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Mortgage Rates in 2026: What San Antonio Buyers Should Do Now

The 30-year fixed mortgage averaged 6.76% the week of September 10, 2026, per Freddie Mac, and daily rate trackers put the national average at 7% or slightly above. After 2020 and 2021, anything above 6% feels expensive, and plenty of buyers are frozen by it. Here is the honest way to think about rates in the San Antonio market this fall, plus the moves that still work.

Phyllis Domingo September 18, 2026 7 min read Mortgage Rates
A warm Texas ranch-style home glowing at dusk, the goal at the end of the home search

The 30-year fixed mortgage averaged 6.76% the week of September 10, 2026, per Freddie Mac, and daily rate trackers put the national average at 7% or slightly above. After 2020 and 2021, anything above 6% feels expensive, and plenty of buyers are frozen by it. Here is the honest way to think about rates in the San Antonio market this fall, plus the moves that still work.

On my channel: How to Find GOOD Deals in the San Antonio Market Right Now as a Relocator

Where rates actually are

Freddie Mac's Primary Mortgage Market Survey averaged 6.76% for the 30-year fixed in the week of September 10, 2026, while daily averages from NerdWallet, Forbes, and LendingTree hover around 7.0% to 7.1%. In San Antonio, the area median home price sat just above $299,000 in August 2026, with home sales up about 4% from a year earlier and inventory just under six months. A balanced market plus higher rates changes the strategy for both buyers and sellers.

The buy-now vs. wait question

The honest answer: waiting for rates to fall is a gamble, and prices are not dropping in the meantime. The San Antonio median held steady near $299,000 through August, and history here shows that when rates eventually ease, buyer competition returns and prices respond. Buying at 6.76% with a strong negotiation position today can beat buying at 6.25% in a competitive market next year. The number that matters is your monthly payment, not the rate in isolation, because the rate can always be refinanced later.

What still moves the needle

In a balanced market, buyers have leverage a rate number alone cannot measure: seller concessions, rate buydowns, closing cost credits, and repair negotiations. A seller who discounts the price by financing your buydown can cut your effective payment meaningfully. Those are conversations a local agent drives, and they are exactly why buying with representation matters more, not less, when rates are high.

The math that matters

On a $300,000 home with 20% down, a 6.76% rate puts principal and interest around $1,555 a month. Dropping the rate half a point saves roughly $90 a month; dropping the price 3% saves a similar amount and also lowers property taxes. The practical takeaway: shop the price, the rate, and the concessions together, and compare complete monthly payments including taxes and insurance.

When you should wait

You are justified in waiting if you are not financially ready, when the down payment, the emergency fund, or the monthly budget is not comfortable at today's rates. You are better served waiting if your credit score can move up a tier or two in a few months. But waiting because a headline says rates will fall is the weakest reason of all, because nobody knows, and the San Antonio market is not rewarding the waiters right now.

The plan that works

Get pre-approved so you know your real rate and monthly number. Compare homes and neighborhoods where your payment works at today's rates. When the right home appears, negotiate like the market allows, because it does. Talk to your lender about locking a rate, and to me about which concessions to ask for. It is a strategy, not a prayer, and it is how my clients are closing this fall.

Phyllis Domingo, San Antonio REALTOR

Written by Phyllis Domingo

REALTOR® · TX License 745926 · 100+ homes sold · Helping families move well in San Antonio and the Hill Country since long before the hard part became normal.

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