7 Life Changes Your Tax Professional Needs to Know About Before Year-End
Life Happens - and It Can Impact Your Taxes
Throughout the year, your personal and financial situation may change. Some changes create new tax questions; others can change withholding, filing status, credits, estimated payments, or what documentation will be needed when the return is prepared.
The goal is not for you to become a tax expert. I simply need to know what changed early enough to determine whether it is something we should address now or simply document for filing season.
THIS MAY APPLY TO YOU IF...
Your income, job, bonus, or withholding changed.
Your household changed through marriage, divorce, a new child, custody, or support of another person.
You started a side business, freelance work, or another source of income.
You sold investments, a home, rental property, or another asset.
You made another major financial move that may affect your 2026 tax picture.
1. New Job, Raise, Bonus, or Multiple Jobs
A pay change can affect more than the number on your paycheck. If you changed employers, received a significant raise or bonus, or had more than one job, your withholding may no longer match your full-year tax picture. This is especially important when a spouse also works or income increased during the year.
TTS NOTE: Do not wait for a refund or balance due to be the first sign that withholding was off.
2. Marriage, Divorce, Separation, or a Household Change
Your year-end marital status can affect filing status, withholding, dependents, credits, and other return positions. Divorce or separation may also create questions involving property, retirement accounts, and which parent may claim a child. Do not assume last year's filing setup automatically carries forward.
3. New Dependent or Custody Change
Welcoming a child, supporting another family member, or changing custody arrangements can affect who may qualify as a dependent and which tax benefits may be available. The rules are based on specific relationship, age, residency, support, and filing tests - not simply who paid an expense or who wants to claim the person.
4. Side Income or a New Business
Freelance work, gig income, cash payments, or a new business can create reporting, recordkeeping, self-employment tax, and estimated-payment issues. A Form 1099 is not what makes income taxable. If you started earning money outside your regular job, tell your tax professional what you did, what you earned, and what records you kept.
TTS NOTE: A new source of income often matters before the tax form arrives.
5. Investment, Home, or Property Transactions
Selling stocks, cryptocurrency, a home, rental property, or another asset can change the tax picture. The result can depend on basis, holding period, gain or loss, and the type of property involved. Keep closing documents and records of improvements rather than waiting until tax season to reconstruct the transaction.
6. Major Withholding Changes
A W-4 should not be treated as a form you fill out once and forget forever. Changes in income, jobs, marital status, dependents, deductions, or other household income can make an old setup less useful. A year-end withholding review may reveal whether an adjustment is appropriate for the remaining pay periods.
7. Another Significant Financial Change
Some changes do not fit neatly into one category: a retirement distribution, inherited IRA, move to another state, stock compensation, large charitable gift, or another major event. When in doubt, flag it. You do not have to diagnose the tax issue yourself - your facts are what matter.
Your Story Determines Your Tax Answer
Two people can have the same headline event - a bonus, divorce, side business, or home sale - and still have different tax outcomes. My job is to understand the full story, ask the questions that matter, and tell you whether anything should be addressed before the year closes.
When to Contact TTS
If something changed in your income, household, withholding, investments, or business activity, reach out before December 31. We can determine whether the change simply needs to be documented for filing season or whether there is still an action worth considering now.
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