If you need to research a particular issue as treated by multiple state statutes there are several useful tools that may save you a lot of work.  Just be aware that these may only address selected narrow topics and that they may not be current.  Be sure to locate the date of the survey or latest revisions.

National Conference of State Legislatures

http://www.ncsl.org  Search for "50 state" to see what topics have been researched. 

• Click on the Research & Policy tab.
• NCSL provides research, technical assistance and opportunities for policymakers to exchange ideas on state issues.

Movement Advancement Project - tracks proposed laws relating to voting and lgbtq+ issues.