• How Much Will My Payments Be? Calculate your monthly payment with applicable financial charges, PMI, hazard insurance, and property taxes. Mortgage Principal Calculator This calculator allow you to "peek into the future", allowing you to see • Capitol Mortgage Corporation offers extremely competitive mortgage rates on the Internet. Apply today! locations & headquarters Loan Officer Directory By Location ROSEVILLE Map (Corporate Office) 1540 Eureka Road Suite 100 Roseville, CA