Tax for Cannabis Businesses

Under IRC Section 280E, cannabis businesses can ONLY reduce gross receipts by cost of goods sold (COGS) — no deductions, no credits, no QBI, no Section 179. A dispensary with $400,000 revenue and $200,000 in operating expenses may owe federal tax on $280,000+ instead of $120,000, because only the $120,000 in true COGS reduces income. Effective federal rates routinely reach 60-75%, and 280E remains in force until cannabis is rescheduled below Schedule II.

TaxKiln Editorial · Last reviewed: May 26, 2026

Cannabis is the only legal industry in America where the federal tax code actively punishes you for operating. Section 280E strips away every ordinary business deduction — rent, payroll, insurance, marketing, utilities — leaving only cost of goods sold to reduce gross receipts. The result is effective federal tax rates of 50-80%+ that no other trade faces, all while the business is fully legal under state law.

Common business structures

LLC (disregarded or partnership) — most common; pass-through avoids entity-level tax on top of 280E pain
S-corp — pass-through with payroll structure; reasonable compensation still required but 280E strips the SE tax planning benefit since wages are not deductible anyway
C-corp — some operators use C-corp to lock in the 21% flat rate on taxable income, but the non-deductibility of operating expenses makes the effective rate far higher than 21%
Separate entities for non-cannabis operations — management company, real estate holding company, or branded merchandise company to isolate deductible activities from the 280E-trapped entity

Key mechanics

IRC Section 280E — The Core Prohibition

Section 280E states that no deduction or credit shall be allowed for any amount paid or incurred during the taxable year in carrying on any trade or business if such trade or business consists of trafficking in controlled substances within the meaning of Schedule I or II of the Controlled Substances Act. The statute was enacted in 1982 in response to a Tax Court case where a drug dealer successfully claimed business deductions.

The practical impact is devastating. Normal business expenses that every other trade deducts — rent, payroll, insurance, marketing, utilities, professional fees, office supplies, depreciation — are ALL non-deductible for a cannabis business. This means your taxable income is dramatically higher than your economic profit. A dispensary earning $400,000 with $280,000 in total costs (including $120,000 COGS) reports taxable income of $280,000 — not the $120,000 economic profit.

Critically, 280E applies based on FEDERAL classification, not state law. It does not matter that your state has legalized cannabis and issued you a license. As long as cannabis remains Schedule I or II under the Controlled Substances Act, 280E applies to every dollar of cannabis-related income.

The only reduction allowed is cost of goods sold (COGS), which is not technically a "deduction" — it is a computation of gross income under Section 61. This distinction is what allows COGS to survive 280E. But the scope of what qualifies as COGS is tightly constrained, particularly for retailers.

No deduction or credit is allowed for any business that consists of trafficking in Schedule I or II controlled substances — only cost of goods sold (COGS) can reduce gross receipts. (IRC Section 280E; Californians Helping to Alleviate Medical Problems (CHAMP) v. Commissioner (2007); IRS Chief Counsel Advice 201504011)

COGS Computation — Retailers vs Producers

The scope of allowable COGS differs dramatically depending on whether you are a retailer/dispensary or a cultivator/producer. The Harborside case (Patients Mutual Assistance Collective Corp. v. Commissioner) established that cannabis retailers are limited to the narrower Section 471 reseller inventory rules, while producers can use the broader production-cost rules.

For retailers and dispensaries, COGS is generally limited to: the invoice cost of cannabis purchased for resale, plus freight-in and delivery charges to get inventory to the retail location. That is it. Rent for the dispensary, budtender wages, point-of-sale systems, security, packaging materials added after purchase, compliance software — all operating expenses, all non-deductible under 280E.

For cultivators and producers, COGS is broader because production costs under Section 263A include: direct materials (seeds, soil, nutrients, growing media), direct labor (growers, trimmers — workers who directly handle the plant), and allocable indirect costs that are part of the production process (facility costs for grow rooms, utilities for lighting/HVAC in grow facilities, depreciation on production equipment). The more of the value chain you control through cultivation, the more costs you can capture in COGS.

Vertically integrated operators must maintain separate books and records for cultivation/production vs retail. Production costs go into inventory via COGS; retail operating costs remain trapped by 280E. Sloppy record-keeping that mixes production and retail costs is the single fastest way to lose a 280E audit.

