😐A single person spends $4,450 per month in San Mateo, CA vs $4,101 in San Diego, CA, rent included.
😐A couple spends around $6,670 per month in San Mateo, CA vs $6,179 in San Diego, CA, rent included.
😐A family of three spends $8,889 per month in San Mateo, CA vs $8,258 in San Diego, CA, rent included.
😐San Mateo, CA costs about 9% more than San Diego, CA, driven mainly by Eating Out.
📊Both San Mateo, CA and San Diego, CA sit above the global median – San Mateo, CA by 224%, San Diego, CA by 198%.
Currency
🍽 Eating Out
San Mateo, CA
San Diego, CA
Difference
Meal at Budget Restaurant
$19.65$19.65
$30.27$30.27
-35.08%
Three-Course Dinner for Two, Mid-Range
$102$102
$101$101
0.51%
Fast Food Meal(McDonalds, etc)
$12.85$12.85
$14.87$14.87
-13.58%
Cappuccino
$5.50$5.50
$6.22$6.22
-11.58%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$2.99$2.99
$3.33$3.33
-10.21%
Water(0.33 liter bottle)
$2.73$2.73
$2.94$2.94
-7.14%
Local Beer(0.5 liter draught)
$8.12$8.12
$8.21$8.21
-1.10%
Imported Beer(0.33 liter bottle)
$9.94$9.94
$12.23$12.23
-18.72%
🛒 Groceries & Markets
San Mateo, CA
San Diego, CA
Difference
Milk(1 liter)
$1.58$1.58
$1.36$1.36
16.18%
White Bread(500g)
$5.83$5.83
$5.40$5.40
7.96%
Rice(white)(1kg)
$6.20$6.20
$4.90$4.90
26.53%
Eggs
$7.58$7.58
$7.01$7.01
8.13%
Local Cheese(1kg)
$13.79$13.79
$17.52$17.52
-21.29%
Chicken Fillets(1kg)
$18.53$18.53
$13.12$13.12
41.23%
Beef Round Steak(1kg)
$20.21$20.21
$20.17$20.17
0.20%
Apples(1kg)
$6.12$6.12
$4.64$4.64
31.90%
Banana(1kg)
$2.16$2.16
$1.83$1.83
18.03%
Oranges(1kg)
$4.11$4.11
$4.30$4.30
-4.42%
Tomato(1kg)
$8.58$8.58
$5.08$5.08
68.90%
Potato(1kg)
$4.49$4.49
$3.27$3.27
37.31%
Onion(1kg)
$3.09$3.09
$2.72$2.72
13.60%
Lettuce(1 head)
$2.97$2.97
$2.07$2.07
43.48%
Water(1.5 liter bottle)
$2.01$2.01
$2.15$2.15
-6.51%
Cigarettes 20 Pack(Marlboro, Camel)
$11.76$11.76
$11.75$11.75
0.09%
Wine(Bottle)
$14.71$14.71
$16.57$16.57
-11.23%
Local Beer(0.5 liter bottle)
$1.69$1.69
$2.21$2.21
-23.53%
Imported Beer(0.33 liter bottle)
$2.00$2.00
$3.12$3.12
-35.90%
🚌 Getting Around
San Mateo, CA
San Diego, CA
Difference
One-way Ticket(Public Transport)
$3.96$3.96
$2.46$2.46
60.98%
Public Transport Monthly Pass(Regular Price)
$96.0$96.0
$73.3$73.3
30.99%
Taxi Start(Normal Tariff)
$4.10$4.10
$2.97$2.97
38.05%
Taxi(Normal Tariff)(1km)
$2.06$2.06
$2.08$2.08
-0.96%
Taxi 1hour Waiting(Normal Tariff)
-
$27.84$27.84
-
Gasoline(1 liter)
$1.39$1.39
$1.49$1.49
-6.71%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$37.0K$37.0K
$36.7K$36.7K
0.83%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$25.7K$25.7K
$25.4K$25.4K
1.38%
🧾 Monthly Utilities & Internet
San Mateo, CA
San Diego, CA
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$244$244
$252$252
-3.20%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$41.13$41.13
$73.8$73.8
-44.25%
Internet(50+ Mbps, Unlimited Data)
$61.0$61.0
$85.9$85.9
-28.96%
🎉 Sport & Entertainment
San Mateo, CA
San Diego, CA
Difference
Gym Membership(Monthly)
$109$109
$69.0$69.0
57.99%
Tennis Court(1 Hour on Weekend)
$9.57$9.57
$22.99$22.99
-58.37%
Cinema Ticket
$18.17$18.17
$19.62$19.62
-7.39%
🧸 Childcare & Education
San Mateo, CA
San Diego, CA
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$2,991$2,991
$1,924$1,924
55.44%
International Primary School, 1 Child(Yearly)
$28.6K$28.6K
$36.2K$36.2K
-20.96%
👕👟 Clothing & Footwear
San Mateo, CA
San Diego, CA
Difference
Jeans(Levis 501 Or Similar)
$62.7$62.7
$69.1$69.1
-9.16%
Summer Dress(H&M, Zara, etc)
$46.47$46.47
$57.4$57.4
-19.07%
Sport Shoes(Adidas, Nike)
