Year-End Tax Planning for Real Estate Investors: 7 Moves to Make Before December 31

This article recaps a November 2026 webinar hosted by Best Ever with the Gelt tax team. It is general education for real estate investors, not tax advice, and figures reflect the 2026 tax year.

Year-end tax planning for real estate investors comes down to one fact: most of the moves that shape your 2026 tax bill have to happen by December 31. In a recent session hosted by Best Ever, Rachel Richards and Gelt tax strategist Adam Bolitho walked through what is already locked for 2026, what is still open, and what investors should bring to their CPA before the year closes.

Watch the full webinar: Year-end tax planning for real estate investors with Best Ever and Gelt.

1. Start with where you stand

Before you buy, sell, or renovate anything, get a current projection of your 2026 taxable income. Some things are already set for this year, such as properties you sold or refinanced months ago. Others are still open, including placing new property in service, timing a sale, and retirement contributions.

Compare this year's expected tax rate with next year's. In general, you usually want to accelerate deductions and defer income. If you expect a much higher-income year in 2027, it may be beneficial to do the opposite and pull income into this year and push deductions to next year instead. You also need to look at the whole portfolio, not one property in isolation, to fully understand where you stand. Here's why timing matters so much in tax planning.

2. Depreciation starts when a property is placed in service, not when you buy it

This is the most common surprise the team sees. A property is placed in service when it is ready and available for its intended use. A building you closed on in December that still needs a full renovation before tenants can move in may not be in service yet. In that case, the purchase price and renovation costs do not generate 2026 depreciation, even though the cash is already gone.

If you are counting on depreciation from a 2026 acquisition, confirm the property will be rent-ready, and ideally listed, before year-end.

3. Use cost segregation and bonus depreciation deliberately

A cost segregation study breaks a property into components with shorter recovery periods, which moves depreciation into the early years of ownership. With 100% bonus depreciation restored for qualifying property, the first-year deduction can be large.

One point in your favor is timing. The property has to be in service by December 31, but the study itself can generally be completed after year-end, before you file. Two cautions apply. Not every state follows federal bonus depreciation. And a large deduction only helps if you can actually use it, which leads to the next point.

4. Know what limits your losses

Rental losses are generally passive. Passive losses can offset passive income from the same property or other passive activities, but not your W-2 or business income, unless you qualify as a real estate professional and materially participate.

Even then, a second limit applies. For 2026, the excess business loss threshold is $256,000 for single filers and $512,000 for joint filers. Business losses above that amount carry forward as a net operating loss. Run the numbers before you assume a cost segregation study will wipe out your other income.

5. Plan your exits, including the recapture

Choosing whether to sell in December or January can move the entire gain from one tax year to the next. An installment sale can spread the gain across years.

When you fully dispose of a property, any suspended passive losses from it generally become deductible. That can offset a large part of the gain.

Depreciation does not come for free. When you sell, depreciation you took on the building is generally taxed at up to 25%. Components a cost segregation study reclassified can be recaptured at ordinary income rates. Recapture does not change how much gain you have. It changes the rate on part of it, so build it into your hold-period math from the start. For more on sales, losses, and foreclosures, see our guide to real estate exit taxes.

6. Watch the 1031 clock

A 1031 exchange defers the gain by rolling it into a replacement property. You have 45 days to identify the replacement and 180 days to close, or until your tax return due date if that comes first. For a sale in late 2026, the April filing deadline can cut the 180 days short. Extending your return preserves the full window.

The most expensive mistake the team sees is touching the sale proceeds. Use a qualified intermediary from the start. If the cash passes through your hands, the exchange generally fails, and there is no fixing it after the fact.

7. Fund retirement accounts and true up estimates

A solo 401(k) allows total contributions of up to $72,000 for 2026. Plan documents generally need to be in place before year-end, and contributions must come from earned income. Rental income usually does not count, but income from an active business or property management activity may.

Also check your estimated payments. If a strong year left you behind on estimates, paying in before year-end can limit underpayment penalties. If you or a spouse have W-2 wages, ask your tax advisor whether adjusting withholding is the better route.

Frequently asked questions

What is the biggest year-end tax mistake real estate investors make?

Assuming a property generates depreciation the moment it closes. Close behind is breaking a 1031 exchange by taking control of the sale proceeds without a qualified intermediary.

How does depreciation recapture work when I sell?

Depreciation lowers your basis, so it increases your gain at sale. The portion tied to building depreciation is generally taxed at up to 25%. Components reclassified through cost segregation can be taxed at ordinary rates.

Will a cost segregation study trigger an IRS audit?

A large depreciation deduction is not a red flag by itself if it matches the property and is backed by a proper study. What draws attention is numbers that do not make sense for the asset. Keep the study and supporting documentation on file.

Should I hold rental property in an S corporation?

Usually not. Real estate is generally held in an LLC taxed as a partnership or a disregarded entity. Moving appreciated property out of an S corporation later can create tax, and S corporation basis rules are less flexible for debt-financed property.

Talk to a Gelt strategist before December 31

Every move here depends on your full tax picture, and most of them close when the calendar does. If you want to see what is still on the table for your portfolio this year, talk to a Gelt strategist. You can also see how Gelt works with real estate investors.