# Q4 2026 Mortgage Rates: What Buyers and Sellers Need to Know

By Glen Henderson, San Diego Realtor (@glenhendersonsandiegorealtor) · Published 2026-09-23

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Heading into the final quarter of 2026, the 30-year fixed mortgage rate has climbed to **7.25%** — today's average ([City Creek Mortgage](https://citycreekmortgage.com/todays-rates)) — and that number is reshaping the housing market in a way that feels balanced rather than tilted: buyers are cautious, sellers are adjusting, and both sides are still making deals. The average 30-year fixed-rate mortgage jumped **15 basis points to 7.12%** in the week ended September 18, its highest level in more than two years, after the Federal Reserve raised short-term rates to combat stubborn inflation ([Reuters](https://www.reuters.com/business/us-fixed-30-year-mortgage-rate-jumps-712-mba-says-2026-09-23)).

For homeowners and prospective buyers in San Diego, the big takeaway is that this is not a cooling market — it is a selective one. Demand remains strong even at these rates because inventory is scarce and the county's median home price held at roughly $962,000 in August ([San Diego Housing Market Update](https://www.redfin.com/blog/san-diego-county-ca-housing-market-august-2026)). The question is not whether to act, but how to price, when to offer, and what to expect as 2027 approaches.

#### Key Takeaways

-   The 30-year fixed rate sits at 7.25% today, with Fannie Mae forecasting a slow drift down toward the mid-6% range through the end of 2026.
-   The impact of mortgage rates is largely uniform across the country — no major metro is insulated from the higher cost of borrowing.
-   San Diego's market stays balanced, not depressed: tight inventory and a near-$962,000 median keep demand strong.
-   Sellers win by pricing accurately from day one; buyers should lean on rate buy-downs and long-term equity.

## How mortgage rates are shaping the national market

The 30-year fixed mortgage rate above 7% is being felt uniformly across the country, because a rate is a national number — Austin, Denver, Atlanta, and San Diego all face the same monthly-payment math on the same dollar of financing ([Forbes mortgage forecast](https://www.forbes.com/advisor/mortgages/mortgage-interest-rates-forecast)). Buyers everywhere are doing the same recalculation: the higher the rate, the lower the price they can afford, so both sides are negotiating with the calendar and the rate sheet in front of them. The weekly average on the most popular US home loan reached **7.12%** in the week ended September 18, the highest in more than two years (Reuters).

Fannie Mae's latest economic outlook expects the 30-year fixed rate to hover around the **mid-6% range — averaging roughly 6.7% to 6.8%** — through the final quarters of 2026. The drift is slower than earlier forecasts once suggested because rate cuts are slowing while inflation remains stubborn. The Federal Reserve raised its benchmark rate by 25 basis points in September to a range of **3.75%-4%**, its first increase since 2023, which keeps upward pressure on borrowing costs ([CNBC](https://www.cnbc.com/2026/09/16/fed-rate-decision-september-2026.html)). That matters because it changes the urgency on both sides of a deal. Sellers who list overpriced in Q4 may find themselves chasing a slowly falling market into spring. Buyers who wait for a perfect rate may watch prices climb faster than the modest savings they expect.

![A chart showing the rising path of mortgage rates](https://convex.voce.com/api/storage/5ce44017-f2e3-4de1-892a-93085345938f)

## What's really happening in San Diego

San Diego is the clearest counterexample to the national slowdown narrative — and that is why it stays balanced. The county's median sale price was **$961,781 in August**, up 5.7% year over year, nearly triple the national growth rate of 2.0% ([San Diego Housing Market Update](https://www.redfin.com/blog/san-diego-county-ca-housing-market-august-2026)). Homes went under contract in 28 days, and over a third sold above list. Demand did not evaporate; it turned selective.

The engine is scarcity. Active listings fell 5.6% to 8,709, months of supply held at 3.0, and inventory stayed well below its pre-pandemic baseline of 10,000 to 12,000 listings even after doubling from the 2023 low near 5,000 ([San Diego Housing Market Update](https://www.redfin.com/blog/san-diego-county-ca-housing-market-august-2026)). Buyers and sellers meet in the middle here precisely because there are so few homes to choose from — sellers hold pricing power, but buyers who come ready to move fast still win.

## Strategies for sellers in a 7.25% market

If you are [selling a home](https://www.mypremierhomes.com) this quarter, the data supports confident but honest pricing. Homes priced right from the start still attract immediate offers because supply is thin — the typical home sold for 99.2% of its asking price ([San Diego Housing Market Update](https://www.redfin.com/blog/san-diego-county-ca-housing-market-august-2026)). But overpriced listings carry real risk heading into fall: pending sales fell 13% year over year, a warning that the buyer pool has thinned even as absorption stayed fast.

Price from the first day, not from a hope of negotiating down. In San Diego's mid-price tiers, a correctly priced home goes pending in under a month; one that misses its window can sit far longer as buyer activity narrows. Your leverage is scarcity and speed, not an inflated list price. Get the number right at launch and let the scarcity do the work.

## Strategies for buyers in a 7.25% market

For buyers, the decision is less about the sticker price and more about the financing structure. At a rate above 7%, a modest buy-down — paying points to lower your rate for the first few years — can shave hundreds off a monthly payment without waiting for the market to move. Given that Fannie Mae expects rates to ease only gradually toward the mid-6% range as inflation stays stubborn, the smarter math for many San Diego buyers is buying now and refinancing when the cycle turns ([CNBC Fed policy coverage](https://www.cnbc.com/2026/09/16/fed-rate-decision-september-2026.html)).

Your real weapon is long-term equity. San Diego prices are up roughly 65% since early 2020 ([San Diego Housing Market Update](https://www.redfin.com/blog/san-diego-county-ca-housing-market-august-2026)), and scarcity keeps supporting values. Coming into the $650,000-to-$1.5 million range ready with pre-approval and an offer at or above list is what wins in this market. Get financing locked before you tour, and you turn high rates into a lever rather than a blocker.
