Rufus Cadigan mentioned checking around for places to have plays produced. Some less obvious venues were clubs and church groups. He also talked about offering to write historical plays for institutions, such as local history museums, but that could also include community’s celebrating significant anniversaries. Then, there are contests. Here’s a source for a few.
Play Submissions Information: 7 Playwriting Contests and Submissions Websites Every Playwright Should Know.
http://playsubmissionsinfo.blogspot.com/2012/04/7-play-submissions-websites-every_26.html?m=1