California State University San Marcos fees
Undergraduate tuition and fees
| Undergraduate | Tuition | Fees | Room, Board & Living Expenses | Total Estimated Cost |
| All majors (2 Semesters) | $17,106 | $2,008 | $26,695 | $45,809 |
| Intensive English Program (Fall or Spring) | $6,150 | N/A | $12,752 | $18,902 |
| Intensive English Program (1/2 semester Fall or Spring) | $4,500 | N/A | $6,376 | $10,876 |
| Intensive English Program (Summer) | $4,850 | N/A | $7,970 | $12,820 |
| University Access Program (1 semester) | $8,950 | N/A | $12,752 | $21,702 |
All tuition and fees are subject to change.
*University Comprehensive Fees: Mandatory fees charged by the university in addition to university tuition.
±Additional Fees: Other charges such as orientation fee, books and supply, transportation, miscellaneous, international processing fee, etc.
Students may incur costs other than those shown here. As of 13 October 2025.
Graduate tuition and fees
| Graduate | Tuition and Fees | Room, Board & Living Expenses | Total Estimated Cost |
| Biotechnology MBt (21 months, includes summer) | $22,839 | $32,033 | $54,872 |
| Business Administration MBA (12 months, includes summer) | $35,250 | $32,033 | $67,283 |
| Business Analytics MS (12 months, includes summer) | $35,250 | $32,033 | $67,283 |
| Computer Science MS (24 months, summers optional) | $18,064 | $26,695 | $44,759 |
| Mathematics MS (24 months, summers optional) | $18,064 | $26,695 | $44,759 |
| Public Health MPH (16 months, includes summer) | $21,582 | $32,033 | $53,615 |
| Supply Chain Analytics MS (12 months, includes summer) | $35,250 | $32,033 | $67,283 |
| University Access Program (1 semester) | $8,950 | $12,752 | $21,702 |
All graduate tuition is based on 2 semesters (18 credits) or 3 quarters (24 credits) unless otherwise stated. All tuition and fees are subject to change. We expect an incremental increase for 2025-2026.
*University Comprehensive Fees: Mandatory fees charged by the university in addition to university tuition. These are annual amounts unless specified differently for a program length (i.e. 1-semester Pre-Sessional English).
±Additional Fees: Other charges such as orientation fee, books and supply, transportation, miscellaneous, international processing fee, etc.
Students may incur costs other than those shown here.
As of 13 October 2025.
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