is about 11% cheaper than Foster City, CA, driven mainly by Groceries & Markets.

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

Currency
🍽 Eating Out
Seattle, WA
Foster City, CA
Difference
Meal at Budget Restaurant
$24.97 $24.97
$15.23 $15.23
63.95%
Three-Course Dinner for Two, Mid-Range
$119 $119
$70.2 $70.2
70.14%
Fast Food Meal (McDonalds, etc)
$13.90 $13.90
$10.85 $10.85
28.11%
Cappuccino
$5.56 $5.56
$4.97 $4.97
11.87%
Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)
$3.06 $3.06
$3.26 $3.26
-6.13%
Water (0.33 liter bottle)
$2.47 $2.47
$2.50 $2.50
-1.20%
Local Beer (0.5 liter draught)
$7.96 $7.96
$8.86 $8.86
-10.16%
Imported Beer (0.33 liter bottle)
$8.01 $8.01
$11.09 $11.09
-27.77%
🛒 Groceries & Markets
Seattle, WA
Foster City, CA
Difference
Milk (1 liter)
$1.34 $1.34
$1.06 $1.06
26.42%
White Bread (500g)
$5.05 $5.05
$3.33 $3.33
51.65%
Rice (white) (1kg)
$5.36 $5.36
$2.19 $2.19
144.75%
Eggs
$6.59 $6.59
$2.91 $2.91
126.46%
Local Cheese (1kg)
$25.31 $25.31
$16.31 $16.31
55.18%
Chicken Fillets (1kg)
$16.19 $16.19
$11.14 $11.14
45.33%
Beef Round Steak (1kg)
$20.30 $20.30
$19.82 $19.82
2.42%
Apples (1kg)
$5.97 $5.97
$6.06 $6.06
-1.49%
Banana (1kg)
$2.74 $2.74
$2.54 $2.54
7.87%
Oranges (1kg)
$5.36 $5.36
$4.96 $4.96
8.06%
Tomato (1kg)
$6.61 $6.61
$3.34 $3.34
97.90%
Potato (1kg)
$3.25 $3.25
$3.27 $3.27
-0.61%
Onion (1kg)
$3.79 $3.79
$4.47 $4.47
-15.21%
Lettuce (1 head)
$2.73 $2.73
$3.02 $3.02
-9.60%
Water (1.5 liter bottle)
$2.53 $2.53
$1.48 $1.48
70.95%
Cigarettes 20 Pack (Marlboro, Camel)
$11.31 $11.31
$11.07 $11.07
2.17%
Wine (Bottle)
$16.28 $16.28
$14.90 $14.90
9.26%
Local Beer (0.5 liter bottle)
$2.85 $2.85
$2.37 $2.37
20.25%
Imported Beer (0.33 liter bottle)
$4.16 $4.16
$3.41 $3.41
21.99%
🚌 Getting Around
Seattle, WA
Foster City, CA
Difference
One-way Ticket (Public Transport)
$2.69 $2.69
$3.81 $3.81
-29.40%
Public Transport Monthly Pass (Regular Price)
$97.1 $97.1
$191 $191
-49.14%
Taxi Start (Normal Tariff)
$2.71 $2.71
$3.42 $3.42
-20.76%
Taxi (Normal Tariff) (1km)
$1.73 $1.73
$1.96 $1.96
-11.73%
Taxi 1hour Waiting (Normal Tariff)
$29.46 $29.46
$30.16 $30.16
-2.32%
Gasoline (1 liter)
$1.20 $1.20
$1.32 $1.32
-9.09%
Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$33.6K $33.6K
$30.6K $30.6K
9.92%
Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.0K $26.0K
$26.6K $26.6K
-2.25%
🧾 Monthly Utilities & Internet
Seattle, WA
Foster City, CA
Difference
Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)
$266 $266
$275 $275
-3.02%
SIM Card Monthly Plan (Calls and 10GB+ Data)
$60.4 $60.4
$47.78 $47.78
26.50%
Internet (50+ Mbps, Unlimited Data)
$76.2 $76.2
$66.9 $66.9
13.84%
🎉 Sport & Entertainment
Seattle, WA
Foster City, CA
Difference
Gym Membership (Monthly)
$79.2 $79.2
$42.94 $42.94
84.35%
Tennis Court (1 Hour on Weekend)
$40.51 $40.51
-
-
Cinema Ticket
$16.22 $16.22
$15.56 $15.56
4.24%
🧸 Childcare & Education
Seattle, WA
Foster City, CA
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)
$2,280 $2,280
$1,946 $1,946
17.18%
International Primary School, 1 Child (Yearly)
$29.6K $29.6K
$25.8K $25.8K
14.57%
👕👟 Clothing & Footwear
Seattle, WA
Foster City, CA
Difference
Jeans (Levis 501 Or Similar)
$69.6 $69.6
$46.48 $46.48
49.76%
Summer Dress (H&M, Zara, etc)
$52.6 $52.6
$29.82 $29.82
76.26%
Sport Shoes (Adidas, Nike)
$120 $120
$66.8 $66.8
78.97%
Men's Leather Business Shoes
$143 $143
$49.90 $49.90
186.19%
🏠 Accommodation & Living
Seattle, WA
Foster City, CA
Difference
1-bedroom Apartment, City Center (Monthly)
$2,378 $2,378
$2,951 $2,951
-19.42%
1-bedroom Apartment, Outside City Center (Monthly)
$1,866 $1,866
$2,574 $2,574
-27.50%
3-bedroom Apartment, City Center (Monthly)
$4,724 $4,724
$4,454 $4,454
6.06%
3-bedroom Apartment, Outside City Center (Monthly)
$3,510 $3,510
$4,417 $4,417
-20.52%
Buy Apartment in City Center (m2)
$7,711 $7,711
$2,643 $2,643
191.77%
Buy Apartment Outside City Center (m2)
$5,381 $5,381
$2,392 $2,392
124.98%
💵 Salaries & Financials
Seattle, WA
Foster City, CA
Difference
Average Monthly Net Salary (After Tax)
$6,493 $6,493
$7,254 $7,254
-10.49%
20-Year Fixed Mortgage Interest Rate (Annual %)
6.42
6.51
-1.38%

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

Last update for Seattle, WA: April 27, 2026

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

Cost Breakdown

A central one-bedroom costs $2,378 in Seattle, WA versus $2,951 in Foster City, CA. 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 $119 in Seattle, WA versus $70.0 in Foster City, CA. Monthly groceries follow the same trend: $544 vs $408 – 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
Seattle, WA vs Foster City, CA: Cost of Living - Frequently Asked Questions
Is Foster City, CA cheaper than Seattle, WA?
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.
What income do you need for each city?
For a comfortable life, plan on about $5,374 per month in Seattle, WA and $6,045 in Foster City, CA. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.
Which city has lower housing costs?
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.
Which city has cheaper public transport?
Public transport costs about 97% less in Seattle, WA. For daily commuters, that gap adds up to noticeable savings over a year.
Which city has cheaper kindergarten?
Kindergarten costs $2,280 per month in Seattle, WA and $1,946 in Foster City, CA. For families with young kids, this one expense can tip the scales when choosing between the two cities.
Is $2,500 enough to cover costs in Seattle, WA or Foster City, CA?
$2,500 is a stretch for both – monthly costs hit $3,583 in Seattle, WA and $4,030 in Foster City, CA. You'll need shared housing and careful budgeting no matter which city you pick.
Is Seattle, WA or Foster City, CA more family-friendly?
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.
Which city is safer, Seattle, WA or Foster City, CA?
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.
Which city is the better choice to relocate to?
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.

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