Updated on September 4, 2026

The “Mansion Tax” Lock-In: How LA’s ULA Transfer Tax Is Reshaping the Real Estate Market

Los Angeles has long been a city defined by its real estate. From beachfront estates in Malibu to commercial towers Downtown, property has always been the lingua franca of wealth in this town. But since April 2023, a seismic policy shift has fundamentally altered the calculus for property owners across the city, and the ripple effects are only growing. Measure ULA, the voter-approved transfer tax colloquially known as the “Mansion Tax,” has created a powerful disincentive to sell, locking property owners into their current holdings and quietly reshaping the LA real estate landscape.

If you own or represent someone who owns, high-value property in the City of Los Angeles, here is what you need to know.

What Is the ULA Transfer Tax?

Measure ULA (United to House LA) was approved by Los Angeles voters in November 2022 and took effect on April 1, 2023. It imposes a documentary transfer tax on real property sales within the City of Los Angeles at two tiers:

• 4% tax on the total sale price for transactions exceeding $5 million
• 5% tax on the total sale price for transactions exceeding $10 million

Crucially, the tax applies to the entire sale price, not merely the amount above the threshold. That distinction makes a significant difference and catches many owners off guard.

The tax applies broadly. It is not limited to residential “mansions,” despite the nickname. Commercial properties, apartment buildings, industrial facilities, and mixed-use developments are all subject to the tax if they sell above the threshold amounts. The tax is assessed on any transfer of real property within city limits, including certain entity transfers that are treated as changes in ownership.

Running the Numbers: Three Examples

The math is straightforward, but the dollar amounts are sobering:

Example 1 — $5.1 million sale: The sale exceeds the $5 million threshold, so the 4% rate applies to the full sale price. ULA tax = $5,100,000 × 4% = $204,000

That is a $204,000 tax triggered by crossing the threshold by just $100,000. For context, the standard City of Los Angeles documentary transfer tax on the same sale would be approximately $22,950 — meaning the ULA tax adds nearly nine times the ordinary transfer tax burden.

Example 2 — $7 million sale: Still in the 4% tier. ULA tax = $7,000,000 × 4% = $280,000

Example 3 — $12 million sale: The sale exceeds $10 million, so the higher 5.5% rate applies to the full sale price. ULA tax = $12,000,000 × 5.5% = $660,000

To put that in perspective, the owner in Example 3 is writing a check to the city for $660,000 on top of brokerage commissions, closing costs, and capital gains taxes. For many sellers, that figure alone can turn a profitable sale into an exercise in frustration — or kill the deal entirely.

The Lock-In Effect: Why Owners Are Choosing Not to Sell

The ULA tax has created what economists call a “lock-in effect”  a powerful financial disincentive that discourages property owners from transacting, even when market conditions or personal circumstances might otherwise favor a sale.

Consider the owner of a multifamily property in West Los Angeles purchased in 2012 for $3.5 million and now worth approximately $8 million. That owner is sitting on roughly $4.5 million in appreciation, a success story by any measure. But under the current regime, selling triggers a ULA tax of $320,000 (4% of $8 million), on top of federal and state capital gains taxes that could easily exceed $1 million on the gain. The combined tax burden can consume a staggering share of the profit, and many owners are simply concluding: it’s not worth it.

This calculus is especially acute for long-time owners who acquired properties when values were significantly lower. These owners have the most appreciation, and therefore the most to lose. Rather than sell and redeploy capital, they hold. Properties that would otherwise enter the market stay off the market. Liquidity dries up.

The result is a kind of paralysis. Owners who might want to downsize, diversify, or move into a different asset class find themselves economically handcuffed to their current properties. The tax doesn’t just discourage marginal transactions — it fundamentally reshapes how owners think about their portfolios.

The Mortgage Rate Trap: A Dual Disincentive

If the ULA tax alone were not enough, layer on today’s interest rate environment and the lock-in effect becomes even more powerful.

Between 2020 and early 2022, mortgage interest rates plunged to historic lows. Many property owners — including commercial borrowers who refinanced during that window, locked in rates in the 3% to 4% range. Some residential borrowers secured rates below 3%. Those low-rate mortgages are now among the most valuable financial instruments these owners hold.

 

 

Today, with mortgage rates hovering in the 6.5% to 7.5% range for conventional residential loans and even higher for many commercial financing products, selling means giving up that low-rate mortgage. An owner who sells and purchases a replacement property at current rates may see their monthly debt service increase by 50% to 100%, even on a comparable property.

