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An Abundance of Influence

A group of YIMBY Big Tech donors took over San Francisco politics. Now they’re setting their sights on the rest of the country.

San Francisco Mayor Daniel Lurie at a January press conference announcing a new initiative for homeless treatment.

Housing costs in fast-growing cities around the world have quadrupled since 1950. In the United States, that means nearly half of the country’s renters are paying more than 30 percent of their income for housing—an outlay that eats into already overstretched budgets for other essential expenses such as food, healthcare and transportation.

Nowhere has the affordability problem been worse than in San Francisco. Between 1980 and 2019, the city’s housing costs increased by as much as 600 percent, according to the U.S. Bureau of Labor Statistics and records from the San Francisco Rent Board. That increase is more than double the national average over the same time span.

Democratic policy wonks have embraced the deregulatory “abundance” movement—kickstarted by the 2025 book of the same name by Ezra Klein and Derek Thompson—as a solution to the housing crisis. The central mandate here was to institutionalize an ethos of  YIMBYism — short for Yes in My Backyard — in order to ramp up the housing supply and drive down costs. The argument was seductive since it offered a simple proposition to a pressing problem: Remove barriers to housing development — from red tape, and community and environmental review, to limits on building height—and a housing boom would ensue, ensuring at long last that cities would be able to meet a rising demand for housing.

But San Francisco illustrates another dynamic, which saw  the city’s political scene rapidly transformed into a playground for the ultrawealthy. The YIMBY movement did not merely push for relaxed zoning— it became a stalking horse for Bay Area tech titans who used it as a political vehicle to seize local power. 

As documented in a recent report by the Phoenix Project, San Francisco’s YIMBY uprising became in short order the vanguard of an emergent astroturf network. Starting in 2020, the ultrarich began backing a new welter of political pressure groups sporting warm, pro-housing monikers such as Neighbors for a Better San Francisco, Together SF, and Abundant SF (which later became Abundance Network) to oust progressives from local government. University of California, Santa Cruz Sociology professor Katharyne Mitchell and PhD candidate Gregory Woolston have described this local political takeover as revanchist populism, plying a brand of“revenge” politics funded by conservative elites. And it’s clearly working: according to an analysis from the San Francisco Chronicle, the composition of the city’s board of supervisors shifted decisively rightward in 2024.

Positioning themselves as sensible moderates in a progressive metropolis allegedly drunk on its own regulatory powers, the members of San Francisco’s abundance power elite include Mayor Daniel Lurie and supervisors Bilal Mahmood and Stephen Sherrill, as well as former supervisor Joel Engardio. They’ve campaigned   for reactionary  policies like cuts to LGBTQ assistance and public health programs, gutting environmental review, defunding free legal aid, and blocking a one-off wealth tax. And after winning office, they’ve worked tirelessly to roll back progressive gains on criminal justice, renter protections, and environmental regulations.

Now, Silicon Valley is running the same playbook in an effort to take over the national Democratic Party. Internal fundraising materials obtained by the Phoenix Project and first reported on by one of us in The American Prospect detail how Zack Rosen, co-founder of California YIMBY and the Abundance Network, and his allies have amassed a funding stream of $260 million annually from wealthy benefactors. (Rosen told the Prospect that these numbers were incorrect. He pointed to a figure citing a $120 million donation from John Arnold, saying that it was closer to $40 million........

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