Can Military Families Skip Taxes When Selling a Home?

If you turn on the Internet machine, it won’t be long before you find out that you might be able to skip paying taxes on the gains you make when selling a home. Because tax topics need nerdy names, we’ll call this the Section 121 “2 of 5” rule, and for military families it can be the “2 of 15” rule. (Although it’s really the “stop the clock for up to 10 years rule…) As with all tax topics, there are devilish details, so let’s dive into those.

Section 121 101

Section 121 of the Internal Revenue Code (IRC) allows eligible taxpayers to exclude a portion of the capital gain from the sale of their principal residence from their taxable income. This means you can keep more of the profit from your home sale, rather than sending it to the taxman.

How it works:

Exclusion Amounts: You can exclude up to $250,000 of gain if you are a single filer, or up to $500,000 if you are married filing jointly. You can do this as often as every 2 years, it’s not a once per lifetime opportunity.
You Shall Pass… if you pass these two tests:
- Ownership: You must own the home for at least two years during the five-year period ending on the date of the sale.
- Use: You must have used the home as your principal residence for at least two years during the same five-year period ending on the date of the sale. I.e., this doesn’t work if the property was always a rental home.
- The two years of ownership and use do not need to be consecutive. For example, if you lived in your home for one year, moved out for two years for work, and then moved back in for another year before selling, you would still meet the two-year use test.
“Look-Back”: You can only claim the Section 121 exclusion once every two years. This two-year period is a rolling window, meaning it’s measured from the date of the sale of your current home back to the date of the last home sale for which you claimed the exclusion. For example, if you sold a home and excluded the gain on January 1, 2024, you would not be able to claim the exclusion again until January 2, 2026. This rule is designed to prevent frequent use of the exclusion for properties that are not a taxpayer’s long-term primary residence.
- However, it’s important to note that if you sold a home within the last two years but did not claim the exclusion (for example, if you had no capital gain), you would still be eligible to claim it on your current sale.
- This is common for military families with a rental empire. You must be strategic about which properties you use the exclusion on and when.
Partial Exclusions: You can claim a prorated exclusion if the sale of your home is due to certain circumstances, like a change in your job, health reasons, or other unforeseen circumstances (divorce, natural disaster, etc.). This is common when you have to PCS with less than two years of personal residence time.

Tax Implications

While the $250,000/$500,000 exclusion is a fantastic benefit, there are several nuances:

Capital Gains Calculation: Your capital gain is the difference between your adjusted basis in the home (what you paid for it, plus improvements) and the selling price, minus selling expenses (like real estate commissions). Only this gain is subject to taxation, and Section 121 helps reduce or eliminate tax on that gain. For example, if you paid $500K for your home and put in a $100K pool, your adjusted basis is now $600K. If you sell for $900K, you have a $300K capital gain.
Depreciation Recapture: If you’ve taken depreciation deductions on your home (common if you rented out a portion of it or used part for a home office), that depreciation will generally be “recaptured” and taxed at a specific rate (currently your marginal rate up to a maximum of 25%), even if your capital gain is otherwise excluded under Section 121. This is a critical point that many homeowners overlook or don’t correctly understand.
- For example, if you depreciated the home at a rate of $10K per year for 3 years, and your overall gain at the sale was $100K, and your marginal rate is 22%, you’d pay $6.6K in depreciation recapture tax (22% * $30K), but the remaining $70K would be tax free if you otherwise qualify for the Section 121 exclusion.
Non-Qualified Use: If you converted a rental property into your primary residence, some of the gain may be “non-qualified” and may not be excludable. The IRS provides a formula to allocate the gain between qualified and non-qualified use.
- This is common when you live in the home for a period, move out and rent it out, then move back in before finally selling it.
Reporting Requirements: Even if your entire gain is excludable, you still need to report the sale on your tax return, especially if you receive a Form 1099-S, “Proceeds From Real Estate Transactions.” This is typically done on Schedule D (Form 1040) and Form 8949.
- Pro Tip: if you’re a DIY tax preparer, using a pro, perhaps from the Military Tax Experts Alliance, in the year of a sale can save more than it costs.

Section 121 and Military Families: The “2 of 15” Rule

Military families face unique challenges when it comes to homeownership due to frequent PCS moves, which can make it difficult to meet the two-out-of-five-year ownership and use tests for the Section 121 exclusion. Recognizing this, the IRS offers an exception for military members:

Suspension of the Five-Year Test Period: If you or your spouse are on “Qualified Official Extended Duty” in the Uniformed Services, the Foreign Service, or the intelligence community, you may elect to suspend the five-year test period for up to 10 years.
- So, what is “Qualified Official Extended Duty?”: This generally means you are at a duty station at least 50 miles from your main home, or residing under government orders in government housing, for more than 90 days, or for an indefinite period. (i.e., weekend warriors in the Guard and Reserve don’t typically qualify for this…)
Impact: So, instead of needing to meet the two-year residency requirement within the last five years, you could have up to 15 years (the original 5 years plus up to 10 suspended years) to qualify. This provides significant flexibility for military families who might rent out their homes while deployed or stationed elsewhere, allowing them to still benefit from the capital gains exclusion when they eventually sell.

- Example: Imagine a service member who buys a home in 2015 and lives in it for two years. In 2017, they receive PCS orders and rent out the home. Under normal circumstances, if they sold the home in 2023, they wouldn’t qualify for the exclusion because they hadn’t lived in it for two of the prior five years. However, with the military suspension, they could “pause” the five-year clock during their extended duty, making them eligible for the exclusion even eight years after moving out.

Caveat 1: While the military exception helps with the ownership and use tests, it does not exempt you from depreciation recapture if you’ve used the property as a rental. You will still owe taxes on any depreciation taken, regardless of whether you claim the Section 121 exclusion.
Caveat 2: You can only suspend the clock on one property at a time. If you have a sleeve of rentals, you again need to strategize on when you’ll sell to optimize which property(s) to “stop the clock” on.

Practical Implications of the “2 of 15” Rule

While the Section 121 exclusion and military 10-year suspension “2 of 15” rule sound great in theory here are some of the challenges you might encounter:

The clock stops at the end of active duty. If you were hoping to turn the equity in a bunch of rentals into a forever home at the end of your service, you could face the need to sell several properties in a short amount of time which usually means you can only exclude gain on one of them. It’s very difficult to get the benefit of the Section 121 exclusion on every property you acquire during your service whether you use the 10-year suspension or not.
When the capital gain from depreciation recapture shows up on your tax return, it can bump you up against phase outs of various credits and deductions. If you’re only doing math about the tax on deprecation recapture, you might miss the other inbound tax torpedoes like the Roth IRA income limit or child tax credit phaseout.
If you rent out a property for the full 13 years of the “2 of 15” rule, you will have taken a lot of depreciation. (Or you should have, and you’ll be taxed as though you did…) This will really eat into what you thought of as your profits.
When you stare at the depreciation recapture tax bill, you’ll want to know how to skip it, which usually results in a 1031 “like-kind” exchange discussion. This means you’re still in the landlord business vs. enjoying six-figure gains…

Cleared to Rejoin

Section 121 is a powerful tool for homeowners, offering substantial tax savings on the sale of a primary residence. Additionally, the special provisions designed to accommodate the frequent moves military families make are incredibly valuable. That said, the intricacies of ownership, use, non-qualified use, and depreciation recapture mean that careful planning is essential. Be sure to consult a qualified financial planner and tax professional when contemplating selling your properties.

Fight’s On!

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