Cannabis retailers are limited to narrow reseller COGS (purchase price + freight); producers can include direct materials, direct labor, and allocable production overhead in COGS. (IRC Section 471 (reseller inventory); IRC Section 263A (UNICAP production costs); Patients Mutual Assistance Collective Corp. v. Commissioner (Harborside, T.C. Memo. 2018-208))

The Section 471(c) Question and Common Misconceptions

The TCJA's Section 471(c) allows qualifying small businesses (average annual gross receipts of $30 million or less) to use their financial accounting method for inventory instead of the traditional Section 471 rules. Some cannabis operators and their advisors have argued this provision allows broader COGS treatment that effectively circumvents 280E.

This argument is incorrect. The IRS and Tax Court have consistently held that Section 471(c) is NOT a loophole that eliminates Section 280E. The statute changes how COGS is measured — it does not transform non-deductible operating expenses into deductible COGS. If an expense would not have been included in COGS under the applicable inventory rules, relabeling it under a different accounting method does not override the fundamental 280E prohibition.

Similarly, aggressive COGS allocation strategies — assigning security costs, compliance costs, or retail overhead to "inventory handling" — are routinely challenged on audit. The IRS Cannabis Industry Compliance campaign specifically targets inflated COGS claims. If you cannot demonstrate that a cost is a direct production cost or an allocable indirect production cost under the applicable inventory framework, it does not belong in COGS.

The safest approach is conservative COGS computation with detailed supporting documentation: purchase invoices, production logs, labor allocation records, facility-use documentation, and a clear methodology memo prepared by a cannabis-experienced CPA.

Section 471(c) small business inventory accounting does NOT override Section 280E — it may change how COGS is computed but does not make operating expenses deductible. (IRC Section 471(c); IRS Chief Counsel Memo AM 2023-003; IRC Section 280E (unchanged by TCJA))

State Tax Decoupling and Separate Business Strategies

Many states with legal cannabis markets have decoupled from Section 280E at the state level, allowing normal business deductions on the state income tax return even though they are disallowed federally. This means your state effective tax rate may be substantially lower than your federal effective rate — an unusual inversion.

Colorado was the first legal market and decouples from 280E — cannabis businesses can deduct ordinary expenses on CO state returns. California also decouples, but imposes a 15% cannabis excise tax on top of income tax and local taxes. Oregon decouples and has no sales tax. Illinois decouples and emphasizes social equity licensing.

The separate business strategy involves creating genuinely independent non-cannabis entities that provide services to the cannabis operation: a management company providing administrative services, a real estate holding company owning and leasing the property, or a branded merchandise company selling non-cannabis products. These entities can claim normal deductions because they are NOT trafficking in controlled substances.

The IRS scrutinizes these arrangements intensely. The separate business must be real: separately organized, separately managed, with arm's-length pricing, genuine independent operations, and a profit motive independent of the cannabis trade. The Tax Court in Harborside demonstrated willingness to collapse businesses it considers part of a single trafficking operation. Proper legal structuring, separate bank accounts, independent contracts, and contemporaneous documentation are essential.

Many states decouple from Section 280E and allow normal deductions for state-legal cannabis businesses; genuinely separate non-cannabis businesses can claim federal deductions if truly independent from the cannabis operation. (Individual state conformity statutes; CHAMP v. Commissioner (separate business doctrine); IRC Section 162(a) (ordinary business expenses for non-280E entities))

Deductions

Category	Examples	Schedule C line
Cost of Goods Sold (Retailer)	Invoice cost of cannabis purchased for resale, freight-in, delivery charges to retail location — ONLY these narrow categories for dispensaries under Section 471 reseller rules	Schedule C Line 4 (Cost of goods sold — from Part III)
Cost of Goods Sold (Cultivator/Producer)	Seeds, clones, soil, nutrients, grow media (direct materials); grower and trimmer wages (direct labor); grow room rent, utilities for lighting/HVAC, production equipment depreciation (allocable indirect)	Schedule C Line 4 (Cost of goods sold — from Part III)
Separate Non-Cannabis Entity Deductions	Management company: admin salaries, office expenses, software. Real estate holding company: property taxes, mortgage interest, maintenance. ONLY if genuinely separate from cannabis operations.	Separate entity Schedule C or partnership/S-corp return — NOT on the cannabis entity return
BLOCKED by 280E — Retail Operating Expenses	Dispensary rent, budtender wages, security, compliance software, POS systems, marketing, insurance, professional fees, utilities (retail), packaging added post-purchase — ALL non-deductible on the cannabis entity return	NOT deductible — reported on return but added back for tax purposes
Health Insurance (Owner)	Self-employed health insurance deduction is taken on Form 1040, not Schedule C — argued by some practitioners as outside the scope of 280E since it is an above-the-line personal deduction, not a business deduction. IRS position is unsettled.	Form 1040 Line 17 (if the deduction survives 280E — consult specialist CPA)

Vehicle treatment

Vehicle expenses for a cannabis business are non-deductible under Section 280E unless the vehicle is used exclusively for transporting inventory (in which case it may be argued as a COGS freight/delivery cost). Delivery vehicles moving product from cultivator to dispensary have the strongest argument for inclusion in COGS. Vehicles used for dispensary operations, sales visits, or administrative purposes are ordinary business expenses — blocked by 280E. A separate non-cannabis entity (management company or delivery service) may deduct vehicle expenses if it operates genuinely independently at arm's length.

