Home Building Slowed in September. Builders Blame 7% Mortgages and Rising Costs.

The facts come first below. My opinion follows in the section marked as opinion.

American builders started fewer homes in September, the government reported Tuesday, as high mortgage rates and rising costs weighed on construction. Privately owned housing starts fell to a seasonally adjusted annual rate of 1,221,000, which is 5.2 percent below the revised August estimate and 7.4 percent below September 2025, according to the U.S. Census Bureau and the Department of Housing and Urban Development.

The numbers

Single-family starts fell 4.6 percent from August to an annual rate of 859,000. Building permits, a sign of future construction, slipped 0.2 percent to 1.4 million and were 3 percent below a year earlier. Single-family permits fell 4 percent to 845,000. Completions rose 2.2 percent from August to 1,192,000 but were 14 percent below September 2025, the Census Bureau reported.

The bureau notes that its monthly estimates carry wide margins of error. The 5.2 percent drop in starts comes with a range of plus or minus 11.8 percent, which means the monthly change by itself is not statistically certain.

There was one bright spot. Single-family starts were up 2.6 percent compared to September 2025, according to the National Association of Home Builders. Realtor.com noted that the year-over-year comparison comes against 2025's multi-year low.

What builders and economists say

"Housing starts declined in September as high mortgage rates, persistent affordability challenges and rising construction costs held back home building," said Bill Owens, chairman of the NAHB and a builder from Worthington, Ohio. "A sustained increase in home building is key to long-term affordability, but near-term construction depends on mortgage rates, financing conditions and efforts to ease regulatory barriers," Owens said.

The group's forecaster, Danushka Nanayakkara-Skillington, said the data "align with our forecast of lower production in 2026, with further declines expected in 2027 as rates stay elevated and material costs rise," according to the NAHB.

Realtor.com reported that Freddie Mac put the average 30-year fixed mortgage rate at 7.4 percent last week, and that the NAHB/Wells Fargo builder confidence index fell to a 14-year low on Monday. The site's economist, Joel Berner, said, "The market is not conducive to building right now, and the diminished starts and completions figures make that clear." He added, "However, the relative resiliency of new home permitting shows that builders see these conditions as temporary," Realtor.com reported.

Berner also pointed to costs. "When building costs are high, like they currently are due to tariffs on construction materials and a shortage of construction labor, larger projects with higher margins are more appealing," he said. And he noted an upside for shoppers: "buyers hold the negotiating power in the new home market and can find some exceptional deals on new homes," according to Realtor.com.

Opinion: Build more homes, and get out of the way

A home is more than an investment. For most families it is where children are raised, where neighbors are welcomed and where a life is rooted. Scripture's picture of a blessed people is one where "they shall build houses, and inhabit them." When building slows, young couples wait longer to buy, rent longer, and sometimes put off marriage and children.

No single month tells the whole story, and the Census Bureau's own margins of error are a reason for caution. Single-family starts are still up from a year ago. But the direction is not good. Permits for single-family homes are down, the builders' own forecast calls for lower production in 2026 and more declines in 2027, and builder confidence is at a 14-year low.

Washington cannot set mortgage rates by wishing, and the Federal Reserve answers to inflation, not politics. But leaders can control costs that they create. The builders' chairman named regulatory barriers. A housing economist named tariffs on construction materials and a shortage of workers. Those are fair targets for both parties. Conservatives who believe in free markets should want local zoning that lets builders build, permitting that moves at the speed of a business, and trade policy that does not quietly add to the price of every house.

There is wisdom in the old order of things: "Prepare thy work without, and make it fit for thyself in the field; and afterwards build thine house." Families who are ready to build should not be held back by rules and costs that serve no one.

For buyers, there is some good news. Realtor.com's economist says builders are offering deals, and patient shoppers may find one. Texans looking to keep more of what they own can also read our guide Texas Homeowners Missing the Homestead Exemption: How to Claim It.