In the suburbs of Wichita, Kansas, local homebuilder Carl Harris used to charge homebuyers around $330,000 for one of his new-construction homes aimed at growing families. Now, he’s selling that same house for $450,000 — putting it out of reach for the typical household there.

“The payment on that home two and a half years ago was about $1,700. Today, it is just over $3,000,” said Harris, who also serves as chair of the National Association of Home Builders. “That continues to lock…