How do I get a 30-year fixed mortgage in Great Falls, MT?

As of April 19, 2026, the average 30-year fixed mortgage rate in Great Falls, MT is approximately 6.65%, based on Freddie Mac Primary Mortgage Market Survey (PMMS) data. The median home price in Great Falls, MT is approximately $470,000, making the estimated monthly principal and interest payment on a 20%-down conventional loan approximately $1,926.

Borrowers in Great Falls, MT can choose among conventional 30-year fixed, FHA, VA, USDA, and jumbo loans. The 2026 FHA loan limit in Montana is $524,225 for a single-family home, which means the majority of Great Falls, MT purchases qualify for FHA financing with as little as 3.5% down for credit scores of 580 or higher. VA loans offer zero down payment for eligible veterans and active-duty service members. Jumbo loans apply above the conforming and FHA limits and generally require credit scores above 700 and 10–20% down.

To secure the best available rate in Great Falls, MT, compare APRs (not just rates) from at least three MT-licensed lenders within a 14-day window so credit inquiries score as a single event. Credit scores of 740 or higher typically receive the lowest rates; scores below 680 pay 0.25%–0.75% more. First-time buyers may qualify for the Montana Housing Finance Authority programs, which can provide down payment assistance and below-market interest rates. Rate locks in Montana typically run 30–60 days from pre-approval to closing.

Source: Freddie Mac PMMS. Last reviewed April 19, 2026. Reviewed by 30YearMortgageRates.com editorial team. Rate shown is an informational regional average, not a lender offer. 30YearMortgageRates.com is not a lender. Actual terms vary by borrower qualifications, lender, and market conditions.