Year-End Tax Planning: Start Now, Not January

October 17, 2025
Anthem Strategists

We see the same pattern every January: clients wishing they had more time to implement year-end tax planning strategies. The reality is that once December 31st passes, your opportunities to reduce tax liability for the current year are gone. That’s why fourth-quarter tax planning is crucial for anyone who wants to save thousands of dollars.

The December 31st Deadline: Why It Actually Matters

The IRS operates on a calendar-year basis for most taxpayers. This creates a hard deadline that many people don’t fully appreciate:

What happens on January 1st:

Your tax year closes. No more deductions can be added to the prior year
Income and expenses are locked in for tax calculation purposes
Entity structure decisions become nearly impossible to change retroactively
Retirement contribution windows narrow significantly (though some extend to April or October)

Why the fourth quarter is different:

You have enough actual data to accurately project your year-end income and tax liability
You still have time to implement strategies, not just talk about them
Cash flow is typically more visible and manageable for year-end decisions
Business cycles often align with Q4 planning (bonuses, equipment purchases, expansion decisions)

Why Our Clients Act in Q4

Year-end tax planning is a necessity for strategic business owners. Here’s some examples of what to accomplish before the calendar year closes:

Income and deduction timing analysis – Evaluate whether deferring income to next year or accelerating deductible expenses into this year makes sense for your situation
Charitable giving strategies – Optimizing donations to maximize deductions while supporting causes you care about
Strategic tax prepayments – Identifying opportunities to prepay certain taxes for immediate benefit
Portfolio positioning – Ensuring your investments are tax-efficient heading into the new year

Looking Beyond This Year: The Q4 Multi-Year View

Effective year-end tax planning isn’t just about minimizing this year’s taxes, it’s about optimizing across multiple years:

This year vs. next year trade-offs:

If you expect higher income next year, deferring income and accelerating deductions makes sense
If you expect lower income next year (retirement, business sale, sabbatical), the opposite might apply
If tax rates are changing, timing strategies shift accordingly

Multi-year retirement planning:

Contributing to retirement accounts now reduces current taxes but creates future required minimum distributions
Roth conversions pay taxes now to create tax-free income later
The optimal strategy depends on your age, current tax bracket, and expected future tax bracket

Estate and succession considerations:

Business owners approaching retirement need to think about entity structure in context of sale or transfer
Real estate investors consider not just this year’s depreciation but the eventual recapture upon sale
Charitable planning can span multiple years for maximum impact

Why Professional Guidance Enhances This Process

You can absolutely do your own year-end tax assessment. Many people successfully:

Calculate projected income and taxes using tax software or spreadsheets
Identify obvious opportunities like maxing retirement contributions
Execute straightforward strategies like tax-loss harvesting

Professional guidance adds value in areas like:

Complex situation navigation:

Multi-state taxation
Business ownership with partners
Multiple income sources (W-2, business, rental, investments)
Stock compensation (ISOs, NSOs, RSUs, ESPPs)
Real estate professional status qualification
Passive activity loss limitations

Strategy optimization:

Modeling multiple scenarios to find the best approach
Identifying strategies you didn’t know existed
Understanding how different strategies interact
Avoiding mistakes that trigger penalties or audits

Implementation support:

Preparing necessary documentation and forms
Coordinating with attorneys for entity changes
Setting up retirement plans properly
Ensuring compliance with all regulations

Time and stress reduction:

Peace of mind that you’re not missing opportunities

Someone else tracks deadlines and requirements

You get clear action items rather than having to research everything

Take Action Before Time Runs Out

The window for year-end tax planning is open right now, but it won’t stay open forever. Every week that passes means fewer options and less time to implement effective strategies.

If you haven’t yet scheduled your year-end tax planning consultation, now is the time. Our experienced professionals at Lineweaver Financial Group are ready to: