How much does flagstar bank pay? How Much Does Flagstar Bank Pay? On a national level, workers at Flagstar Bank earn an average salary of $53,298 per year, or $25.62 an hour. If you are in the top 10th percent of earners, you can expect to make an average salary over $98,000 a year, but if you're in the bottom 10 percent of earners, your salary could be less than $28,000 a year.What is flagstar banks tax id number? The EIN (Employer Identification Number, also called IRS Tax ID) for Flagstar Bank, FSB is 382734984. The best way to find the routing number for your Flagstar Bank, FSB checking, savings or business account is to look into the lower left corner of the bank check.What is flagstar bank? Flagstar Bank is a subsidiary of Flagstar Bancorp (NYSE: FBC). Flagstar is a national mortgage originator also operating as a traditional Midwest community bank. Along with custom-fitting financial solutions for consumers, Flagstar offers the full resources of a commercial bank.