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Home / State Marijuana Laws

State Marijuana Laws

Last updated: January 25, 2021

State Medical Marijuana Laws

State/Territory

Year Passed

Relevant Statutes/Initiatives

Alaska

1998

·   Measure 8 (1998)

·   SB 94 (1999)

·   Statute Title 17, Chapter 37

Arizona

2010

·   Proposition 203 (2010)

California

1996

·   Proposition 215 (1996)

·   SB 420 (2003)

Colorado

2000

·   Amendment 20 (2000)

Connecticut

2012

·   HB 5389

Delaware

2011

·   SB 17 (2011)

Hawaii

2000

·   SB 862 (2000)

Illinois

2013

·   HB 1 (2013, effective January 1, 2014)

Maine

1999

·   Question 2 (1999)

·   LD 611 (2002)

·   Question 5 (2009)

·   LD 1811 (2010)

·   LD 1296 (2011)

Maryland*

2003

·   HB 702 (2003)

·   SB 308 (2011)

·   HB 180/SB 580 (2013)

·   HB 1101 – Chapter 403 (2013)

Massachusetts

2012

·   Question 3 (2012)

·   Regulations (2013)

Michigan

2008

·   Proposal 1 (2008)

Montana

2004

·   Initiative 148 (2004)

·   SB 423 (2011)

·   IR-124 (2012)

Nevada

2000

·   Question 9 (2000)

·   NRS 453A

·   NAC 453A

New Hampshire

2013

·   HB 573 (2013)

New Jersey

2010

·   SB 119 (2009)

New Mexico

2007

·   SB 523 (2007)

Oregon

1998

·   Oregon Medical Marijuana Act (1998)

·   SB 161 (2007)

Rhode Island

2007

·   SB 791 (2007)

·   SB 185 (2009)

Vermont

2004

·   SB 76 (2004)

·   SB 7 (2007)

·   SB 17 (2011)

Washington

1998

·   Initiative 692 (1998)

·   SB 5798 (2010)

·   SB 5073 (2011)

Washington, DC

2010

·   Initiative 59 (1998)

·   LR 720 (2010)

* Maryland’s law allows for medical marijuana use as a legal defense in court. Possession of more than one ounce of marijuana and public consumption for medical reasons is still illegal.

In 2012, voters in Colorado and Washington state also passed initiatives legalizing marijuana for adults 21 and older under state law. It is important to note that Congress has determined that marijuana is a dangerous drug and that the illegal distribution and sale of marijuana is a serious crime.  The Department of Justice (DOJ) is committed to enforcing the Controlled Substances Act (CSA) consistent with these determinations. On August 29, 2013, DOJ issued guidance to Federal prosecutors concerning marijuana enforcement under the CSA.  The Department’s guidance is available on the DOJ Web site, and provides further detail.

State Marijuana Legalization Laws

State/Territory

Year Passed

Relevant Initiatives

Colorado

2012

  • Amendment 64
Washington

2012

  • Initiative 502

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