REAL ESTATE FINANCE · SEPTEMBER 11, 2026
Freddie Mac Mortgage Average Rises to 6.76%
Freddie Mac's September 10 survey shows the average 30-year fixed residential mortgage rate increasing five basis points to 6.76%, while the 15-year average rose to 6.09%.
What the September 10 survey reports
Source publication date: September 10, 2026. Freddie Mac reported that the average 30-year fixed-rate residential mortgage was 6.76%, up from 6.71% one week earlier and 6.35% one year earlier. The 15-year fixed average was 6.09%, compared with 6.04% the prior week and 5.50% a year earlier.
- 01Up from 6.71% one week earlier
- 0215-year average was 6.09%
- 03Not a commercial-loan quote
What the benchmark measures
The Primary Mortgage Market Survey uses rates collected from thousands of conventional, conforming, owner-occupied single-family purchase applications submitted through Freddie Mac's Loan Product Advisor. It is not a commercial real-estate rate, does not include every fee or point, and should not be substituted for an executable quote on a multifamily, mixed-use, industrial, retail, office, hotel, or other commercial property.
How rate direction enters property underwriting
A higher-rate environment can affect debt service, loan proceeds, debt-service coverage, debt yield, valuation assumptions, investor return requirements, and refinance risk. Commercial pricing may instead reference Treasury yields, SOFR, a bank's cost of funds, or another benchmark plus a transaction-specific spread. Term, amortization, recourse, prepayment, reserves, leverage, property performance, sponsorship, and lender appetite can matter as much as the benchmark.
Practical borrower takeaway
Request comparable term sheets and model each structure using its actual benchmark, spread, floor, amortization, maturity, fees, and prepayment terms. Recalculate proceeds under conservative NOI, vacancy, expenses, reserves, and interest-rate assumptions. For a maturing loan, begin outreach early and include a bridge or extension contingency rather than relying on residential headlines to predict commercial execution.
Property investors should treat the residential survey as a directional market signal and underwrite commercial transactions using executable lender terms, normalized NOI, realistic reserves, and multiple refinance scenarios.
Discuss a financing need →This independent summary is based on the cited source and is provided for general educational purposes only. Terms and program requirements may change.