Updated July 1, 2025

Key Points for Oregon Cannabis Retailers

  • 280E decoupling: Oregon allows ordinary business deductions on state returns, despite federal Section 280E
  • Statewide excise tax: 17%
  • Local add‑on: Up to 3% (city or county option)
  • Medical exemption: Medical marijuana sales are exempt from both state excise and local cannabis taxes with a valid OMMP card
  • Zero‑sales filings: Returns (and payment vouchers) must be filed even if no sales occurred
  • Accurate, on‑time filings: Late or missing filings can trigger penalties, interest, or license suspension

Understanding Oregon’s Cannabis Tax Structure

1. Excise Tax (Recreational Sales Only)

  • State rate: 17% of the retail sale price

  • Local option: Up to an additional 3% (approved by local voters)

  • Who pays: All OLCC‑licensed retailers on recreational cannabis transactions

  • Medical sales: Fully exempt when the customer presents a valid OMMP card

2. Local Sales/Gross Receipts Tax (GRT)

  • Cities and counties may add up to 3% in local GRT

  • 2025 rate examples: Portland 20% total (17% + 3%), Eugene 20%, Salem 20%

280E Decoupling at the State Level

Under ORS 316.680, Oregon lets cannabis businesses deduct ordinary and necessary expenses — rent, wages, utilities, etc. — on state income tax returns. This means:

  • Lower effective state tax rates

  • Improved cash flow and reinvestment capacity

  • Simplified state compliance

Note: Federal returns remain subject to IRC 280E disallowance.

Filing & Payment Deadlines

Tax Type Frequency Due Date
Excise tax payment vouchers Monthly Last day of the month following the collection month
Excise tax returns Quarterly Last day of the month following each quarter – Q1 → Apr 30; Q2 → Jul 31; Q3 → Oct 31; Q4 → Jan 31
State income tax (annual) Annual April 15 (for the prior calendar year)
Extended returns As approved 30 days after the original due date

  • Required forms: OR‑MT‑V for payment vouchers; OR‑MT‑CALC for quarterly calculations

  • E‑filing: All returns must be filed electronically via Oregon Revenue Online

  • Zero‑sales requirement: File every month and quarter, even if no tax was due

Penalties & Compliance Risks

  • Late payments accrue interest and penalties; may forfeit the 2% administrative retention

  • Missed filings can lead to license suspension or revocation

  • Inconsistent reporting or habitual lateness increases audit risk

Calculating Your Total Cannabis Tax Obligation

  1. Determine your local rate: 17% state excise + up to 3% local GRT

  2. Multiply the retail price by the total rate (e.g., $100 × 20% = $20)

  3. Exclude all medical sales by subtracting OMMP transactions from your taxable base

Key State Cannabis Trade Associations

Government Contacts

Oregon Liquor & Cannabis Commission (OLCC)
Phone: (503) 872‑5000
Licensing inquiries: marijuana.licensing@oregon.gov
Compliance inquiries: marijuana.compliance@oregon.gov

Oregon Department of Revenue (DOR)
Taxpayer Assistance: (800) 356‑4222
Email: marijuanatax.dor@dor.oregon.gov

Disclaimer: This guide is for informational purposes only. Before making any cannabis business, tax, or compliance decisions, consult a qualified professional. Policies and rates may change — always verify with the Oregon Department of Revenue.