Crypto Estimated Taxes: 6 Things to Settle Before Q4

Crypto Estimated Taxes: 6 Things to Settle Before Q4

The IRS does not wait until April to be paid. If you sold coins at a large gain this year, crypto estimated taxes were due as you earned the gain, and the fourth payment for tax year 2026 is due January 15, 2027.

Here are six things to settle before then. This checklist is not ranked. If you want a crypto-focused accountant to run the numbers, Crypto Tax Made Easy is a Little Silver, New Jersey firm that does accounting and tax work for crypto taxpayers. Crypto Tax Made Easy is a paid featured member of Sam's List. How we picked this checklist is at the end.

1. Settle Whether Your Crypto Estimated Taxes Obligation Exists

Estimated tax is pay-as-you-go. Wages have tax withheld along the way. Crypto gains do not. If you expect to owe a meaningful amount at filing after withholding and credits, you generally need to make estimated payments. Owe less than $1,000 and the penalty generally does not apply.

Start with a rough year-to-date number. Sales, swaps and spending coins are all disposals, each producing a gain or loss against your cost basis. Add income that was not a sale (item 6). Then check two extras: the 3.8% net investment income tax, which may apply once your income passes certain thresholds, and your state, which usually has its own estimated payment rules and dates.

The limitation: with incomplete exchange history, your estimate is a range, not a number.

2. Pick a Safe Harbor for Crypto Gains Before You Guess

A safe harbor is a payment target that protects you from the penalty even if your final bill is larger. The common ones: pay at least 90% of this year's tax, or at least 100% of last year's tax. If last year's adjusted gross income was over $150,000 ($75,000 if married filing separately), the prior-year target is 110%.

That prior-year route is why a safe harbor for crypto gains matters. If this year's gains dwarf last year's, paying based on last year's tax can keep you penalty-free while the real bill waits until filing.

Illustrative target	How it works	Amount (invented figures)
90% of current-year tax	Expected tax this year is $90,000	$81,000
110% of prior-year tax	Last year's tax was $40,000, AGI over $150,000	$44,000

These figures are invented. The prior-year route asks for $37,000 less, but the balance is still due at filing.

The limitation: a safe harbor protects against the penalty, not the tax. A large April bill is still coming, so set that cash aside.

3. Check the Underpayment Penalty Crypto Gains Can Trigger, Then Annualize

The underpayment penalty crypto traders hit is a function of timing. The IRS expects payments by each due date, so an uneven year looks like a shortfall in early periods even if you pay everything by January. Crypto income is rarely even: a few big sales, then months of nothing.

The annualized income installment method, reported on Form 2210 Schedule AI, matches the required payment to when you earned the income. If your gains landed late, the early periods may require little or nothing. Under this method the penalty can shrink or vanish.

The limitation: it needs period-by-period records, which is real work with crypto. Ask your preparer to model it before you skip a payment.

4. Treat Crypto Estimated Taxes as a Realized-Gain Problem

An unrealized gain, a coin that went up while you held it, creates no tax. A sale, swap or spend does. That is why a single mid-year sale can change the whole picture: it can add a large gain to one quarter, and it can push your income into a higher bracket for the year.

Before Q4, look at what you hold and might sell. Holding more than one year generally earns long-term rates, lower than short-term rates. Selling at a loss can offset gains, within the usual limits on net capital losses.

The limitation: holding a volatile coin to reach a one-year date can cost more than the rate difference saves.

5. Use W-2 Withholding to Cover Crypto Estimated Taxes Late in the Year

Withholding on W-2 pay is treated as paid evenly through the year, regardless of when it was actually withheld. That is a real, commonly used technique: if you earn wages, raising your withholding on a new Form W-4 for the remaining paychecks can cover an estimated tax shortfall from earlier in the year, including the earlier periods.

The limitation: it needs a W-2 paycheck, only so many pay periods remain in 2026, and big withholding squeezes take-home pay.

6. Decide How Staking, Mining and Airdrop Income Fits In

Gains from selling are one bucket. Income you receive is another. Staking rewards, mining proceeds and airdrops are commonly treated as ordinary income, valued at the fair market value when you receive them. That value also becomes your basis when you later sell, so a sale produces a second, separate gain or loss.

Traders forget this piece because no sale happened. Mining as a business can also bring self-employment tax.

The limitation: this treatment is commonly applied, but timing of receipt, especially for airdrops, is not settled in every case, and preparers differ. Document the date and value you used.

When to Get Help With Crypto Estimated Taxes: Crypto Tax Made Easy

Crypto Tax Made Easy is an accounting firm in Little Silver, New Jersey, founded in 2021, with about 6 employees. Its profile says it serves clients nationwide and lists SMB owners, VC-backed startups, real estate investors and solopreneurs as the audiences it works with.

Crypto Tax Made Easy has 6 verified client reviews on Sam's List as of 2026-10-02. Each review is submitted by an individual who identifies as a client of the firm and rates it on communication, subject-matter knowledge, and overall satisfaction. Reviews reflect those individual experiences and do not represent an endorsement by Sam's List. Crypto Tax Made Easy is a paid featured member of Sam's List. Ratings and rankings are not indicative of future performance or results.

The limitation, plainly: a team of about 6 has finite room near deadlines, so ask about timing before January. Its profile does not say it prepares Form 2210 Schedule AI, builds mid-year projections or handles state estimates, so ask whether it does and what it charges. Ask for references.

Frequently Asked Questions

Do I have to pay estimated taxes on crypto?

Generally, yes, if you expect to owe $1,000 or more at filing after withholding and credits. Crypto sales create gains with no tax withheld, so the IRS expects payments during the year. Any balance is still due at filing.

What is the safe harbor for crypto gains?

The common safe harbor is paying at least 90% of this year's tax or 100% of last year's tax. If last year's adjusted gross income exceeded $150,000 ($75,000 if married filing separately), the prior-year target is 110%. Meeting it avoids the penalty, not the tax.

How do I avoid the underpayment penalty on crypto?

Meet a safe harbor, or use the annualized income installment method on Form 2210 Schedule AI when your gains came late in the year. If you have W-2 pay, raising withholding on later paychecks can also cover earlier shortfalls. A CPA can model which route fits.

When is the Q4 estimated payment due?

For tax year 2026, the fourth estimated payment is due January 15, 2027. The earlier 2026 dates were April 15, June 15 and September 15. State dates and rules can differ, so check your state as well.

If you would rather not guess, you can browse accountants on Sam's List, including the firm above, and ask each how it models a mid-year crypto projection.

How We Picked This Checklist

What this is. A checklist of six things to settle, not a ranking of firms or of the items.

The pool. One firm is written up: Crypto Tax Made Easy, a vetted Sam's List member whose profile lists accounting and tax for crypto taxpayers. This is not a survey of every crypto tax accountant, and firms outside the Sam's List directory were never evaluated. Firm details were read off the live profile on 2026-10-02 and can change.

What review counts mean here. A review count measures how many clients wrote something down. It does not measure technical quality.

Paid listings. Listing on Sam's List is free, and so is being named in this article. The firm written up here is a paid featured member of Sam's List, which is why it is written up here.

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About the author: Kimberly Green is cofounder of Sam’s List, a directory and matching platform for financial professionals.