Julian Bloch

Senior Director, Multifamily & Retail Investments · Kingside Investment Group

1031 Exchange for Los Angeles Apartment Building Sellers

When you sell an apartment building in Los Angeles, the federal and state tax exposure can be substantial. A building purchased for $1 million twenty years ago might sell today for $4 million or more. The gain is taxable at federal capital gains rates, plus California's ordinary income rate on all capital gains, plus depreciation recapture taxed federally at 25%. The combined tax bill on a typical mid-size LA apartment sale can reach 35 to 40 cents on every dollar of gain.

A properly executed 1031 exchange defers all of that. No capital gains tax at closing. No depreciation recapture tax at closing. The gain rolls forward into the replacement property, and you keep your equity working. That is the mechanism in plain terms.

The exchange is governed by Section 1031 of the Internal Revenue Code. The rules are specific and the deadlines are hard. Missing either the 45-day identification deadline or the 180-day closing deadline collapses the exchange entirely. California adds its own layer through the Franchise Tax Board's clawback provisions when replacement property is located out of state (CA FTB Form 3840). And for Los Angeles properties selling above $5 million, Measure ULA applies an additional transfer tax at closing that must be factored into net proceeds (City of Los Angeles, Measure ULA, 2023).

This guide walks through every component: the legal structure, the deadlines, the qualified intermediary requirement, like-kind rules, replacement property options specific to LA investors, the Measure ULA interaction, depreciation recapture deferral, the California clawback risk, and the most common execution mistakes we see in practice.

What a 1031 Exchange Is and How It Works

A 1031 exchange is a tax deferral mechanism authorized under Section 1031 of the Internal Revenue Code. It allows an owner of investment real property to sell that property and reinvest the proceeds into a new "like-kind" property without recognizing the capital gain at the time of sale. The gain is not forgiven. It is deferred, carried forward in the tax basis of the replacement property, and becomes taxable only when that replacement property is eventually sold outside of a subsequent exchange.

The structure works as follows. You sell your relinquished property. The sale proceeds go directly to a qualified intermediary, not to you. The intermediary holds the funds. You then identify a replacement property within 45 days and close on that replacement within 180 days. The intermediary transfers the funds to the seller of the replacement property. Your tax basis in the replacement property is the adjusted basis of your old property, not its fair market value. That deferred gain rides with you into the new asset.

The legal authority for this treatment dates to the original 1921 Revenue Act and was codified into what is now Section 1031 of the Internal Revenue Code. Treasury regulations under Section 1031 were substantially updated in 1991 to formalize the delayed exchange rules, and IRS Revenue Procedure 2005-14 established guidance on the interaction between 1031 exchanges and the Section 121 primary residence exclusion (IRS Rev. Proc. 2005-14).

One common misconception: the exchange is not a loophole or a special program you enroll in. It is a structural rule built into the tax code. Any investor selling real property held for investment or business use can use it, provided the mechanical requirements are met precisely.

The 45-Day and 180-Day Deadlines

The 1031 exchange runs on two hard deadlines. They are not negotiable. They cannot be extended by your escrow officer, your broker, or your intermediary. They can be extended only by a federally declared disaster affecting your county, and even then the extension must be officially authorized by the IRS.

The 45-Day Identification Period. Starting from the date your relinquished property closes, you have exactly 45 calendar days to formally identify potential replacement properties in writing. The identification must be delivered to your qualified intermediary, the seller of the replacement property, or another party to the exchange. A verbal identification does not count. An email to your broker does not count. The written identification must describe the property unambiguously, typically by legal description or street address, and must be signed and dated.

You may identify up to three properties regardless of their total value. Or you may identify more than three properties, provided the total fair market value of all identified properties does not exceed 200% of the value of your relinquished property. This is called the 200% rule. There is a third option, the 95% rule, which allows unlimited identifications but requires that you actually close on 95% of the total identified value. In practice, nearly all exchanges use the three-property rule.

