The Pima County Assessor is the best source for this information. Keep in mind that the online records usually lag at least a few weeks behind an actual close of escrow.
Here is the link to their website: http://www.asr.pima.gov/links/frm_AdvancedSearch_v2.aspx?sea
I looked in the Tucson MLS database for closed sales and didn't see an entry for that address, it looks like that area is still being built so the builder probably sold it to a walk-in customer.
I'm afraid that Trulia does not have this information and if we did, we likely wouldn't publicize it for privacy reasons. Michael is correct in directing you to your local county assessor office to find this information.
Good luck with your search.