Self-employment deductions reduce your taxable 1099 income dollar-for-dollar

When you receive a 1099, you report the full amount as income, but you can subtract business expenses to lower what you actually owe tax on. The IRS allows you to deduct ordinary and necessary expenses — things that are standard in your line of work and that you actually spent money on. You claim these on Schedule C (Form 1040) if you are a sole proprietor, or on your business tax return if you operate as an LLC, S-corp, or partnership.

The key rule is that an expense must be both ordinary (common in your field) and necessary (helpful to running your business). You cannot deduct personal expenses, even if you use them sometimes for work. A home office desk is deductible; your home mortgage is not. A work phone is deductible; your personal cell phone bill is not — though a portion of a dual-use phone may be.

Key Takeaways

  • Home office, vehicle mileage, supplies, equipment, and professional services are the most common 1099 deductions and require documentation.
  • You can deduct a portion of utilities, internet, and rent if you use a dedicated space for work, calculated by the square footage of your workspace divided by total home square footage.
  • Vehicle deductions work two ways: track actual expenses (gas, repairs, insurance) or use the IRS standard mileage rate, which changes yearly and requires a mileage log.
  • Meals and entertainment are deductible only if they are directly tied to business (client meetings, networking events) and you keep receipts showing who attended and the business purpose.
  • Health insurance premiums, retirement contributions, and half of your self-employment tax are deductible above the line, meaning they reduce your income before you calculate self-employment tax.

Home office and workspace expenses

If you use a dedicated room or area in your home exclusively for work, you can deduct a portion of rent, mortgage interest, utilities, internet, insurance, and repairs. The IRS allows two methods: the simplified method (multiply your workspace square footage by $5 per square foot, up to 300 square feet) or the actual expense method (calculate the percentage of your home used for work and deduct that percentage of all home costs).

The simplified method is faster and requires no receipts, but it caps your deduction at $1,500 per year. The actual expense method requires you to track utilities, property tax, insurance, and maintenance, but it often yields a larger deduction if you have a sizable home office. You cannot use both in the same year, so run the numbers both ways before you file.

Furniture, equipment, and improvements to your office (desk, chair, shelving, paint) are deductible, but large purchases may need to be depreciated over several years rather than deducted all at once. A $200 desk is usually deducted when ready; a $5,000 built-in bookcase may be depreciated.

Vehicle and mileage deductions

You can deduct either your actual vehicle expenses or the IRS standard mileage rate, but not both for the same vehicle in the same year. The standard mileage rate is simpler: you multiply your business miles driven by the rate set by the IRS each year (it varies annually). You must keep a log showing the date, destination, miles driven, and business purpose of each trip.

If you choose actual expenses, you track gas, oil, repairs, tires, insurance, registration, depreciation, and lease payments. You then deduct the percentage of those expenses that corresponds to business use. For example, if you drove 12,000 business miles out of 20,000 total miles, you deduct 60 percent of your vehicle costs.

Commuting to and from a regular workplace is never deductible, even if you work for yourself. Driving to a client site, a job site, or a meeting is deductible. If you have multiple work locations, the first one you visit each day is your starting point, and miles from home to that location do not count.

Supplies, equipment, and software

Office supplies (paper, pens, ink, folders), software subscriptions, and tools directly used in your work are fully deductible in the year you buy them if they cost under $2,500. Items over that threshold may need to be depreciated. A $1,200 laptop is deductible; a $15,000 piece of machinery is depreciated over five years.

Software you use for your business — accounting software, design tools, project management platforms — is deductible as long as it is not personal-use software. A subscription to Adobe Creative Cloud for your design work is deductible; a Netflix subscription is not.

Keep receipts for everything. The IRS does not require you to attach them to your return, but you must have them if you are audited. Digital receipts, credit card statements, and bank records all count as documentation.

Professional services and contractor fees

Fees you pay to accountants, lawyers, bookkeepers, consultants, and other professionals are deductible. If you hire a contractor or subcontractor to do work on your behalf, those payments are deductible. If you pay someone over $600 in a year, you must issue them a Form 1099-NEC and report it to the IRS.

Advertising and marketing expenses — website design, social media ads, business cards, flyers — are deductible. Fees for business licenses and permits are deductible. Membership dues to professional organizations are deductible if they are directly related to your business.

Meals, entertainment, and travel

Meals are deductible only if they are directly tied to business activity: a meal with a client, a working lunch with a business partner, or food at a conference. You must keep the receipt and note who attended and the business purpose. As of 2024, you can deduct 50 percent of meal expenses (this percentage may change, so check the current year's rules).

Entertainment expenses (tickets, golf outings, events) are generally not deductible unless they are directly tied to business development and you document the business purpose. The rules for entertainment are stricter than for meals.

Travel for business — flights, hotels, rental cars — is deductible. If you travel for both business and personal reasons, you can deduct only the business portion. A trip where you spend three days on client work and two days on vacation is 60 percent deductible.

Health insurance, retirement, and self-employment tax

If you are self-employed, you can deduct 100 percent of health insurance premiums you pay for yourself, your spouse, and your dependents. This deduction is taken on Form 1040 itself, not on Schedule C, which means it reduces your income before you calculate self-employment tax.

Contributions to a SEP-IRA, Solo 401(k), or other self-employed retirement plan are deductible. The amount you can contribute varies by plan type and your income. A SEP-IRA allows you to contribute up to 25 percent of your net self-employment income (after the self-employment tax deduction), up to a limit that changes yearly.

Half of your self-employment tax is deductible. Self-employment tax covers Social Security and Medicare for self-employed people. You calculate it on Schedule SE, and the deductible half is claimed on Form 1040.

Frequently Asked Questions

Can I deduct my home internet if I use it for work?

Only if you have a dedicated home office and use the actual expense method. You deduct the percentage of your internet bill that corresponds to your workspace. If your office is 10 percent of your home, you deduct 10 percent of your internet bill. If you use the simplified method, internet is not separately deductible.

What if I use my personal car for both business and personal driving?

Track your business miles separately and deduct only that portion. If you drove 8,000 business miles and 12,000 personal miles, you can deduct business miles using either the standard mileage rate or actual expenses. Keep a log with dates, destinations, and business purpose for each trip.

Do I need receipts for every deduction?

Yes. The IRS does not require you to attach receipts to your return, but you must have them available if audited. Keep receipts, invoices, bank statements, and credit card statements for at least three years. Digital copies are acceptable.

Can I deduct a loss if my business expenses exceed my 1099 income?

Yes, but only if your business is operated with the intent to make a profit. If you show losses for three out of five years, the IRS may classify it as a hobby, which limits your deductions. Keep records showing you are actively trying to grow the business and generate income.

Should I deduct everything or save some deductions for next year?

Deduct everything you are may have access to to in the year you incur the expense. Deferring deductions to a future year does not provide a tax benefit and complicates your records. The only exception is large purchases that must be depreciated by law, which are spread over multiple years automatically.