How to Deduct Website Development Costs: A Tax Guide for Small Business Owners

You spent $8,000 last year building a new website for your business. Can you deduct the whole thing this April, or do you have to spread it across several years? The honest answer: it depends on who built it, what they built, and which tax year the work happened in.

Website expenses are one of the most commonly misclassified deductions on small business tax returns. Some owners write off the entire cost in year one when they should have capitalized it. Others amortize hosting fees that should have been deducted immediately. The result is either an audit risk or thousands of dollars in deductions left on the table.

This guide walks through how to categorize website expenses, what changed under the One Big Beautiful Bill Act (OBBBA) for 2025 and beyond, and where each expense type belongs on your tax return.

Why Website Tax Treatment Is Trickier Than It Looks

The IRS has never issued a single, dedicated revenue ruling specifically for websites. For decades, accountants relied on Rev. Proc. 2000-50, which allowed software development costs to either be deducted immediately or amortized over 36 or 60 months. Because websites are essentially software with a user interface, that guidance applied to them too.

Then the Tax Cuts and Jobs Act of 2017 changed the game. Starting January 1, 2022, all software development costs—including website builds—had to be capitalized and amortized under Section 174 (five years for domestic work, fifteen years for foreign labor). Rev. Proc. 2000-50 became obsolete for costs incurred in tax years after 2021.

The 2025 OBBBA flipped things again. Under the new Section 174A, taxpayers can fully deduct domestic research and experimental expenditures—including U.S.-based software and website development—in the year paid or incurred, starting with tax years beginning after December 31, 2024. Foreign development still has to be capitalized over fifteen years.

For most small businesses preparing 2025 and 2026 returns, this is great news: you can expense your domestic website costs immediately again. But the rules during 2022–2024 still matter, especially because Congress added a retroactive election allowing small businesses (with average gross receipts under $31 million) to amend prior returns and claim immediate expensing back to 2022. The deadline for those amended returns is July 6, 2026.

The Five Categories of Website Expenses

Not every website-related cost is treated the same way. Walking through your invoices and lumping everything into one bucket is exactly how mistakes happen. Break expenses into these five categories first.

1. Development Costs (Outsourced or In-House)

Development is the technical work of building or substantially upgrading a website: writing code, configuring servers, building custom features, integrating APIs, setting up databases, and coding e-commerce or membership functionality.

Outsourced development — fees paid to a freelancer, agency, or contractor to build your site. For 2025 and 2026 tax years, domestic development is fully deductible in the year paid under Section 174A. If any of the work was done abroad, those costs must still be amortized over 15 years.

In-house development — salaries, contractor wages, and tools used by your own team to build the site. Same rules apply: domestic effort is currently expensible; foreign labor is not.

Practical tip: keep the development invoice itemized. If your contractor billed $5,000 for coding and $1,200 for promotional copy, those are two different categories with two different tax treatments.

2. Graphic Design and Visual Assets

Logos, custom illustrations, photography, video production, and design systems sit in a gray zone. The IRS generally treats long-lived design assets (a logo you'll use for years, a photo library that anchors your brand) as capital expenditures depreciated over their useful life.

Smaller, time-bound design work—seasonal banner ads, a landing page for a single campaign, social media graphics tied to a one-month promotion—is usually treated as advertising and fully deducted in the year incurred.

When in doubt, ask: "Will I still be using this asset two years from now?" If yes, lean toward capitalizing it. If no, treat it as advertising.

3. Content and Copywriting

Promotional content—the words on your homepage, product pages, ad campaigns, and marketing landing pages—is generally fully deductible as advertising in the year you pay for it. The IRS sees this as ordinary advertising spend, similar to print ads or radio spots.

Editorial content like blog posts, knowledge base articles, and SEO-driven guides typically follows the same advertising rule, since the goal is to drive traffic and generate business. If you commission a 50-article content library that you expect to power your marketing for years, you might face questions about whether part of it should be capitalized—but in practice, most small businesses deduct content as a current expense.

4. Hosting, Domain, and Infrastructure

This is the easiest category. Annual hosting fees, domain registration, SSL certificates, CDN subscriptions, email hosting, and similar recurring infrastructure costs are ordinary business expenses, fully deductible in the year you pay them.

One catch: if you prepay multi-year hosting (say, three years of hosting in a single $1,800 invoice), the IRS expects you to spread that deduction across the years the service covers. You generally can't drop the full $1,800 onto a single year's return when only $600 of service was actually delivered.

5. Routine Maintenance and Updates

Bug fixes, security patches, plugin updates, font licenses, content refreshes, and minor design tweaks are normal operating expenses. Deduct them in the year you pay them, no amortization needed.

The line between "maintenance" and "development" matters. Adding a new product page is typically maintenance. Building a custom checkout flow with new database tables is development. If a single project has both, ask the contractor to itemize the invoice so you can split the deduction correctly.

