T.T.
We had termites in our brick home. They come in around pipes, in weep holes and get to your wood framing. We caught our's early, so we had no damage, but it CAN happen to a brick home!
That said, I don't know about pretreating for termites. If you do decide to do it SHOP AROUND. We got 4 quotes for termites and saved around $400. We got the foam treatment where they stick a tube in around your pipes and fill the cavity up with foam that supposibly lasts a very long time (can't remember how long) we also have traps outside that let them know if we have termites around our house. The foam treatment is less invasive and they don't have to pull up tile or put a hole in your wall like other treatments.
We got a package deal for them to monitor the termites and exterminate other bugs (including treating the yard for fire ants) for $119 a quarter. This is through ABC Pest Control, and we have been very happy with them!!