Homebuyers have various mortgage options, including conventional, FHA, VA, and USDA loans. Conventional mortgages require a minimum credit score of 620 and a 3% down payment. FHA loans accept scores as low as 580 with a 3.5% down payment. VA loans are for eligible veterans and active-duty military, offering no down payment or mortgage insurance. USDA loans are for rural homebuyers, providing zero down payment options.