Tax Implications of Renting Out Part of Your Home

16 May 2026

So, you’re toying with the idea of renting out your basement, that cozy in-law suite, or even a spare bedroom. Maybe you’re looking to cash in on the short-term rental craze, or just want to bring in extra income to cover your mortgage. Whatever the motive, it sounds like a smart move. But before you pop the bubbly and list your space, there's a big elephant in the room we gotta talk about: taxes.

Let’s be real—taxes aren’t the most thrilling topic. But when the IRS is involved, you better believe they want their cut. Renting out part of your home can come with major tax perks, but it also brings complications. Don’t worry though; we’re gonna break it down in plain English, no accounting jargon here.

Ready to dive in? Let’s talk money, responsibility, and the not-so-fun paperwork that comes with becoming a part-time landlord.

What Happens When You Become a Landlord (Even Part-Time)

You don’t have to own a rental empire to deal with landlord taxes. The second you start making money by renting out space in your home—whether it’s on Airbnb, a long-term lease, or even to your cousin—you shift from just being a homeowner to being a rental income earner in the eyes of the IRS.

That’s right. Uncle Sam sees you making money, and he wants to know all about it.

Here’s the golden rule: if you're making income from renting out a part of your home, that income is typically taxable. And yes, even if it’s for just a few weekends a year.

Rental Income Is Taxable (Yup, Even That $400 You Made Last Month)

Let’s start with the basics. Any money you earn from renting part of your primary residence is considered rental income. Doesn’t matter if it’s just a few bucks from Airbnb or a regular monthly rent from a tenant—it counts.

You'll need to report this income on your federal tax return, usually on Schedule E (Form 1040).

Now, here’s where it gets interesting. You don’t just report the income. You also get to deduct certain expenses. This is where you can get ahead—if you play it smart.

What You Can Deduct (Hello, Tax Savings!)

One of the biggest upsides of renting out part of your home? You can write off a portion of your expenses. Essentially, you’re treating part of your home like a mini business.

The twist? You can’t deduct everything. Only the portion related to the rented space is deductible. Let's break this down.

1. Direct Expenses

These are costs that relate only to the rental area. Think repainting that spare room you’re listing or replacing a broken door in the tenant area. You can deduct these 100%.

2. Indirect Expenses – Prorated Based on Square Footage or Usage

This is the fun (and slightly tricky) part. Expenses like the following can be partially deductible:

- Mortgage interest
- Property taxes
- Home insurance
- Utilities
- Repairs and maintenance
- Depreciation (yep, even your home loses value… at least on paper)

Say you rent out 25% of your home. You’d typically get to write off 25% of those shared expenses. Just make sure you have the math to back it up.

Depreciation: Your Secret Weapon for Lowering Taxable Income

This is where people often leave money on the table. Depreciation is a non-cash deduction—meaning you don’t actually spend money out of pocket, but you still get a tax break. You’re essentially spreading out the cost of your home over 27.5 years (per IRS rules for residential rental property).

But there’s a catch. When you sell your home, the IRS might come knocking for depreciation recapture—more on that later.

Short-Term Rentals vs Long-Term – It Matters for Taxes

Are you renting out your guest room on a nightly basis? Or do you have a tenant on a lease agreement? The difference is huge when taxes come into play.

Short-Term Rentals (Think Airbnb, VRBO)

Renting for fewer than 15 days per year? Good news—you may not have to report that income at all. That’s called the “14-Day Rule.” If you rent part of your home for 14 days or fewer during the year, and you use the home yourself the rest of the time, the income is completely tax-free.

But—go over those 14 days? Game over. All the income becomes taxable.

Also, if you provide services like cleaning, breakfast, or tours, the IRS may consider this self-employment income, which throws even more tax implications your way. That includes paying self-employment tax (ouch!).

Long-Term Rentals

Long-term leases are usually a bit simpler tax-wise. Rental income is taxable, but you may avoid self-employment tax since it's considered passive income. Just remember—you still need to track expenses, report income, and deal with depreciation.

What If You Only Rent Part-Time or a Portion of Your Home?

Most people don’t rent out their whole house—they just rent out a basement or a room. In those cases, you’ll need to allocate expenses based on the portion of the home being rented.

You can do this based on:

- Square footage (% of the total home area)
- Number of rooms
- Time rented vs personal use

Let’s say you rent out a 400-square-foot basement in your 2,000-square-foot house. That’s 20%. If your total utility bill is $2,000 for the year, you can potentially deduct up to $400 of it.

Just keep in mind—you can’t double-dip. If you’re claiming the mortgage interest deduction on your Schedule A as a homeowner, you can’t claim the same portion on Schedule E. It’s one or the other, folks.

When You Sell the House, Capital Gains Get Complicated

Here’s a curveball many people don’t see coming.

When you sell your primary residence, you can usually exclude up to $250,000 (or $500,000 for married couples) of capital gains from taxes. But… if you rented out part of your home? It’s not so simple.

The portion of the home used for rental—especially if it was separate and not mixed-use—might not be eligible for the exclusion.

Plus, remember depreciation? Yeah. The IRS says, “We gave you those deductions, now pay some of it back.” That’s called depreciation recapture, and it’s taxed at a flat 25%. It applies to the portion of the home you rented and depreciated.

Moral of the story? Keep good records, and don’t be shocked when Uncle Sam wants a piece of the pie at sale time.

Real-Life Example to Drive It Home

Let’s say you live in a 2,500-square-foot home and rent out a 500-square-foot in-law suite. That’s 20% of your home.

You earn $12,000 in rent over the year. Here’s what you might be able to deduct:

- 20% of your mortgage interest
- 20% of your property taxes
- 20% of utilities
- Direct expenses like repainting or replacing a stove used only by the tenant
- Depreciation on 20% of the property value (not including land)

You report the $12,000 in rental income on Schedule E and subtract your deductions.

Make sense? Simple, right? Well, kinda...

Tips to Stay on the IRS's Good Side

1. Keep Meticulous Records
Seriously—save receipts, track utility bills, and document repairs. Use spreadsheets or tax software.

2. Use a Separate Bank Account
It’ll make tracking income and expenses way easier—and cleaner in case of an audit.

3. Don’t Forget Local and State Taxes
Renting out your home may require additional permits or subject you to local occupancy taxes, especially short-term rentals.

4. Consult a Tax Pro
Every situation is unique. A good CPA can help you maximize deductions and avoid red flags.

Final Thoughts

Renting out part of your home can be a brilliant money move—bringing in extra income and potentially creating powerful tax deductions. But it doesn't come free of complications.

The IRS sees you as a part-time business owner, and with that title comes responsibilities. Know what's taxable, what’s deductible, and how to play the game without crossing the line.

So before you hand over the keys to that basement unit or post dreamy photos of your guest room on Airbnb, pause and get your tax ducks in a row.

Because the only thing worse than missing out on tax deductions... is getting hit with a surprise tax bill you weren’t ready for.