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A Court Rules That San Francisco's Empty Home Tax Is Illegal

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Britschgi, C. (2026, October 2). A Court Rules That San Francisco's Empty Home Tax Is Illegal. Reason. https://reason.com/2026/10/02/a-court-rules-that-san-franciscos-empty-home-tax-is-illegal/

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Reason · collected 2026-10-02 · by Christian Britschgi

Quick Summary

A California appeals court has ruled that San Francisco's vacant home tax, Proposition M, is illegal due to conflict with the state’s Ellis Act, which protects property owners' rights to withdraw their units from rental markets without facing penalties. The tax was set to take effect in 2024 but faced legal challenges from landlords and property owners who argued it infringed on constitutional rights and violated privacy protections under California law. Despite San Francisco's argument that the tax did not restrict exiting the rental market, Judge Kathleen Banke found this reasoning unreasonable, upholding the lower court’s decision to ban collection of the tax.
Written by AI on 2026-10-02, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

A California appeals court ruled that San Francisco's vacant home tax, also known as Proposition M, is illegal. Passed by voters in 2022, the tax was designed to encourage property owners to put their unoccupied rental units back on the market. However, the court found that this local measure conflicts with a state law called the Ellis Act, which protects landlords' rights to exit the rental business without facing penalties or restrictions. Proposition M aimed to address San Francisco's housing shortage by imposing taxes on vacant homes, but opponents argued it would have little impact and was legally flawed. The city attorney’s office has not yet decided whether to appeal this ruling to the state Supreme Court.

Written for “San Francisco Empty Home Tax Ruling” on 2026-11-05, grounded in this article and the 0 other(s) covering the same event.

Story

📰 San Francisco Empty Home Tax Ruling
Politics · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 9% of its claims. Each row says how that neighbour differs.
New York Post
Hedges 0 of 12 claims Outlet record 66/100
“The articles discuss different aspects of housing policies and conditions in San Francisco and New York City, not a single specific incident.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
33
sentences that state something as happening or true
Uncertain
9%
3 of 33 hedged ("reportedly", "may", "according to")
Leaning
withheld
no quote in the article backed the model's score
Publisher signals
67/100
Reason's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Politics
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-02 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Reason · 1146 article(s) · 4 correction(s) detected
Running correction rate · 4 correction(s)

Who wrote this

Christian Britschgi
23 article(s) here · 1 carrying a prediction
🔮 Some interesting findings when you dig into the ad data and results. pic.twitter.com/EZlGYBRG6u — Dave Vorland (@DaveV15) November 4, 2026 But that could be explained by all candidates turning against data centers.
2026-11-04 · assertive framing · It Was a Data Center Election After All
🔮 The votes are still being counted, but news outlets have already called the D.C. mayor's race for Councilmember Janeese Lewis George.
🔮 Today, voters (who didn't vote early or vote by mail, at least) will go to the polls to pick their national, state, and local elected officials and decide a long list of ballot initiatives.
2026-11-03 · assertive framing · The Housing Ballot Initiatives To Watch
🔮 Early voting is still ongoing in Washington, D.C.'s elections, but everyone already knows who the winner of the mayoral race is going to be.
🔮 Texas might finally turn blue, and the man poised to do it is a mask-wearing, trans rights–supporting, Gnostic Gospel–quoting liberal from Austin.
🔮 When the 21st Century ROAD to Housing Act was still a work in progress, the Senate briefly inserted a ban on corporate ownership of single-family rental housing so sweeping that it might well have killed off the small but growing build-to-rent sector.
🔮 While Congress' new housing law officially eliminates the chassis requirement, actually implementing this deregulatory change will require a number of additional federal rules and further local and state deregulation.
2026-10-13 · assertive framing · Code Games 2.0
🔮 The best the homeowners could do was petition the then-queen to intervene on their behalf.
🔮 As it happens, privatization of airport security screening would spare screening agents from one of their most persistent beefs: having to work without being paid during government shutdowns.
🔮 A spokesperson for San Francisco city attorney David Chiu declined to say whether the city would appeal the ruling to the state Supreme Court.
Also by Christian Britschgi
Freed Up: Live Midterm Reactions
2026-10-30 · Reason
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 23 articles by Christian Britschgi →

Topics

California Proposition M San Francisco San Francisco's the Ellis Act

Subjects

San Francisco GPE · 4× San Francisco's GPE · 3× Berkeley GPE · 2× California GPE · 2× Oakland GPE · 2× Banke PERSON · 1× Court of Appeal ORG · 1× Kathleen Banke PERSON · 1× the First District of California's GPE · 1× the Superior Court of San Francisco ORG · 1×

