So, Altoona is your choice for mortgaging a house. First of all, I must say that Altoona is a great choice. Congratulations. Getting mortgage offers for Altoona (or any place for that matter) is easy enough. You can use a websites online or use your phone to call up mortgage brokers and lenders (using websites is generally easier and faster). 
However, even before you start with getting mortgage loan offers, you should do a quick check on your current financial situation. Such a scrutiny will help you in determining the amount that you can put forth as down payment and it will also help you in finding out the maximum monthly mortgage payments that you can afford to pay. You should be looking at your financial situation not just as it is in the present but also what it is expected to be in future. This will help you in making a decision between, for example, various adjustable mortgage loan offers (the adjustable mortgage loan offers generally adjust after a period of time, and various combinations of mortgage interest rates and mortgage rate adjustment periods are used to form several offers).
You should also be looking at your finances/ funds in the light of the economic indicators (for at least a few years in future). The best Altoona mortgage offer would be the one that is in sync with your analysis of your own financial situation in particular and the economic indicators in general.