Niki from Trulia Customer Service here.
There are so many things that affect housing prices, i.e. season, inventory, area, etc... Our Chief Economist, Jed Kolko, offers may insights in his blog. You can visit, http://trends.truliablog.com/author/jedkolko/ and click on "Home Prices" in the list of topics to the right. You can also use the search to find our experts perception of a specific situation.
Please note that Trulia is not a Realtor but rather a residential real estate search engine. We do however have many knowledgeable agents in your area that can provide you with additional assistance with your search.
Please feel free to contact us directly if you have any questions by email, firstname.lastname@example.org or by phone at 1-888-466-3501, Monday - Friday 7am to 4pm PST.