Payments On 150 000 Mortgage $150,000 Mortgage. What is the monthly payment of a 150,000. – Loan Tables for a $150,000 Mortgage Loan. See the monthly payment for a thirty year, 150k loan by interest rate. What’s the monthly payment? What are the costs? Can I afford a $150,000 home? What if I pay a bigger down payment? Make sure to think about maintenance costs, taxes, insurance, and.