Six Figures and Still Overpaying: Where High Earners Quietly Leave Money on the Table

Overpaying at higher incomes rarely looks like a mistake. It's an accumulation of small, sensible-looking decisions, each made on its own, that together add up to a materially larger bill than necessary.

A quiet assumption tends to settle in once someone earns well: that their taxes are about as optimized as they're going to get. A large income produces a large bill, and little can be done about it. It's an understandable belief, and it's frequently wrong. In practice, higher earners are often the ones overpaying the most. Not because they're careless, but because their financial lives have more moving parts, and more moving parts mean more places for money to slip through unnoticed.

Overpaying at this level seldom looks like an error. There is rarely a missed deduction dramatic enough to jump off the page. Instead, it's an accumulation of small things, each defensible on its own, each the product of a reasonable decision made in isolation.

Where it usually hides

• Bonuses and equity withheld at a flat rate below your real bracket

• Stock sales, exercises and conversions timed by instinct rather than by a projection

• A move, a second home or remote work treated as a life event rather than a tax decision

• Retirement accounts used one or two rungs deep, when several more are available

• Charitable gifts made the same way every year, under rules that changed in 2026

• A rental property whose losses, depreciation and sale have never been planned together

The engineer and the chess player

Reducing a large tax bill well takes two minds working together. The first is the engineer: rigorous and rule-bound, fluent in the mechanics of the code and exact about how each provision operates. The second is the chess player: the mind that thinks several moves ahead, asking what a decision made now makes possible, or forecloses, two and three years down the line.

The chess player is the one most high earners have never had. The goal is rarely to minimize a single year's bill in isolation. It's to arrange the current year and the next two or three so the whole sequence comes out ahead. A gain deferred into a lighter year, an exercise spread across three years, income shifted from a heavy year into a lighter one: these moves only make sense when someone is looking several years forward rather than filling in this year's forms after the fact.

The goal is rarely to minimize this single year's bill. It's to arrange the current year and the next two or three so the whole sequence comes out ahead.

With that lens, the specific leaks are easier to see.

Bonuses and equity treated as "just income"

For those whose pay arrives partly as a bonus, restricted stock or options, the most common overpayment hides in the withholding. Employers generally withhold federal tax on bonuses and vesting stock at a flat 22%, which sits well below the 32%, 35% or 37% bracket many high earners are actually in. California's supplemental withholding works the same way. The withholding looked handled; it was simply short, and the gap surfaces at filing, sometimes with an underpayment penalty on top.

Beyond withholding, equity carries consequences that map directly onto the three levers planning uses: the timing of when options are exercised or shares are sold, the structure of how the transaction is arranged, and the character of the resulting income, since the same gain can be taxed as ordinary income or as a long-term capital gain depending on how long the shares are held. Treated as an afterthought, equity compensation becomes an expensive surprise. Positioned deliberately across a two- or three-year arc, the same grants become one of the richest sources of planning opportunity a high earner has.

Two incomes, one surprise

Two-earner households face a quieter version of the same problem. Each employer withholds as if its paycheck were the household's only income, so each paycheck is withheld at rates that ignore the other. Combined, the household lands in a higher bracket than either employer assumed. The shortfall is predictable months in advance, and fixable with a W-4 adjustment or estimated payments, but only if someone runs the numbers before April.

State and multi-state exposure that goes unnoticed

Where you live and where you work introduce a layer of nuance that generic software handles poorly. Living in a high-tax state, earning income across state lines, holding property in one state while residing in another, or moving partway through a year all create questions with real dollar consequences. California in particular follows its own rules in a number of important areas, and getting them wrong in either direction costs money. Overpaying a state you didn't truly owe is as real a loss as underpaying one you did.

This exposure is easy to miss precisely because it feels settled. You live where you live. But the tax treatment of those facts is often more flexible, and more contestable, than it appears. A planned change of residency, timed against a coming liquidity event, can be one of the most consequential moves on the board.

Retirement accounts used only one rung deep

"I max out my 401(k)" is a good answer and an incomplete one. Above it sit the backdoor Roth IRA for each spouse, the mega backdoor Roth if your plan allows after-tax contributions, a 457(b) plan at many hospitals, universities and government employers, a health savings account, and, with any self-employment income, a solo 401(k) or cash balance plan. Each has its own limit and its own tax treatment. Skipping one costs nothing visible this year, and a great deal over a career.

Charitable giving on autopilot

Generous households often give the same way every year. Beginning in 2026, itemizers can deduct only the portion of their gifts above 0.5% of adjusted gross income, and households in the top bracket get a benefit capped at 35 cents per dollar. Bunching several years of giving into one year, often through a donor-advised fund, and giving appreciated stock instead of cash now matter more than they used to. The gift is your decision. The year it lands in and the asset you give are tax decisions.

The thread connecting all of it

Step back from the individual categories and the same pattern runs through every one of them. In each case, a decision was made in isolation, by someone who could see only part of the picture and only the year in front of them. The employer's payroll system applied a standard withholding rate without knowing the rest of your income. The equity was exercised on instinct rather than sequenced across years. The move between states was treated as a life event rather than a tax decision. Each actor did something reasonable within their own frame, and the seams between those frames are exactly where money escaped.

The fix is almost never a clever deduction. It's having one person who sees all of it at once, thinking several moves ahead, positioned to act before the year closes rather than report it after.

That's why the remedy for high-earner overpayment is so rarely a single dramatic maneuver. There's usually no hidden loophole waiting to be discovered. What's missing is coordination: a single vantage point from which income, investments, equity, entity structure and state exposure are all visible together, held by someone applying the engineer's rigor and the chess player's foresight at the same time. From that vantage point, the leaks become visible one by one and, just as important, they can be addressed across a multi-year horizon rather than patched one April at a time.

What to take from this

If you earn well and have never had your full financial picture examined as a single, connected system, the odds are reasonable that some version of the leaks above is present in your return right now. Not through any error, but through the simple absence of anyone looking across the whole thing. The overpayment is quiet by nature. It won't flag itself. Finding it requires deliberately looking, from the one vantage point where all the pieces are in view at once.

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Discuss your situation with Natalie C. Papagni, CPA

If you'd like your full financial picture reviewed as one connected system, including income, equity, retirement accounts, rental property and state exposure across the years ahead, a complimentary 30-minute consultation is the natural first step.

Natalie C. Papagni, CPA — Tax, Planning & Advisory Services 4275 Executive Square, Suite 200, La Jolla, CA 92037 (858) 754-8277 | service@lajollataxcpa.com | lajollataxcpa.com

Disclaimer: This material is provided for general educational purposes only. It is not tax, legal or accounting advice, and it does not create a CPA–client relationship. Tax outcomes depend on individual facts and circumstances, and figures and rules change from year to year. Consult a qualified professional about your specific situation before acting. Figures reflect 2026 rules.