Having observed this market for nearly 20 years, I have gone through several interest rate cycles. When consulting near the Frederick historic district, I often find that unlike in the past, buyers these days frequently check mortgage rate simulations before considering the condition of the house. This indicates that interest rates have become a significant factor in determining purchasing power.

To understand mortgage rates, one must first look at the 10-year U.S. Treasury yield. Lenders use this yield as a basis to calculate the rates for 30-year fixed mortgage products by adding a certain spread, which means that movements in the Treasury market are reflected in mortgage rates with a delay of a few days to weeks. The second important factor is the market's expectations regarding the Federal Reserve's (Fed) interest rate decisions and future policy direction.

It is also essential to keep an eye on inflation indicators. If the inflation rate exceeds expectations, bond investors will demand higher yields, which leads to an increase in mortgage rates. Additionally, the supply and demand situation in the market where mortgage loans are bundled and traded as MBS (mortgage-backed securities) directly affects interest rates.

In actual cases, as of 2026, the average rate for a 30-year fixed mortgage based on Freddie Mac PMMS is observed to be in the mid to high 6% range. The 15-year fixed mortgage tends to fluctuate between the high 5% and low 6% ranges. Recently, one household I consulted significantly reduced their total interest burden by switching to a 15-year fixed mortgage.

There are also inquiries about ARM (adjustable-rate mortgage) products. These start with lower rates than fixed-rate products for the initial 5 or 7 years but adjust according to market rates afterward, so if there are long-term residency plans, one should approach this option cautiously. Conversely, if there are plans to move or resell in the short term, utilizing the initial low-rate period can be a viable strategy.

The difference in rates based on credit scores is also clearly evident in actual cases. Borrowers with scores above 760 tend to receive relatively favorable rates, while those near the 620 range can experience differences of around 1 percentage point. The down payment ratio and DTI (debt-to-income ratio) are also assessed, so managing just the credit score is not the only concern.

In recent years, the competition for listings has intensified as more households commute from both Washington DC and Baltimore. In this trend, obtaining pre-approval in advance provides a significant advantage in the offer competition.

If you are a Korean household, it is advisable to prepare income verification documents well in advance. Especially if you have self-employment income, the lender's review may take longer, so it is best to consult ahead of time. While there are discussions about the possibility of interest rates gradually decreasing based on economic indicators, having experienced multiple market cycles, I would recommend consistent monitoring over quick conclusions.