Depreciation examples

Depreciation on cannabis business assets is non-deductible under Section 280E for retail operations. For cultivators/producers, depreciation on production equipment (grow lights, HVAC for grow rooms, processing equipment) may be included in COGS as an allocable indirect production cost — this is the only pathway. Section 179 expensing and bonus depreciation are deductions, not COGS components, and are therefore blocked by 280E. Example: Marcus purchases $80,000 in grow equipment. As a cultivator, the depreciation ($16,000/year over 5 years MACRS) flows into COGS as an allocable production cost. As a retailer, the same equipment yields zero deduction.

State variance

Colorado

First legal recreational market (2014). CO decouples from Section 280E at the state level — normal business deductions allowed on CO return. State income tax is 4.4% flat. Local cannabis taxes vary by municipality (Denver: 5.5% special sales tax). CO's early-mover advantage means more established compliance infrastructure and banking relationships than newer markets.

California

CA decouples from 280E for state tax purposes. However, CA imposes a 15% cannabis excise tax (effective October 2025 rate), plus local taxes that vary dramatically by jurisdiction (some cities impose 15-20% additional local taxes). Combined state + local tax burden on cannabis can reach 30-40%+ before federal income tax. CA's Franchise Tax Board applies normal deduction rules on the state return.

Oregon

OR decouples from 280E. No state sales tax (general or cannabis-specific), making OR one of the lowest total-tax-burden cannabis states. Local option taxes may apply. The OR cannabis market has historically faced oversupply and price compression, which compounds the 280E federal burden — low margins plus non-deductible expenses create acute cash flow pressure.

Illinois

IL decouples from 280E at the state level. IL has the strongest social equity licensing emphasis among major markets. State cannabis tax rates are tiered: 10% (THC under 35%), 20% (THC-infused products), 25% (THC above 35%). Cook County and Chicago impose additional local taxes. The combination of 280E federally, state income tax (4.95% flat), and multi-tier excise taxes creates one of the highest total cannabis tax burdens nationally.

Worked example

Marcus Johnson, a Denver, CO-based Cannabis dispensary owner (single location, retail only, single filer), in 2026:

Marcus operates a licensed dispensary in Denver. He also owns a separate management company (genuinely independent, arm's length) that provides administrative services to the dispensary and two other local businesses. Dispensary gross revenue: $400,000. Management company net income: $42,000.

Financial calculation for worked example:

CANNABIS DISPENSARY (280E applies):
  Gross revenue                                      $400,000
  Cost of goods sold (purchase price + freight)      ($120,000)
  Gross profit                                       $280,000
  Operating expenses (rent, payroll, security,
  insurance, compliance, utilities, marketing)     ($195,000)
  Economic profit                                     $85,000
  280E ADJUSTMENT: operating expenses added back     +$195,000
  Taxable income from dispensary                     $280,000

  SEPARATE MANAGEMENT COMPANY (280E does NOT apply):
  Management fee income                               $72,000
  Operating expenses (deductible)                    ($30,000)
  Net management company income                       $42,000

  COMBINED FEDERAL TAX:
  Total taxable income ($280,000 + $42,000)          $322,000
  less standard deduction (Single)                 ($16,100)
  less 1/2 SE tax (on $42,000 mgmt co only)         ($2,966)
  Taxable income                                     $302,934
  Federal income tax (Single, 24%/32% brackets)       $65,067
  SE tax (on $42,000 mgmt co: 92.35% x 15.3%)         $5,932
  Total federal tax                                   $70,999
  CO state tax (4.4% — deductions allowed on
  dispensary at state level; taxable ~$127,000
  after full state deductions)                       $5,588
  Effective rate on $127,000 economic income           60.3%
  (federal 280E inflates tax far beyond economic profit)