The 180-Day Exchange Period. You must close on your replacement property within 180 calendar days of the closing of your relinquished property. This is the outer deadline. If you identified three properties and only closed on one of them, that is fine. If you fail to close on any identified property within the 180-day window, the exchange fails and the full gain becomes taxable in the year of the sale of the relinquished property.

One nuance for California sellers: the 180-day period is not extended by the California tax filing deadline. If your 180-day window crosses a tax year boundary, your tax return for the sale year may be due before the exchange closes. You would need to file for an extension to preserve the exchange treatment on your return (CA FTB, Publication 1005).

The Qualified Intermediary Requirement

The qualified intermediary is not optional. A 1031 exchange cannot be structured without one. The IRS regulations are explicit: the proceeds from the sale of the relinquished property must be held by a disinterested third party who is not the taxpayer or anyone considered an agent of the taxpayer. If the seller touches the proceeds at any point during the exchange, the exchange is disqualified.

The qualified intermediary is defined by what they cannot be. They cannot be your attorney, your accountant, your real estate broker, or anyone who has provided you services in the two years prior to the exchange. A sibling, spouse, or lineal descendant also disqualifies a person as a QI. The intermediary holds the exchange funds in a segregated account, executes the assignment of the purchase and sale contracts, and ensures the formal exchange agreement is in place before your relinquished property closes.

The QI is typically a title company, a specialized exchange company, or a financial institution. Fees range from approximately $700 to $1,500 for a basic delayed exchange. Reverse exchanges and improvement exchanges carry higher fees because of their additional complexity.

Seller beware: there is no federal licensing requirement for qualified intermediaries. Anyone can hold themselves out as one. You should confirm that your QI maintains fidelity bond and errors and omissions insurance coverage, carries your exchange funds in a segregated qualified escrow or trust account, and has experience with California-specific exchange requirements. In the event of a QI insolvency, your exchange funds can be at risk. This has occurred in practice with smaller operators.

Need help selecting a qualified intermediary or structuring your exchange? Call Kingside at (415) 250-7365 or contact us online.

Like-Kind Property Rules

For real estate, the like-kind requirement is broad. Any real property held for investment or productive use in a trade or business qualifies as like-kind to any other real property held for the same purpose. An apartment building is like-kind to a strip center. A fourplex is like-kind to a single-tenant NNN retail building. An apartment building is like-kind to a Delaware Statutory Trust interest in a warehouse portfolio.

What does not qualify: your primary residence, property held primarily for sale (a dealer or flipper's inventory), foreign real property (IRC Section 1031(h)), and personal property. The Tax Cuts and Jobs Act of 2017 eliminated like-kind exchange treatment for all personal property categories, leaving real estate as the only asset class eligible for 1031 exchange treatment (IRC Section 1031, as amended by TCJA 2017).

The property must also be located in the United States. An LA apartment building cannot be exchanged into a property in Mexico or Canada under Section 1031. Foreign-to-foreign exchanges have separate provisions under Section 1031(h) but are outside the scope of most Los Angeles investors.

One rule that catches sellers: you must hold the replacement property for investment or business use. If you intend to move into the replacement property as a primary residence immediately upon acquisition, the exchange fails the intent test. There is a safe harbor under IRS Rev. Proc. 2008-16 that addresses conversion of 1031 replacement property into a primary residence, but it requires a minimum two-year holding period before the conversion.

Replacement Property Options for LA Investors

Los Angeles multifamily owners conducting a 1031 exchange face a specific challenge: the city's own regulatory environment, Measure ULA taxes at higher price points, rent control constraints, and compressed cap rates can make replacing within LA unattractive. Most investors we work with are weighing at least one of the following paths.

Stay in Los Angeles Multifamily

For investors who want to remain in apartments in LA, the exchange can be used to upgrade the asset quality: larger unit count, better submarket, longer-term tenants. Koreatown continues to offer relative value compared to the Westside, which is why we have concentrated activity there. A property like 237 N. Catalina, a 10-unit building in Koreatown that closed at $2,520,000, represents the kind of asset that makes sense as both a relinquished and a replacement property depending on the investor's basis and goals. The buyer in that transaction inherited a property with real rental upside, manageable rent control exposure, and a known submarket.

