What to ask about Portland State tuition before you enroll

You see the tuition chart and wonder whether taking a heavier load saves money. At Portland State, it usually does not. PSU bills most undergraduates per credit. For 2026-27, the base undergraduate rate is $240 per credit for Oregon residents and $712 per credit for nonresidents. Twelve credits of base resident tuition is $2,880; eighteen credits is $4,320. There is no flat rate after 12 credits, and every additional credit changes the bill.

Is PSU billed per credit, or does a flat rate kick in after 12 credits?

Portland State charges by the credit each term. The base table shows a straight line: resident undergraduates pay $240 for the first credit, $480 for two, and so on, reaching $2,880 at 12 credits. Nonresident undergraduates pay $712 per credit, so 12 credits comes to $8,544. If you plan 14 credits one term and 16 the next, expect different totals each time.

Graduate students are billed per credit as well. The 2026-27 base table lists $526 per credit for resident graduate students and $784 per credit for nonresident graduate students. These are tuition figures before any mandatory fees or program-specific charges are added.

One more detail families search for and often miss: PSU's online-course surcharge. If you register in online sections, there is a posted $22 per credit online course fee. That fee sits on top of base tuition and any program differential and appears line-by-line on the bill.

Which published fees actually appear on every term's bill?

Alongside tuition, PSU adds mandatory fees each term. At 12 or more credits, the 2026-27 mandatory-fee bundle totals $691 per term, made up of a $45 Building Fee, a $374 Incidental Fee, a $217 Health Service Fee, and a $55 Academic & Student Rec Center fee. The Health Service Fee begins once you enroll in 5 credits or more; students in 1-4 credits do not see it.

New undergraduate and transfer students also see a one-time $475 matriculation fee in their first term. This charge covers orientation and initial enrollment services and does not repeat in later quarters.

Health insurance billing is separate from the Health Service Fee. PSU posts a $1,189 per term student health insurance premium for students in at least five credits. Domestic students can submit a waiver with proof of comparable coverage; if that waiver is approved for the year, the premium is removed. International students follow separate insurance requirements and should review those carefully before the first term begins.

Transportation fees are not automatically included. Students can purchase a TriMet pass through PSU Transportation & Parking Services each term, and Portland Streetcar access is free to current PSU students. Those items are not part of tuition or the mandatory-fee bundle and will only show up if you opt into them.

Resident, Washington Border, WUE, or Nonresident: which tuition bucket applies to you?

PSU applies different base rates depending on residency and program eligibility. Oregon residents pay the resident rate. Eligible Washington residents may qualify for the Washington Border Discount (WBD). Students from WICHE states may qualify for the Western Undergraduate Exchange (WUE). Some students qualify for the Native American Tuition Program. Each program has plain-language rules you can verify on PSU's site before you register.

PSU also administers the Native American Tuition Program, under which eligible students pay the resident rate regardless of home state or country. If that could apply to you, verify eligibility and documentation steps early, because PSU posts those details alongside tuition tables.

How does your major change the bill at PSU?

PSU posts differential tuition for some colleges and programs. This is a per-credit amount that sits on top of the base tuition in the table above. For 2026-27, the undergraduate differential per credit is published as follows for Oregon residents: Business $258.40, Engineering $310.60, College of the Arts $251.40, and University Honors $247.40. Nonresident differentials are also posted and are higher dollar amounts per credit.

That means a resident Engineering major taking 15 credits would see base tuition of $3,600 plus an Engineering differential of $4,659 for those 15 credits, before fees. A resident Business major at 12 credits would see base tuition of $2,880 plus a Business differential of $3,100.80. These are tuition-line items only; the $691 in 12+ credit mandatory fees would be added to either total each term.

Honors students see the Honors differential in addition to any major-based differential if their program requires both. PSU specifies when overlapping differentials stack and when the primary major dictates which rate is assessed, so checking your primary major code and Honors status before registration prevents surprises.

When will tuition actually post, and what happens if you miss a due date?

PSU's bill appears near the start of each term and the university offers a three-installment Payment Plan. For Fall 2026, installments are due on October 6, November 6, and December 6. For Winter 2027, the first installment is due on January 14, followed by February 6 and March 6. If you do not enroll in the plan or pay in full by the first due date, PSU automatically enrolls you and charges a $100 late fee. Each additional missed installment triggers another $100 late fee.

Registration can be cancelled for a future term if the previous term's balance remains unpaid. For example, PSU lists a September 14, 2026 cancellation checkpoint for Fall registration if a prior balance is outstanding. If you want autopay, PSU requires re-enrollment in both the plan and autopay each term; neither setting rolls over automatically.