$117$117
$115$115
1.14%
Men's Leather Business Shoes
$139$139
$147$147
-5.68%
🏠 Accommodation & Living
San Mateo, CA
San Diego, CA
Difference
1-bedroom Apartment, City Center(Monthly)
$3,273$3,273
$3,282$3,282
-0.27%
1-bedroom Apartment, Outside City Center(Monthly)
$2,772$2,772
$2,410$2,410
15.02%
3-bedroom Apartment, City Center(Monthly)
$5,831$5,831
$5,352$5,352
8.96%
3-bedroom Apartment, Outside City Center(Monthly)
$5,158$5,158
$4,382$4,382
17.70%
Buy Apartment in City Center(m2)
$14.1K$14.1K
$8,237$8,237
71.73%
Buy Apartment Outside City Center(m2)
$8,716$8,716
$6,501$6,501
34.07%
💵 Salaries & Financials
San Mateo, CA
San Diego, CA
Difference
Average Monthly Net Salary(After Tax)
$7,356$7,356
$5,072$5,072
45.02%
20-Year Fixed Mortgage Interest Rate(Annual %)
5.96
6.52
-8.59%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for San Mateo, CA: August 31, 2026
Last update for San Diego, CA: August 29, 2026
Cost Breakdown
🏠A central one-bedroom costs $3,273 in San Mateo, CA versus $3,282 in San Diego, 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 45% higher in San Mateo, 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 $102 in San Mateo, CA versus $101 in San Diego, CA. Monthly groceries follow the same trend: $524 vs $471 – making San Diego, 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
San Mateo, CA vs San Diego, CA: Cost of Living - Frequently Asked Questions
How do living costs in San Mateo, CA and in San Diego, CA compare overall?
Monthly costs with rent: $4,450 in San Mateo, CA, $4,101 in San Diego, CA – roughly 9% apart. San Mateo, CA costs more across the board, with Eating Out showing the biggest gap.
What salary covers living expenses in San Mateo, CA compared to San Diego, CA?
For a comfortable life, plan on about $6,676 per month in San Mateo, CA and $6,151 in San Diego, CA. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.
How do rents compare between San Mateo, CA and San Diego, CA?
Rent is clearly cheaper in San Diego, CA, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.
What is the difference in childcare costs between San Mateo, CA and San Diego, CA?
Kindergarten costs $2,991 per month in San Mateo, CA and $1,924 in San Diego, CA. For families with young kids, this one expense can tip the scales when choosing between the two cities.
Which city has cheaper grocery shopping?
Groceries cost about 11% more in San Mateo, CA, though it depends on what you buy. Local produce may be comparable; imported and premium items show the biggest price gap.
Which city is feasible on a $5,000 budget?
$5,000 is a stretch for both – monthly costs hit $4,450 in San Mateo, CA and $4,101 in San Diego, CA. You'll need shared housing and careful budgeting no matter which city you pick.
How does quality of life compare between San Mateo, CA and San Diego, CA?
It depends on your priorities. San Diego, CA has an edge in some lifestyle areas, with costs from $4,101 in San Diego, CA to $4,450 in San Mateo, CA. Climate, culture, job market, and personal taste all factor in.
Is San Mateo, CA or San Diego, CA safer for residents?
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.
How do I decide between San Mateo, CA and San Diego, CA?
If budget matters most, go with San Diego, CA. If higher salaries, better infrastructure, or specific career opportunities are the priority, San Mateo, CA makes more sense. Both are solid long-term options with distinct trade-offs.
San Mateo, CA vs other spots: cost of living compared