Move to Other California Submarkets

Investors with low basis in LA assets sometimes look to Sacramento, the Inland Empire, or the Central Valley, where cap rates are more favorable and regulatory complexity is lower. The exchange proceeds from a Los Angeles building can buy significantly more income-producing capacity in these markets. The trade-off is management infrastructure and a different risk profile.

Exchange Out of State

Sun Belt markets, particularly Phoenix, Dallas, Atlanta, and parts of Florida, have attracted significant California 1031 capital. Cap rates in these markets have compressed from their 2020 and 2021 lows but still offer more yield than comparable California product. The important caveat: California's FTB clawback rules apply when a California property is exchanged into an out-of-state replacement. This is addressed in detail in the section below on the CA FTB clawback.

Delaware Statutory Trust (DST)

A DST is a fractional ownership interest in a large institutional-grade property, such as a Class A apartment complex, a medical office building, or an industrial distribution facility. DST interests qualify as like-kind replacement property under Revenue Ruling 2004-86 (IRS Rev. Rul. 2004-86). They are popular among owners who want to exit active management while preserving the tax deferral. The minimum investment is typically $100,000 per DST offering. The trade-off is illiquidity: DST interests cannot be traded, and you are dependent on the sponsor's management and exit timeline.

NNN Retail

Single-tenant NNN leases, anchored by corporate-guaranteed tenants such as Dollar General, AutoZone, or national fast food operators, appeal to investors who want passive income with no management responsibility. The tenant pays property taxes, insurance, and maintenance. Cap rates vary but are generally higher than LA apartment cap rates. The risk is tenant creditworthiness and the impact of retail disruption on lease renewal.

Measure ULA and High-Value Sales in Los Angeles

Measure ULA, passed by Los Angeles voters in November 2022 and effective April 1, 2023, imposes an additional transfer tax on residential and mixed-use property sales within the City of Los Angeles above specified thresholds (City of Los Angeles, Measure ULA, 2023). The tax applies at closing and is the seller's obligation.

For sales between $5 million and $10 million, the additional tax rate is 4%. For sales above $10 million, the rate is 5.5%. This is on top of the existing combined Los Angeles city and county documentary transfer tax of approximately 0.56% of the sale price.

On a $6 million apartment building sale, the Measure ULA tax alone is $240,000. That is real money that reduces the net proceeds available to roll into the exchange. Many sellers who have not run the math are surprised by this. The interaction between Measure ULA and a 1031 exchange is important to understand: Measure ULA reduces your net exchange proceeds, which means you may have a smaller equity pool to deploy into replacement property than the sale price suggests.

One practical point: Measure ULA applies only within the City of Los Angeles boundaries. Properties in unincorporated LA County, or in separate municipalities like Culver City, Santa Monica, or Long Beach, are not subject to Measure ULA, though they may have their own documentary transfer tax rates.

Depreciation Recapture Deferral

Depreciation recapture is often underestimated by apartment owners who have held a property for a long time. Every year, you have been entitled to deduct a portion of the building's cost basis as depreciation on your tax return. Residential rental property is depreciated over 27.5 years under the modified accelerated cost recovery system (MACRS). Commercial property is depreciated over 39 years. If you have owned your building for 15 years and taken all allowable depreciation, a significant portion of your original cost basis has been expensed and is now subject to recapture.

The IRS taxes depreciation recapture at 25%, not at the long-term capital gains rate. It is a separate category of gain. For an investor who purchased a $1.2 million building 20 years ago, the accumulated depreciation might represent $600,000 or more of the building's cost basis, generating a recapture tax of approximately $150,000 at a 25% rate, separate from the capital gains tax on appreciation.

