Sonoma State's tuition & fees has increased from $18,490 (2015) to $21,224 (2025), and the rate of tuition increase is 14.79% over the past 10 years. The graduate school tuition & fees has raised from $17,524 (year 2015) to $20,228 (year 2025).
The 2025 tuition & fees have risen more than 5% this year (2025) at Sonoma State University.
Sonoma State's tuition increase rate is higher than the California's average increase rate of 14.58%. Compare to all colleges in United States, it's increase rate is higher than the average increase rate of 10.99%.
Cost of Attendance (COA) Trends
The total cost of attendance (COA), including tuition & fees, books & supplies costs, and living costs, increased by 15.74% from 2015 ($35,840).
For the current academic year 2024-2025, Sonoma State's COA is $41,482, which is increased by 5.95% from last year.
The following table and chart show changes to Sonoma State's COA over the past 10 years.
Tuition & Fees Changes
The tuition & fees have increased 14.79% for the last 10 years , and the 2025 tuition & fees are $18,684. The following table and chart show the tuition & fees changes at Sonoma State University over last the 10 years.
Books & Supplies Costs Changes
The cost of purchasing books & supplies which are required/recommended for courses $856, and it has decreased -51.47% from the year 2015 to 2025.
| Year | Books & Supplies | Change by Year |
| 2015-16 | $1,764 | - |
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| 2016-17 | $1,790 | 1.47% |
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| 2017-18 | $1,854 | 3.58% |
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| 2018-19 | $1,916 | 3.34% |
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| 2019-20 | $1,970 | 2.82% |
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| 2020-21 | $986 | -49.95% |
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| 2021-22 | $1,022 | 3.65% |
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| 2022-23 | $1,044 | 2.15% |
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| 2023-24 | $822 | -21.26% |
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| 2024-25 | $856 | 4.14% |
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Living Costs Changes
The living costs including room, board, and other living expenses have increased 25.87% when a student lives on-campus facilities and 49.36% when living-off campus from the year 2015 to 2025. The following table shows the changes in living costs at Sonoma State University.
| Year | Living On Campus | Living Off Campus | Change by Year |
| 2015-16 | $15,586 | $16,272 | - |
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| 2016-17 | $16,000 | $16,806 | 2.66% |
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| 2017-18 | $16,456 | $17,476 | 2.85% |
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| 2018-19 | $16,912 | $18,174 | 2.77% |
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| 2019-20 | $18,418 | $19,470 | 8.90% |
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| 2020-21 | $17,786 | $19,882 | -3.43% |
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| 2021-22 | $17,688 | $20,468 | -0.55% |
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| 2022-23 | $18,248 | $21,148 | 3.17% |
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| 2023-24 | $18,262 | $24,320 | 0.08% |
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| 2024-25 | $19,402 | $26,182 | 6.24% |
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Compare Tuition Change to Similar Colleges
The following table compares 2025 tuition and increase rate from last year between Sonoma State University and similar schools.
| 2025 | 2024 | Increase Rate |
| Sonoma State University | $21,224 ($8,624) | $20,070 ($8,190) | 5.75% |
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| University of California-Los Angeles | $46,121 ($14,233) | $44,524 ($13,747) | 3.59% |
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| University of California-Berkeley | $47,265 ($15,377) | $45,627 ($14,850) | 3.59% |
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| University of California-San Diego | $47,676 ($15,788) | $46,042 ($15,265) | 3.55% |
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| California State University-Fullerton | $20,070 ($7,470) | $18,953 ($7,073) | 5.89% |
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| California State University-Long Beach | $19,974 ($7,374) | $18,888 ($7,008) | 5.75% |
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