Last verified: April 2026
The Statute — Idaho Code §37-2732
Idaho's tiered possession penalties are codified at §37-2732(c). Idaho is one of a vanishing number of states where simple possession of any usable amount carries the threat of jail time on a first offense.
| Quantity | Charge | Maximum Penalty |
|---|---|---|
| 3 oz (85 g) or less | Misdemeanor | Up to 1 year county jail + $1,000 fine |
| More than 3 oz | Felony | Up to 5 years state prison + $10,000 fine |
| 1 lb / 25 plants or more | Trafficking (§37-2732B) | Mandatory minimum 1 year + $5,000 (escalating) |
Source: Idaho Code §37-2732(c). Possession of any usable amount carries the threat of jail time on a first offense. Most county prosecutors plead first-offense small-amount cases down to a withheld judgment with diversion conditions, but the statutory exposure is real.
What Each Tier Means in Practice
≤3 oz (85 g) — Misdemeanor
Most county prosecutors will plead first-offense small-amount cases down to a withheld judgment with diversion conditions, but the statutory exposure is real. A first-offense misdemeanor:
- Surfaces on background checks until expungement is granted.
- Disqualifies the defendant from federal student aid for the duration of the sentence.
- Affects employment, housing, and federal-clearance applications.
- Triggers full SF-86 disclosure obligations for federal jobs.
>3 oz — Felony
Above 3 oz is a felony — up to 5 years state prison and $10,000 fine. The felony also produces:
- Loss of voting rights during incarceration and probation.
- Federal firearms prohibition (18 U.S.C. § 922(g)(1)).
- Long-term employment and housing consequences.
1 lb / 25 plants — Trafficking
Triggers presumptive felony treatment with mandatory-minimum trafficking enhancements under §37-2732B. See trafficking page.
The Withheld-Judgment Path
Most county prosecutors offer first-offense small-quantity defendants a withheld judgment with diversion conditions:
- Plea to the charge (technically a guilty plea).
- Court withholds entry of judgment (no conviction on the record yet).
- Defendant completes probation, drug evaluation, drug treatment, and pays fees.
- Upon successful completion, the case is dismissed and the record can be expunged.
Withheld judgments are common in Ada (Boise), Kootenai (CDA), and Latah (Moscow) counties; less common in Canyon, Bonneville, Madison, and many rural eastern counties.
School-Zone Enhancements
§37-2739B doubles penalties for any drug offense committed within 1,000 feet of a school, public park, or recreational facility. Because Idaho cities are heavily school-zoned, this enhancement is widely available to prosecutors. See school-zone page.
Probation and Parole — Zero Tolerance
Idaho probation, parole, and felony drug-court conditions impose zero-tolerance for cannabis — including legally purchased product from neighboring states. A positive THC test during probation can trigger revocation and imposition of the underlying suspended sentence. This catches many Idahoans who genuinely believed a weekend trip to Ontario, Oregon was "fine."
The Out-of-State-Plate Pattern
Defense attorneys in Boise and Coeur d'Alene have documented patterns showing that out-of-state plates returning eastbound are statistically more likely to be stopped than in-state plates on the same routes. ISP interdiction concentrates at I-84 (Boise–Ontario corridor), I-90 (Coeur d'Alene–Spokane corridor), and US-95 (the only road connecting north and south Idaho).
Reading the Statute
For in-depth cannabis education, dosing guides, safety information, and research summaries, visit our partner site TryCannabis.org