An Illustrative Scenario

Take an owner who purchased a $4 million property in 2021 with a $3 million mortgage at 2.5%. Their monthly principal and interest payment is approximately $11,850.

That property is now worth $6 million. If they sell:

• ULA tax: $6,000,000 × 4% = $240,000
• After paying off the existing mortgage, commissions, and closing costs, the net proceeds might fund a $3.5 million mortgage on a replacement property
• New mortgage at 7%: monthly payment of approximately $23,300

The owner has gone from paying $11,850 per month to over $23,000 per month — nearly doubling their housing cost — while simultaneously paying $240,000 in ULA tax and forfeiting the remaining benefits of their below-market mortgage. The financial logic of holding becomes overwhelming.

This dynamic creates what can fairly be called a dual lock-in: the ULA tax punishes the act of selling, while today’s rate environment punishes the act of buying again. Together, they make the status quo — holding the current property with the existing mortgage — the path of least financial resistance for an enormous number of owners.

Practical Impact on the LA Real Estate Market

The downstream consequences of this lock-in are real and measurable.

Reduced inventory. The most immediate effect is a contraction in available inventory, particularly in the upper tiers of the market. Properties that would normally trade every 5 to 10 years are being held indefinitely. Multifamily and commercial properties that might attract institutional buyers are lingering with their current owners rather than being brought to market. Fewer listings mean fewer transactions, less price discovery, and a market that feels frozen at the top.

Pricing distortions. For the properties that do trade, pricing dynamics have shifted. Some sellers attempt to pass the ULA tax to buyers by increasing the asking price, which can inflate headline values while reducing net proceeds. Others discount to account for the tax, creating confusion about where the market actually stands. In either case, the tax introduces friction that makes accurate valuations more difficult.

Chilling effect on development. Developers who build and sell are particularly exposed to the ULA tax, since every sale of a finished product above $5 million triggers the levy. Some developers have reported reconsidering project scope, shifting to build-to-hold strategies, or looking at development opportunities outside city limits. For a city with a well-documented housing shortage, any policy that discourages new construction carries significant long-term consequences.

Buyer frustration. On the demand side, buyers seeking high-value properties in Los Angeles face a thinner market with fewer options. Competition for available inventory can push prices higher — an ironic outcome for a tax that was intended to fund affordable housing. First-time buyers at the lower end of the affected range (properties just above $5 million) may find themselves priced into a tax they can barely afford on top of already-aggressive purchase prices.

Legal and Tax Planning Considerations

Given the magnitude of the ULA tax, property owners and their counsel are naturally exploring strategies to mitigate the burden. While no strategy eliminates the tax entirely without legitimate planning, several approaches merit consideration:

Timing of sales. Because the tax applies based on the sale price at the time of closing, owners should carefully consider market timing. A sale that closes at $4.95 million avoids the tax entirely, while a sale at $5.1 million triggers a $204,000 obligation. For properties near the threshold, negotiating a sale price just below $5 million — or structuring a portion of the consideration differently — may be worth exploring, though any arrangement must reflect genuine economic substance to withstand scrutiny.

1031 exchanges. A Section 1031 like-kind exchange can defer federal and state capital gains taxes on the sale of investment property, which significantly reduces the overall tax burden of a sale — even though the ULA transfer tax itself is not deferrable through a 1031 exchange. By deferring the capital gains component, a 1031 exchange can make a sale more palatable from a total-cost perspective, particularly for owners reinvesting in property outside the City of Los Angeles (and thus avoiding the ULA tax on the replacement property).

Entity structuring. Some owners have explored holding property through entities and effectuating transfers through changes in entity ownership rather than direct property sales. However, this area requires extreme caution. The City of Los Angeles has signaled its intent to scrutinize entity transfers that may be structured to avoid the tax, and the measure itself contains provisions addressing certain entity-level transactions. Any entity-based strategy must be carefully evaluated for compliance with both the letter and spirit of the law.

Installment sales and creative deal structures. Owners and buyers have explored installment sales, joint ventures, long-term leases with purchase options, and other creative structures designed to reduce or defer the tax impact. As with entity structuring, these approaches must be evaluated on a case-by-case basis with experienced tax and real estate counsel.

