Can I Deduct LLC Startup Costs? The $5,000 Rule and 15-Year Amortization

You can deduct LLC startup costs, but the rules cap how much comes off your return right away. In the tax year your LLC actually begins operating, you can immediately deduct up to $5,000 in startup costs and a separate $5,000 in organizational costs. Anything above those caps is spread evenly over 180 months — 15 years — through amortization. If you never open the business, none of these deductions apply.¹

Which Costs Count as Startup Costs

Under Internal Revenue Code Section 195, startup costs are what you spend investigating, creating, or preparing the business before it opens. Market research, pre-opening advertising, wages paid to train employees, and travel to scout locations all qualify. The test is simple: would this expense have been an ordinary, currently deductible cost if the LLC were already running? If yes, it’s a startup cost. If it would be a capital expense even for an established business, it isn’t.²

Which Costs Count as Organizational Costs

Organizational costs are the legal and administrative expenses of forming the LLC itself: attorney fees for drafting the operating agreement, state filing fees for articles of organization, and accountant fees for setting up the entity. For a multi-member LLC, which the IRS treats as a partnership, these costs fall under Internal Revenue Code Section 709.³

For a single-member LLC, which the IRS treats as a disregarded entity, there is no separate organizational-cost statute. Formation expenses are generally treated alongside startup costs under Section 195.

Costs You Cannot Deduct as Startup Expenses

Not every pre-opening dollar falls under these rules. Several categories are handled differently, and lumping them in is a common mistake.

Equipment, inventory, and real estate. Tangible assets you buy are recovered through depreciation or when you sell the property, not through the startup deduction. Equipment placed in service during your first year may qualify for immediate expensing under Section 179, but that is a separate provision.⁴⁵
Syndication costs. If your multi-member LLC spends money marketing or selling membership interests — brokerage fees, printing offering documents, commissions — Section 709 permanently bars any deduction or amortization for those amounts.³
Interest, real estate taxes, and research expenses. These are deductible in the year paid under their own code sections, so they don’t get counted against your startup-cost cap.²
Costs to acquire a specific existing business. Once you move past general investigation and start spending money to buy a particular business — due diligence, purchase agreements, appraisals — those costs are capitalized into the purchase price rather than treated as startup expenses.⁶

How the $5,000 Deduction Phases Out

The $5,000 first-year allowance shrinks dollar-for-dollar once your costs in that category pass $50,000. Spend $53,000 on startup costs and your immediate deduction drops to $2,000. Hit $55,000 and the first-year deduction disappears entirely — every dollar goes through amortization instead.¹

The phase-out runs separately for each category. You could lose the startup-cost deduction while keeping the full organizational-cost deduction, depending on how your spending breaks down.

Amortizing the Rest Over 15 Years

Whatever exceeds the first-year deduction is spread evenly over 180 months, beginning the month the business starts operating.⁵ Divide the remaining balance by 180 to find the monthly deduction. If $18,000 in startup costs is left after your first-year write-off, you deduct $100 per month.

You don’t need to file a special statement to claim these deductions. For costs paid or incurred after September 8, 2008, the IRS treats you as having automatically elected to deduct and amortize, unless you affirmatively choose on a timely filed return to capitalize the costs instead.⁷ The election, once made, is irrevocable. You cannot change how you handle these costs after the return is filed.⁵

When the Deduction Clock Actually Starts

Nothing is deductible until the tax year your LLC begins operating as an active business. Spending money months or years in advance does not start the clock. Both the first-year deduction and the 180-month amortization period key off the month the business opens.¹

The IRS also draws a line between two kinds of pre-opening spending. Costs of deciding whether to start a business and what kind — surveying markets, analyzing labor supply, comparing locations — qualify as startup costs. Costs incurred after you’ve decided on a specific business and are working to acquire it — reviewing internal records, drafting purchase contracts, post-decision due diligence — become capital expenditures.⁶

What If the LLC Never Opens

If you abandon the venture before it opens, the tax treatment depends on how far you got.

General exploration costs — looking at different industries, comparing business models, weighing whether entrepreneurship makes sense — are treated as personal expenses and are not deductible.
Costs targeting a specific business that never materialized may be deductible as a capital loss.
Any equipment or property you purchased keeps its cost as your tax basis. You recover that basis only when you sell, donate, or otherwise dispose of the asset.⁸

The bottom line: if the business never begins operating, the $5,000 first-year deduction and the 180-month amortization aren’t available to you at all.

How to Claim the Deduction on Your Return

The amortized portion of startup and organizational costs goes on IRS Form 4562, Part VI. You enter the total cost, the date amortization begins (the month the business started), and the 180-month period.⁵ The first-year deduction up to $5,000 is claimed separately from the amortized amount.

Where those amounts land depends on how your LLC is taxed:

Single-member LLC. Because the IRS treats it as a disregarded entity, the deduction flows onto Schedule C (Form 1040) with your other business income and expenses.⁹
Multi-member LLC. The LLC files Form 1065, and each member receives a Schedule K-1 showing their share.¹⁰

Keep the paperwork. Receipts, invoices, contracts, and a clear description of what each expense was for will matter if the IRS questions whether a cost qualifies. Because the election to deduct and amortize is irrevocable, you want your categories right the first time.

1
Internal Revenue Service. Publication 583, Starting a Business and Keeping Records
2
Office of the Law Revision Counsel. 26 USC 195 – Start-Up Expenditures
3
Office of the Law Revision Counsel. 26 USC 709 – Treatment of Organization and Syndication Fees
4
Internal Revenue Service. Publication 551 (12/2025), Basis of Assets
5
Internal Revenue Service. Instructions for Form 4562 (2025)
6
IRS. Rev. Rul. 99-23
7
GovInfo. Treasury Regulation 1.195-1
8
Internal Revenue Service. Publication 535 Business Expenses (2022)
9
Internal Revenue Service. Instructions for Schedule C (Form 1040)
10
Internal Revenue Service. Instructions for Form 1065 (2025)