In short: California actually did consider this. A 2024 bill, AB 1932, would have ended the state income tax deduction for mortgage interest on second homes and redirected the revenue toward housing programs. It never reached a floor vote. It stalled in committee and was formally shelved in May 2024. As of this writing, no similar bill has taken its place. That's not the same as a permanent guarantee, since state legislatures revisit revenue ideas fairly often, but it's a very different situation from an active threat, and it's worth knowing the difference before it shapes a real decision.

Daniel and Rachel bought a second home in Palm Springs two years ago, financed with a $400,000 mortgage they use partly for their own getaways and partly as an occasional rental. A friend recently mentioned, half in passing, that California was "about to get rid of" the mortgage interest deduction on second homes. Neither of them could remember where they'd heard it or whether it had actually happened, just that it sounded plausible enough to worry about.

The Bill That Started the Rumor

The rumor has a real source. Assembly Bill 1932, introduced in the 2023 to 2024 legislative session, would have eliminated the California state income tax deduction for mortgage interest on second homes entirely. The bill's own backers estimated it would generate roughly $110 million a year in additional state revenue, a figure they projected could grow to around $190 million if certain federal deduction rules were ever allowed to lapse. That money was intended to fund housing assistance and production programs elsewhere in the state.

What It Would Have Actually Changed, and What It Wouldn't Have

It's worth being precise about the scope, because rumors tend to grow past what a bill actually said. AB 1932 targeted only the California state income tax deduction, the Schedule CA benefit, not the federal deduction governed by the IRS. A second home's mortgage interest would have remained deductible on a federal return under the usual rules. It also would have applied specifically to second homes, not primary residences, so a homeowner's main house wouldn't have been affected regardless of the outcome. For someone like Daniel and Rachel, the bill was never about their day-to-day home in Los Angeles. It was narrowly aimed at the Palm Springs property.

Why It Died

AB 1932 never reached a vote on the Assembly floor. It was held in committee, and on May 16, 2024, it was formally left "under submission," the legislative equivalent of being shelved rather than defeated outright. The California Association of Realtors publicly opposed the bill while it was active, and it simply didn't advance any further in that session. Bills that stall this way don't automatically return in a later session. They have to be reintroduced from scratch, with a new bill number and a new committee process, which is a meaningfully higher bar than simply picking up where a stalled bill left off.

Could Something Like It Come Back

Here's the honest, unglamorous answer: nobody can promise it won't. State legislatures revisit revenue ideas that failed once, sometimes years later, especially when the underlying motivation, funding housing programs in a high-cost state, hasn't gone away. As of this writing, a review of California's current legislative session doesn't show a direct successor to AB 1932 targeting second-home mortgage interest specifically. That's meaningfully different from an active, pending proposal, but it isn't the same as a permanent commitment either. The realistic takeaway sits between two extremes: this specific rumor is currently out of date, and the underlying policy idea isn't necessarily gone forever.

Why This Shouldn't Be the Deciding Factor Anyway

Here's the part worth sitting with regardless of what happens to any future bill. A state income tax deduction on a portion of one property's mortgage interest is a relatively small piece of what actually makes second-home ownership work financially. We've walked through the fuller math, purchase costs, insurance, occupancy rules, and what changes if the property gets rented out, in what's actually different the second time you buy in California. A homeowner whose decision to buy or keep a second home depends heavily on a single state tax deduction is arguably already carrying more risk than the deduction itself represents, since state tax policy can shift for reasons that have nothing to do with real estate at all. That's true whether AB 1932 had passed, failed, or never existed.

Weighing It Honestly

Daniel and Rachel's Palm Springs mortgage interest is deductible on both their federal and California returns today, exactly as it was before AB 1932 was ever introduced. The bill that would have changed that specifically for second homes stalled in committee back in 2024 and hasn't been replaced. It's a fair thing to keep an eye on, the way it's fair to keep an eye on any state tax policy that affects a significant asset, but it isn't a reason to make a second-home decision out of fear of a proposal that already failed once. Families thinking about what happens to a second property over the long run, including passing one down, face a very different set of rules than this one, covered in passing down a house in California. And for a second home that, like Daniel and Rachel's, gets rented out part of the time, the deduction picture changes further still, a shift we've walked through in turning your first home into your first rental property.

Quick Check: California's Second-Home Mortgage Interest Deduction

About the author: I'm a licensed real estate agent practicing in California. This article is part of NITU Path, Chapter 7, a series written to walk buyers through their entire homeownership journey.

This article is for general informational and educational purposes only and is not tax or legal advice. Legislative proposals and tax law can change; consult a licensed CPA, tax professional, or the California Legislature's official records for the current status of any bill. Confirm current details before making financial decisions based on legislative status.

Sources:

• California Desert Association of REALTORS — California to Consider Eliminating Mortgage Interest Deductions on Second Homes

• LegiScan — California AB1932 (2023-2024) Bill Text and History

• California Legislative Information — AB-1932 Personal Income Tax: Mortgage Interest Deduction