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Education Data profile

California State University San Marcos Cost of Attendance: Tuition, Fees & Net Price

  • Official data · College Scorecard, checked Oct 13, 2026
Updated  1 source

Total cost of attendance per year

$21,649

California State University, San Marcos cost breakdown

Item Per year
Tuition and fees (in-state) $8,082
Tuition and fees (out-of-state) $20,682
Housing and food (on campus) $14,152
Books and supplies $1,061
Other expenses (on campus) $3,713
Total cost of attendance $21,649

The total uses in-state tuition. Housing and food off campus: $20,921 a year. Figures are the school’s published budget for one academic year, as reported to the U.S. Department of Education. Source: College Scorecard (U.S. Department of Education)

In-state vs. out-of-state tuition

As a public school, California State University, San Marcos charges California residents $8,082 a year in tuition and fees. Students from other states pay $20,682, which is $12,600 more each year.

What students actually pay

Few students pay the full sticker price. At California State University, San Marcos, the average net price of $10,229 is $11,420 less than the listed cost of attendance. The amount depends heavily on family income: about $6,230 a year for families earning under $30,000, and $18,734 for families earning more than $110,000.

Net price is what remains after grants and scholarships, before loans. Use the school’s net price calculator for an estimate based on your own finances.

Net price by family income

Family income Average net price
$0–$30,000 $6,230
$30,001–$48,000 $7,240
$48,001–$75,000 $8,928
$75,001–$110,000 $12,525
$110,001 and up $18,734

Average yearly cost after grants and scholarships for full-time, first-time undergraduates who received federal financial aid. In-state students only. Source: College Scorecard (U.S. Department of Education)

Debt, earnings and admissions

Measure Value
Median federal debt at graduation $17,350
Median earnings 10 years after enrolling $62,908
Graduation rate 54%
Admission rate 95%

Debt covers federal loans of students who completed. Earnings are for former students who received federal aid. The graduation rate counts first-time, full-time students finishing within 150% of normal time. Source: College Scorecard (U.S. Department of Education)

Frequently asked questions

How much is tuition at California State University, San Marcos?

Tuition and fees are $8,082 a year for in-state students and $20,682 for out-of-state students.

How much does California State University, San Marcos cost for four years?

At the current cost of attendance of $21,649 a year, four years would come to about $86,596 before financial aid. Actual totals are usually higher because schools raise prices most years.

What is the average net price at California State University, San Marcos?

Students who receive federal aid pay an average of $10,229 a year after grants and scholarships.