Trulia is just a marketing website and pulls listings from MLSs and property info from county records offices. What you're seeing is likely the public records info (and also probably tied into the old listing from when you bought it. If you're wanting to list your home for sale, you can list it with a REALTOR in the MLS and it will show up here through listing syndication. Or, you can try to do it yourself and post it as For Sale By Owner. But be careful. Not many FSBOs are successful. There's a lot more to selling a home than putting it on a website. Good luck!