Narrative

"As the City apparently sees it, while a property owner, indeed, has the right to exit the residential rental business, they have no correlative right to remain out of that business and can be pressured back into it on pain of significant taxation.
framing: assertive · carried by 1 article(s) · first seen 2026-10-02
🔮 A spokesperson for San Francisco city attorney David Chiu declined to say whether the city would appeal the ruling to the state Supreme Court.
2026-10-02 · Reason
A Court Rules That San Francisco's Empty Home Tax Is Illegal · assertive framing

Claims (33 extracted, 3 hedged)

Against the increasingly mainstream view that housing costs are high because new supply is constrained by regulation is an alternative thesis: There are plenty of homes once vacant units deliberately held off the market are accounted for. asserted
units → constrain → market
To fix this problem, a handful of California cities have adopted vacancy taxes to try and force these allegedly hoarded homes back onto the market. uncertain
handful → fix → market
Critics of empty home taxes point to the minimal, consistent tax revenue these levies raise as evidence that only a small number of homes remain persistently unoccupied and the tax does little to bring them back onto the market. asserted
tax → point → market
Earlier this month, a California appeals court upheld a lower court ruling that had struck down San Francisco's empty home tax. asserted
that → uphold → tax
In an opinion authored by Judge Kathleen Banke, the court reasoned that the city's tax was superseded by a state law, known as the Ellis Act, which guarantees property owners' right to withdraw their units from the rental market. asserted
which → author → market
San Francisco's empty home tax, known as Proposition M, was passed by voters in 2022. The tax was scheduled to be implemented in 2024. asserted
tax → know → 2024
In 2023, a collection of owners of vacant units and trade associations representing landlords challenged the tax on a range of legal and constitutional grounds. asserted
collection → represent → grounds
They argued the tax infringes upon the Fifth and Fourteenth Amendments of the U.S. Constitution by singling out property owners' right to not rent out their units for special taxation. asserted
tax → argue → taxation
The tax also violates the California Constitution's privacy protections, they claimed. asserted
they → violate → protections
They also argued that the tax was illegal because it charged property owners for exercising their rights under the state's Ellis Act to remove rental units from the market. asserted
it → argue → market
In 2024, the Superior Court of San Francisco ruled in plaintiffs' favor on all these counts and forbade the city from collecting the tax. asserted
Court → rule → tax
The city appealed the ruling to the First District of California's Court of Appeal. asserted
city → appeal → Appeal
That court also sided with plaintiffs on their claim that San Francisco's tax was superseded by the Ellis Act. uncertain
tax → side → Act
Throughout the litigation, San Francisco had argued that it was not restricting owners' right to remove their units from the rental market. asserted
it → argue → market
It was merely taxing them for holding units vacant. asserted
It → tax → units
"As the City apparently sees it, while a property owner, indeed, has the right to exit the residential rental business, they have no correlative right to remain out of that business and can be pressured back into it on pain of significant taxation. asserted
they → see → taxation
This circularity in reasoning is a patently unreasonable reading of the Ellis Act," she wrote. asserted
she → write → Act
Because the tax is illegal under state law, the appeals court declined to rule on the plaintiffs' constitutional claims. uncertain
court → decline → claims
A spokesperson for San Francisco city attorney David Chiu declined to say whether the city would appeal the ruling to the state Supreme Court. asserted
city → decline → Court
In addition to San Francisco, Oakland and Berkeley have both adopted vacancy taxes. asserted
Oakland → adopt → taxes
San Diego has also considered adopting an empty home tax. asserted
Diego → consider → tax
The ruling in the San Francisco case would seem to put those taxes in legal jeopardy as well. asserted
ruling → seem → jeopardy
Already, Berkeley officials have reported that some property owners have not been paying the city's vacancy tax because of its uncertain legality. asserted
owners → report → legality
In a recent audit, Oakland officials rated their vacancy tax (which applies to both empty lots and vacant units) a revenue success. asserted
which → rat → lots
It's consistently pulling in $6 million a year. asserted
It → pull → million
The city's auditor said it was having little impact on bringing productive use to empty lots and units. asserted
it → say → lots
Vacancy taxes generally disappoint on the supply front. asserted
taxes → disappoint → front
As studies have shown, there are just not that many homes that sit empty for long stretches of time. asserted
that → show → time
That's particularly true in cities facing severe housing cost pressures. asserted
That → face → pressures
Indeed, low-vacancy rates are generally considered a symptom of an overall housing shortage. asserted
rates → consider → shortage
When rents are high, property owners face a strong incentive to rent out whatever spare square footage they have. asserted
they → face → footage
Higher vacancy rates are typically associated with a healthier, better-supplied housing market. asserted
rates → associate → market
In addition to the legal problems they pose, taxes designed to drive high-cost cities' already-low vacancy rates down to zero misdiagnose the problem. asserted
taxes → pose → problem
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