A 1031 exchange defers depreciation recapture along with the capital gains. The deferred depreciation becomes embedded in the lower basis of the replacement property. If you eventually sell the replacement property without doing another exchange, both the capital gain and the accumulated depreciation recapture become taxable at that time. The tax is deferred, not eliminated, unless the property is held until death, at which point heirs receive a stepped-up basis and the embedded gain may never be recognized (Internal Revenue Code Section 1014).

California FTB Clawback for Out-of-State Exchanges

California has a provision that many sellers overlook when they exchange out of state. If you sell a California property in a 1031 exchange and acquire replacement property outside of California, the California Franchise Tax Board requires you to file an annual information return, Form 3840, for each year that you hold the replacement property. The form tracks the deferred gain attributable to the California-source relinquished property (CA FTB, Form 3840 Instructions).

When you eventually sell the replacement property and trigger the deferred gain, California will assert its right to tax that gain as California-source income, even if you are no longer a California resident at the time of the sale. This is the clawback. The deferred gain that originated from the sale of a California property remains subject to California taxation regardless of where the replacement property is located or where you live when you eventually sell.

This has real implications for investors who plan to retire out of state and think they can escape California's tax rate by moving to Nevada or Texas before selling. The California FTB has specific authority to reach back and tax that deferred California-origin gain. Tax professionals who specialize in California real estate transactions are familiar with this risk. It should be part of the planning conversation before you decide where to exchange into.

The clawback does not apply if you exchange into another California property. In that case, California retains jurisdiction over the replacement asset in the normal course, and no Form 3840 is required.

Considering an out-of-state exchange and want to understand the California FTB implications? Call Kingside at (415) 250-7365 or contact us online.

Starting the Replacement Search Before You Close

The 45-day identification clock starts the moment your relinquished property closes. Not when you start thinking about it. Not when you call your broker. The moment escrow closes and the deed records. From that point, you have 45 days to identify in writing.

Forty-five days is not much time to find, evaluate, tour, negotiate, and execute a letter of intent on one or more replacement properties. In a competitive market with limited inventory, it is often insufficient if you start from zero. The investors who complete exchanges successfully typically begin their replacement property search well in advance of listing their relinquished property, sometimes three to six months before the anticipated close.

This means having your broker identify candidate properties, running preliminary underwriting on potential replacements, and understanding the off-market landscape before your exchange clock is ticking. At Kingside, we coordinate the sale and the replacement search simultaneously when we are representing a client in an exchange. The relinquished property comes to market with a parallel search underway. By the time the sale closes, the seller has a short list of identified properties and in some cases a negotiated purchase agreement already in place.

For the 1511 W. 4th St transaction, a 20-unit building that closed at $1.96 million after a nine-year hold, the seller had been watching the market for replacement options for several months before the listing went live. That advance work made it possible to identify and move quickly on a replacement property without the 45-day clock becoming a source of pressure.

1031 Exchange by Sale Price: What to Expect

The mechanics of a 1031 exchange are the same regardless of the sale price. The practical complexity, the pool of replacement options, and the tax exposure all change significantly as the price increases. The following table summarizes what sellers in different price bands typically encounter.

Types of 1031 Exchanges: Which Structure Applies to Your Sale

Not all 1031 exchanges follow the same structure. Most apartment building sales in Los Angeles use a delayed exchange, also called a forward exchange. But there are circumstances where a reverse exchange or an improvement exchange is appropriate. Understanding the options matters before you close.

Common Mistakes That Kill an Exchange

Over more than 20 years of representing multifamily buyers and sellers in Los Angeles, we have seen exchanges collapse at nearly every stage. The following are the mistakes that appear most often.

Taking constructive receipt of the proceeds. If the sale proceeds hit your personal account, your LLC's operating account, or any account you control before the exchange is complete, the exchange is disqualified. This happens when sellers set up the exchange too late or when their escrow company wires proceeds to the wrong account. The qualified intermediary must be engaged before the relinquished property closes, and the proceeds must flow to the intermediary directly.