Common audit triggers

Inflated COGS allocation — the IRS Cannabis Industry Compliance campaign specifically targets COGS claims that include retail operating expenses disguised as inventory costs; the line between production cost and operating expense is audited aggressively
Deductions claimed on the cannabis entity return — any deduction other than COGS on a cannabis business return is an immediate red flag; some preparers mistakenly include rent, payroll, and depreciation as deductions rather than adding them back
Separate business entities without genuine independence — management companies, real estate entities, or consulting businesses that exist only on paper and have no operations separate from the cannabis business will be collapsed into the trafficking trade
Cash handling documentation gaps — many cannabis businesses operate primarily in cash due to banking restrictions; inadequate cash receipt documentation, missing deposit records, and unexplained discrepancies between sales records and bank deposits attract scrutiny
Section 471(c) used to expand COGS beyond applicable inventory rules — the IRS has issued guidance rejecting this interpretation; returns using 471(c) to significantly inflate COGS above what Section 471 or 263A would produce are flagged
Dual-state return discrepancies — claiming full deductions on a state return (in decoupled states) while the federal return shows 280E treatment is correct, but large discrepancies between state and federal taxable income draw automated matching attention

Frequently asked questions

What happens if I miss the April 15 tax deadline?+

If you owe tax, the IRS charges two separate penalties: failure to file (5% of unpaid tax per month, max 25% under IRC §6651(a)(1)) and failure to pay (0.5% per month, max 25%). File Form 4868 for an automatic 6-month extension — but the extension only extends the FILING deadline, not the PAYMENT deadline. Interest accrues from April 15 regardless. If you have a clean 3-year history, you may qualify for First Time Abatement (FTA) to waive the failure-to-file penalty.

Do I need a CPA or can I file my own taxes?+

Most self-employed people with straightforward Schedule C income can file using tax software (TurboTax, FreeTaxUSA, TaxAct). Consider a CPA or Enrolled Agent (EA) if you have: an S-Corp election, multi-state filing, rental property with cost segregation, your first year of self-employment (to set up correctly), or an IRS notice. EAs are federally licensed and often less expensive than CPAs. The IRS Volunteer Income Tax Assistance (VITA) program offers free help for incomes under $67,000.

How do quarterly estimated tax payments work?+

Self-employed people must pay estimated tax quarterly (April 15, June 15, September 15, January 15) if they expect to owe $1,000 or more. The safe harbor under IRC §6654 is paying at least 100% of prior-year tax (110% if AGI exceeded $150,000). Use Form 1040-ES or pay via IRS Direct Pay or EFTPS. Missing payments triggers an underpayment penalty calculated per quarter — even if you pay everything at filing time.

Will cannabis rescheduling fix the 280E problem?+

Yes — if cannabis is moved to Schedule III or lower, Section 280E would no longer apply because the statute only targets Schedule I and II trafficking. This would immediately allow normal business deductions, dramatically reducing effective tax rates. However, until the final rule is effective and rescheduling is complete, operators must continue filing under 280E. Do not preemptively claim deductions based on anticipated rescheduling — the IRS will disallow them and assess penalties.

Can I deduct my dispensary rent through a separate real estate holding company?+

You cannot deduct rent ON the dispensary entity's return — 280E blocks it. However, if you own the property through a genuinely separate entity (LLC or S-corp) and lease it to the dispensary at arm's-length fair market rent, the real estate entity can claim its own deductions (mortgage interest, property taxes, depreciation, repairs) because it is not trafficking in cannabis — it is renting real estate. The rent paid by the dispensary is still non-deductible on the dispensary's return, but the real estate entity's profit is taxed normally with full deductions available.

Is hemp/CBD subject to Section 280E?+

Generally no. The 2018 Farm Bill removed hemp (cannabis with less than 0.3% THC by dry weight) from the Controlled Substances Act definition of marijuana. Hemp and CBD products derived from legal hemp are not Schedule I substances and therefore Section 280E does not apply. Normal business deductions are available. However, if products contain THC above the 0.3% threshold, they remain classified as marijuana under federal law and 280E applies.

How do I handle banking when most banks will not work with cannabis businesses?+

Banking access remains the operational pain point of the industry. Some credit unions and state-chartered banks serve cannabis businesses under FinCEN guidance (requiring enhanced due diligence and suspicious activity reporting). Cannabis-specific payment processors exist but charge premium fees. For tax purposes, operating primarily in cash requires meticulous documentation: daily cash counts, point-of-sale reconciliation, armored car deposit records, and a clear audit trail from each transaction to the bank deposit. The IRS pays particular attention to cash-intensive businesses with documentation gaps — cannabis businesses operating in cash face higher audit risk by default.

Last reviewed: May 26, 2026