A Concrete Example: The $12,000 Website Project

Suppose you spent $12,000 on a new business website in 2026:

• $7,000 paid to a U.S.-based agency for design and development
• $1,500 for professional photography of your products
• $1,200 for written content, including landing pages and blog posts
• $800 for domain, hosting, and SSL for the year
• $1,500 for an explainer video produced as part of the launch campaign

Under 2026 rules:

• The $7,000 in domestic development is fully deductible in 2026 under Section 174A
• The $1,500 in photography goes into a capital asset account and depreciates over its useful life (typically 3–5 years), unless you elect bonus depreciation or Section 179
• The $1,200 in copywriting is fully deductible as advertising
• The $800 in hosting/domain/SSL is fully deductible as a utility-style expense
• The $1,500 video, if used as a one-time launch campaign, is fully deductible as advertising. If it becomes evergreen content used for years, it gets capitalized.

That single project touches at least four different lines on Schedule C.

Where Each Expense Lands on Your Tax Return

For sole proprietors and single-member LLCs filing Schedule C, here's where these typically appear:

• Line 8 — Advertising: promotional content, marketing copy, campaign-specific design, video and photography for a single campaign
• Line 17 — Legal and Professional Services: contractor fees for development (in some cases owners list these here, though Line 27a "Other Expenses" with a category like "Website Development" is also common)
• Line 22 — Supplies / Line 25 — Utilities: hosting and domain (utilities is the more common placement; some owners use Office Expense on Line 18)
• Line 13 — Depreciation: capitalized assets like logos, photo libraries, or amortized foreign development
• Line 27a — Other Expenses: custom categories like "Web Hosting," "SaaS Subscriptions," or "Website Maintenance" so you can describe expenses precisely

S-corporations and partnerships have analogous lines on Form 1120-S and Form 1065. The principle is the same: don't lump everything under "advertising"—break it out so the categorization tells the real story.

Don't Forget the Retroactive Election Window

If your business spent significantly on website or software development between 2022 and 2024, you may be sitting on real money. Under the OBBBA's retroactive provision, small businesses with average gross receipts under $31 million can amend those returns and claim immediate expensing—turning back-loaded amortization into a refund.

The clock is real: amended returns must be filed by July 6, 2026. Many sole proprietors, single-member LLCs, and small S-corps qualify. If you spent $30,000 building a new e-commerce platform in 2023 and only got to deduct $3,000 of it that year (under the old five-year amortization), reclaiming the rest now could mean a meaningful refund.

This isn't a DIY project for most owners. Talk to a CPA who's worked with R&E expenditures, and bring well-organized records.

Common Mistakes to Avoid

Lumping every website expense into "advertising." This makes your return tidy at first glance but blurs the categories an auditor would care about. If you ever get a notice, line items like "Web Development — $7,000" hold up better than a single inflated advertising number.

Treating routine maintenance as a capital improvement. Replacing a logo image, updating product photos, or refreshing copy is maintenance. Capitalizing those costs over five years just delays deductions you could take today.

Ignoring the foreign-versus-domestic split. If you hired an offshore agency or a developer based outside the U.S., that work still has to be capitalized over 15 years under Section 174. Mixing foreign and domestic development on a single line is an audit waiting to happen.

Skipping the start-up rules. If you incurred website costs before your business officially opened, those are start-up expenditures under Section 195. You can deduct up to $5,000 in the first year and amortize the rest over 15 years. Don't bury them with operating expenses.

Failing to keep itemized invoices. A single invoice that says "Website project — $10,000" forces you to either guess at the breakdown or treat it as one undifferentiated expense. Always ask vendors to itemize: development, design, content, and infrastructure as separate line items.

Documentation That Will Save You at Tax Time

For every website-related expense, keep:

• The vendor's invoice with itemized line items
• Proof of payment (bank statement, credit card statement, paid receipt)
• A short note about the business purpose ("redesigned product pages to improve conversion," "annual SSL renewal," etc.)
• For larger projects, a brief written scope describing what was delivered

Store these for at least three years after filing—seven if you want to be thorough about state-level statutes of limitations. Cloud-based document storage tied to each year's tax file makes audits dramatically less painful.

The Bigger Picture: Treat Your Books Like Your Codebase

Developers wouldn't ship a feature without version control, code review, or a clear commit history. The same discipline applies to your finances. Sloppy categorization in your bookkeeping turns into sloppy categorization on your tax return, which turns into either missed deductions or audit exposure.

If you're a developer, founder, or technical operator, you already have the mindset for clean, structured financial records—you just need a system that respects how you work.

Keep Your Finances as Clean as Your Code

As you build and grow your business, your website is just one of many expenses that needs careful categorization. Beancount.io gives developers and small business owners plain-text, version-controlled accounting with full transparency—no black boxes, no vendor lock-in, and a structure that makes tax-time categorization straightforward. Get started for free and see why developers and finance professionals are switching to plain-text accounting. Want to explore the dashboard? Take a look at hosted Fava for visual reporting on top of your ledger.