Monitoring legal challenges. The ULA tax has faced legal challenges since its inception, and the litigation landscape continues to evolve. Property owners should stay informed about pending challenges and any judicial developments that could affect the tax’s enforceability or scope.

Looking Ahead

Measure ULA was born from a genuine and urgent policy goal, funding affordable housing and homelessness prevention in a city grappling with both crises. But public policy always involves trade-offs, and the ULA tax has introduced significant unintended consequences into one of the nation’s largest and most complex real estate markets.

For property owners, the message is clear: the decision to sell a high-value property in Los Angeles is no longer just a market call — it is a tax planning event that demands careful analysis, creative structuring, and experienced counsel. For buyers, the constrained inventory environment means patience, flexibility, and a willingness to compete for the properties that do come to market.

And for all of us who work in Los Angeles real estate, whether as attorneys, brokers, investors, or advisors, the ULA tax is a reality that has fundamentally changed the game. Understanding its mechanics, its incentive effects, and its planning implications is no longer optional. It is essential.

*The information in this article is intended for general informational purposes and does not constitute legal or tax advice. Readers should consult with qualified professionals regarding their specific circumstances.*Your blog post is ready for review. It covers all five topics you requested:

Frequently Asked Questions About the Los Angeles Mansion Tax

What is the Los Angeles mansion tax?

The “mansion tax” is the common name for Measure ULA (United to House LA), a City of Los Angeles transfer tax that took effect on April 1, 2023. Despite its nickname, the tax applies to more than luxury homes and can affect commercial, multifamily, industrial, and mixed-use properties that meet the applicable sale-price thresholds.

How much is the ULA transfer tax?

Under the thresholds described in this article, Measure ULA imposes a 4% tax on qualifying transactions exceeding $5 million and a 5% tax on transactions exceeding $10 million. Importantly, the applicable rate is imposed on the entire sale price rather than only the amount above the threshold.

Does the Los Angeles mansion tax apply only to residential properties?

No. The ULA transfer tax can apply to commercial properties, apartment buildings, industrial facilities, and mixed-use developments in addition to residential properties. Certain entity transfers may also be treated as changes in ownership for purposes of the tax.

Why is the ULA tax causing a “lock-in effect”?

The tax can create a significant financial disincentive to selling, particularly for long-term property owners who have accumulated substantial appreciation. When the ULA tax is combined with capital gains taxes, brokerage commissions, closing costs, and other expenses, some owners may decide that selling is financially unattractive.

Does a mortgage affect the decision to sell a property subject to ULA?

It can. Owners who secured historically low mortgage rates may face substantially higher financing costs if they sell and purchase another property at today’s rates. Combined with the ULA transfer tax, this can create a “dual lock-in” that makes holding an existing property financially more attractive.

How has the ULA tax affected the Los Angeles real estate market?

The tax has contributed to concerns about reduced inventory, pricing distortions, and a chilling effect on development. Owners may be more reluctant to sell, while developers may reconsider whether to sell completed projects or pursue build-to-hold strategies.

Can a seller avoid the ULA tax by selling below the threshold?

A transaction below an applicable threshold may avoid the ULA tax, but transactions near the threshold require careful consideration. Any pricing or transaction structure should reflect genuine economic substance and should be reviewed with qualified legal and tax professionals.

Does a 1031 exchange eliminate the ULA transfer tax?

No. A Section 1031 exchange may defer certain federal and state capital gains taxes, but it does not defer the ULA transfer tax itself. However, the potential tax deferral can still affect the overall economics of a transaction.

Can property owners structure a transaction to reduce the ULA tax?

There are legitimate planning strategies that may be worth evaluating, including transaction timing, entity structuring, installment sales, and other deal structures. However, the rules can be complex, and arrangements designed primarily to circumvent the tax may receive scrutiny. Property owners should consult experienced real estate and tax counsel before implementing a structure.

About the Author

Zachary D. Schorr is a California real estate litigation attorney and the founding attorney of Schorr Law. He represents clients in specific performance actions, partition lawsuits, quiet title disputes, and complex real estate litigation throughout Southern California.

📍 Schorr Law
Call Us: (866) 999-2990
📧 zschorr@schorr-law.com

Full Bio | Contact | Instagram | View All Articles

Call Us

Phone: (866) 787-9384
Email: info@schorr-law.com
Address: 1901 Avenue of The Stars, Suite 615, Los Angeles, California 90067
Text: (833) 249-1634