Refund timing depends on the academic calendar. PSU's refund schedule includes a 100 percent window early in the term and then lower percentages. The specific date changes each quarter. For Fall 2026, the last day to drop a standard-length class with a 100% tuition refund is October 4, 2026. PSU publishes that date on the academic calendar each term alongside add/drop deadlines.

What will financial aid actually cover at PSU's rates?

Many Oregon residents ask about PSU's flagship last-dollar program. The Tuition-Free Degree promise covers remaining tuition and these mandatory fees after federal and state grants: the Building, Incidental, Health Service, and Rec Center fees. It applies to 6-16 credits per term in Fall, Winter, and Spring for eligible Oregon residents who are Pell Grant-eligible and file the FAFSA by March 1. PSU also states that students can take more than 16 credits and remain eligible, but the program covers up to 16 credits per term.

Tuition-Free Degree does not cover housing or meals, the $22 per credit online-course fee, the one-time $475 matriculation fee, health insurance premiums, study abroad charges, or summer tuition. Students still see the $691 bundle of mandatory fees each term on the account, but the program's last-dollar funding is designed to cover those fees after other grants are applied.

Outside that program, Oregon's state grant framework and standard federal aid disburse to the student account first. PSU's disbursement guidance explains that refunds of excess aid take a few business days after disbursement and that dropping credits can change how much remains on the account. If you plan to use a refund for books or a commuting pass, build that lag time into your calendar.

Housing and dining do not sit inside "tuition," but they do hit the student account. For 2026-27, sample on-campus rates include an Ondine double studio at $2,230 per term, a Broadway single studio at $4,305 per term, and an All Access meal plan at $1,945 per term. These charges are billed at the start of each term and can be included in the Payment Plan alongside tuition and fees.

Key things to know

• PSU bills undergraduates by the credit. For 2026-27 the resident base is $240 per credit; there is no 12-18 flat rate.
• At 12+ credits, mandatory fees total $691 per term. The Health Service Fee begins at 5 credits; the Rec Center fee is $55 every term.
• If you choose online sections, the $22 per credit online-course fee is added to tuition and fees.
• The Washington Border Discount equals 110% of resident base tuition, and WUE equals 150% of resident base tuition. Both sit before any program differential and regular fees.
• Differential tuition by major can be large. For residents, 2026-27 per-credit differentials include $258.40 Business, $310.60 Engineering, $251.40 College of the Arts, and $247.40 Honors.
• Tuition-Free Degree covers standard tuition and mandatory fees up to 16 credits per term for eligible Oregon residents who are Pell-eligible and file the FAFSA by March 1. It does not cover housing, books, health insurance, online-course fees, or the $475 matriculation fee.
• Payment Plan installments for Fall 2026 are due on Oct 6, Nov 6, and Dec 6. Miss the first due date and PSU posts a $100 late fee and enrolls you automatically.
• For Fall 2026, the last day to drop a standard-length class with a 100% tuition refund is October 4, 2026. PSU posts exact dates each term on the academic calendar.
• Sample on-campus costs for 2026-27: $2,230 per term for an Ondine double studio, $4,305 per term for a Broadway single studio, and $1,945 per term for the All Access meal plan.
• Portland Streetcar is free for PSU students, while TriMet passes are available for purchase through the campus transportation office each term.

Reader Q&A

Does PSU give me a discount if I take 15-18 credits like some other Oregon universities?

No. PSU charges per credit. For 2026-27, an Oregon resident pays $240 per credit, so 12 credits is $2,880 and 18 credits is $4,320 before fees and any program differentials. There is no flat-rate window that makes extra credits free.

What fees will I see every term if I'm in 12 credits?

The posted 12+ credit bundle totals $691 per term in 2026-27: Building $45, Incidental $374, Health Service $217, and Rec Center $55. If you take online classes, add the $22 per credit online-course fee, which is billed separately from the bundle.

Does the Tuition-Free Degree cover health insurance, books, or housing?

No. It is designed to cover standard tuition and the mandatory-fee bundle after your federal and state grants. It does not cover the $1,189 per term health insurance premium, the $475 matriculation fee, the $22 per credit online-course fee, housing, meals, or books.

What happens if I miss the first Payment Plan due date?

PSU automatically enrolls you in the three-installment plan and posts a $100 late fee. Any later missed installment adds another $100 late fee, and future-term registration can be cancelled if a prior balance remains unpaid. Fall 2026 installments are due on October 6, November 6, and December 6.

If you want a clean estimate before you commit, match yourself to the correct bucket in the table, multiply by your planned credits, then add the $691 fee bundle if you will be in 12 or more credits and any posted program differential per-credit. Check whether the online-course fee, the health insurance premium, or the one-time matriculation fee will hit your first term. That checklist tends to put your estimate within a few dollars of the tuition and fee lines that appear on the bill.

Published: September 25, 2026 · Reviewed by the State Of Oregon editorial team