Missing the 45-day identification deadline. This is the most common failure point. Sellers who close their sale and then begin their replacement search are frequently unable to identify a viable property in 45 days. The clock does not stop for holidays, weekends, slow markets, or unsuccessful negotiations. If day 45 arrives with no written identification submitted, the exchange fails entirely.

Inadequate property identification. Identifying "a multifamily property in Los Angeles" is not sufficient. The identification must describe a specific property unambiguously, typically by street address or legal description. Vague identifications are rejected by the IRS.

Boot. Boot is any portion of the exchange proceeds that you receive in cash, or any reduction in mortgage liability that is not offset by new mortgage debt on the replacement property. Boot is taxable in the year of the exchange. To defer the entire gain, you must reinvest all net proceeds into the replacement property and carry at least as much debt as you had on the relinquished property. If you pay cash for the replacement and had a mortgage on the relinquished property, the mortgage relief is treated as boot.

Related-party exchanges. Exchanging into a property owned by a related party (a family member, a partnership in which you have a significant interest) can be disqualified under the related-party rules of Section 1031(f). These rules exist to prevent sellers from using the exchange to effectively cash out gains while maintaining control of the same property through a family member.

Not accounting for Measure ULA in the exchange budget. Sellers in the $5 million to $10 million range sometimes budget their exchange based on the sale price without subtracting the Measure ULA tax. The result is a shortfall in exchange equity that must be covered by cash, which is treated as boot.

Recent Kingside Closings Relevant to 1031 Exchange Planning

The best context for understanding 1031 exchange strategy comes from actual transactions. Every deal has different tax circumstances, different basis, and different seller objectives. These recent Kingside closings illustrate the range of situations we navigate.

237 N. Catalina, Koreatown, 10-unit, $2,520,000. A 10-unit building in a submarket where we hold 66% market share on 10-unit-plus sales. The buyer here was an experienced Koreatown investor who had sold a smaller property and was using the exchange equity to step up to a 10-unit asset. The rental upside in the property made the basis carry from the exchange logical.

1111 Echo Park Ave, $6,250,000. At this price point, Measure ULA applied. The seller's tax advisors and our team worked through the net exchange equity well in advance of closing, ensuring the replacement property budget reflected the actual proceeds after Measure ULA and other closing costs. The seller identified two replacement options before close, preserving flexibility on the 45-day clock.

1411 S. Burlington, Pico Union, $2,650,000. A sub-Measure-ULA transaction where the seller had held the property for 18 years and accumulated substantial depreciation. Recapture was a significant portion of the tax exposure, and the 1031 deferred it entirely. The seller used exchange proceeds to acquire a newer-vintage asset with lower repair and maintenance obligations.

1125 E. 52nd St, South LA, $2,650,000. South LA properties at this price point attract buyers who are often doing exchanges from smaller assets elsewhere in the county. The transaction closed with a buyer who had sold a smaller duplex in a high-basis market and was reinvesting into a larger South LA asset with better income yield relative to basis.

1511 W. 4th St, 20-unit, $1.96M, nine-year hold. After a nine-year hold, the seller had significant basis erosion from depreciation and appreciation. The exchange deferred a seven-figure combined tax liability. The asset's price point fell below the Measure ULA threshold, preserving more net equity for reinvestment. The seller had been watching the replacement market for months before listing, which is the approach we recommend.

For additional background on the overall process of selling an LA apartment building, including pricing, marketing, escrow, and tenant considerations, see our complete guide: How to Sell an Apartment Building in Los Angeles. For sellers specifically in Koreatown, see: How to Sell an Apartment Building in Koreatown, Los Angeles.

Julian Bloch

Senior Director, Multifamily & Retail Investments — Kingside Investment Group

Julian Bloch has closed 169 multifamily transactions totaling $336.5M in sales volume and 1,700+ units across LA County. He specializes in apartment buildings from Koreatown to Echo Park, Highland Park, South LA, and beyond.

(415) 250-7365  |  julianbloch@kw.com