This is a good time for me to plug one of my favorite publisher: IICLE; The Illinois Institute for Continuing Legal Education.
IICLE publishes superb - if expensive - fully annotated and very readable books on nearly every legal topic you can imagine. They have at least five relevant to construction. I would start with this one:
http://iicle.inreachce.com/Details?...&groupId=53b6364d-3e7e-465f-bef2-cba761ba236c
While the books are focused on Illinois law, the books will at least teach you what questions you need to ask and what issues you need to understand. I'd say they're "good as gold" in at least 48 of our 57 (HaHa) states.
The two exceptions are Louisiana and California. Louisiana - where the OP resides- was set up based on the French system; everywhere else at least started with English common law. California has drifted away quite a bit lately. Even in those places the IICLE books are an excellent starting point.
Less involved advice can be found from any of Mike Holmes' books ("Holmes on Homes") Mike brings a lot of common sense to the discussion.
If you're doing residential work you need to comply with the EPA's "RRP" paperwork as well.