Billionaires Secure All the Land They Need for California Utopia

A Silicon Valley group backed by billionaires said it’s acquired all the land it needs to build a utopian city in northern California, after quietly buying more properties in the past month.

Flannery Associates LLC, the company behind the California Forever project, acquired at least seven more land parcels totaling about 814 acres in Solano County in October, according to county records. The company now owns more than 53,000 acres in the area — after some parcels traded hands — where it plans to create a walkable, green community they say would generate thousands of jobs.

“With regards ...