All Comparison Tables
Employer Drug Testing Laws by State
Federal & State Law Editorial TeamLast reviewed: April 2026
State-by-state rules on pre-employment and random drug testing for private employers, plus marijuana protections for off-duty use.
50 States2 data columnsLast updated: March 2026
Click any column header to sort ascending or descending. Click again to reverse, and a third time to reset.
| Pre-Employment | Random Testing | Marijuana Protections |
|---|---|---|
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | Off-duty use |
| Allowed | Allowed | Off-duty use |
| Allowed | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | None |
| Allowed | Allowed | Off-duty use |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | None |
| Allowed | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | Medical card |
| Limited | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | Off-duty use |
| Limited | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Allowed | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | None |
| Limited | Allowed | Off-duty use |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | Off-duty use |
| Allowed | Allowed | Medical card |
| Limited | Limited | Off-duty use |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | Off-duty use |
| Allowed | Allowed | Medical card |
| Allowed | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Allowed | Allowed | Medical card |
| Limited | Reasonable suspicion | Off-duty use |
| Allowed | Allowed | Off-duty use |
| Limited | Allowed | Off-duty use |
| Allowed | Allowed | Medical card |
| Allowed | Allowed | None |
| Allowed | Allowed | None |
| Limited | Reasonable suspicion | Off-duty use |
DOT-regulated positions, federal contractors, and safety-sensitive workers are subject to mandatory federal drug testing rules regardless of state law. Local ordinances may add further protections.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.