This mortgage calculator can be used to figure out monthly payments of a home mortgage loan for your Santa Monica real estate purchase, based on the home's sale price, the term of the loan desired, buyer's down payment percentage, and the loan's interest rate. The loan amount, the interest rate, and the term of the mortgage can have a dramatic effect on the total amount you will eventually pay for the property. Further, mortgage payments typically will include monthly allocations of property taxes, hazard insurance, and (if applicable) private mortgage insurance (PMI). See the impact of these variables along with an amortizaton schedule.