By Janice Berner, CDFA, CPA, MBA | High Net Worth Divorce Financial Planning, Boston & Eastern Massachusetts
Two accounts with identical balances are not the same asset. A brokerage account holding $600,000 in securities purchased fifteen years ago carries a tax liability embedded in its unrealized gains that does not appear anywhere on the account statement. A Roth IRA with the same $600,000 balance has no such liability. A settlement that divides those two accounts equally by face value and calls it done has not divided anything equally. It has transferred the tax burden onto one spouse and called it fair. As a high net worth divorce financial planner and CPA working with couples in Massachusetts, this is one of the most common and most costly structural errors I see in divorce settlements that were drafted without adequate financial analysis.
Tax consequences in a high net worth Massachusetts divorce are not a footnote to the settlement. For estates with significant appreciated assets, investment real estate, complex retirement portfolios, or executive compensation arrangements, the tax analysis is often the difference between a settlement that functions as intended and one that quietly costs one party hundreds of thousands of dollars in unexpected liability. The four areas below are where I see that liability most consistently go unaddressed.
Capital Gains on Appreciated Securities: The Liability That Doesn’t Show on the Statement
Under Internal Revenue Code Section 1041, transfers of property between spouses incident to divorce are generally not taxable events. The transferring spouse does not recognize a gain, and the receiving spouse takes the asset at the original cost basis rather than its current fair market value. This is often described as making divorce asset transfers “tax-free,” and technically, at the moment of transfer, that is accurate. What it obscures is that the deferred tax liability travels with the asset to the receiving spouse.
Consider a practical example. A couple has two taxable investment accounts, each worth $500,000. Account A holds shares of a technology fund purchased for $100,000 twenty years ago, carrying $400,000 in unrealized long-term capital gain. Account B is a money market and short-term bond account with a cost basis nearly equal to its current value. A settlement that assigns Account A to one spouse and Account B to the other has not divided $1,000,000 equally. At the federal long-term capital gains rate of 20 percent, plus the 3.8 percent Net Investment Income Tax that applies above certain income thresholds, the spouse receiving Account A is holding an after-tax value closer to $336,000, not $500,000. Massachusetts taxes long-term capital gains at 5 percent, adding further exposure. The difference in after-tax value between those two accounts is not cosmetic.
Proper settlement analysis accounts for embedded capital gains across the entire taxable portfolio before any division is proposed, not after. I build after-tax asset schedules as a standard part of the financial analysis in every collaborative divorce I work on, because a settlement built on pre-tax balances is building on a number that neither party will ever actually receive.
Retirement Account Divisions and the QDRO: What the Tax Treatment Actually Means
Qualified retirement accounts including 401(k)s, 403(b)s, and pension plans can be divided between divorcing spouses using a Qualified Domestic Relations Order, a legal document that directs the plan administrator to transfer a portion of the account to the non-participant spouse without triggering an immediate taxable event or early withdrawal penalty. The QDRO is a powerful tool, but its tax-deferred treatment does not eliminate the tax liability on those funds. It defers it.
Every dollar in a traditional 401(k) or pension plan will eventually be taxed as ordinary income when distributed. A $300,000 401(k) balance is not a $300,000 asset in the same sense that a $300,000 after-tax savings account is. Depending on the receiving spouse’s marginal tax rate in retirement, the after-tax value of that retirement account may be $210,000 or $240,000 or something else entirely, and that uncertainty should inform how the account is weighted against other assets in the settlement.
Roth accounts are treated differently. Roth IRA and Roth 401(k) balances have already been taxed, and qualified distributions are tax-free. A Roth account of the same nominal balance as a traditional account has meaningfully higher after-tax value. When a settlement includes both pre-tax and after-tax retirement accounts, modeling the distribution under realistic retirement income assumptions and applicable tax rates is the only way to understand what each party is actually receiving.
One additional QDRO consideration that is frequently overlooked: pension plans with defined benefit structures require actuarial analysis to determine present value, and that present value is sensitive to assumptions about discount rates and the participant’s mortality. The pension balance listed on a benefits statement is not the present value of the stream of payments the account will actually produce. Getting a proper actuarial valuation, or at minimum a present-value estimate built on sound assumptions, is essential before treating a pension as equivalent to a defined contribution balance in any settlement comparison.
The Family Home: Capital Gains Exclusion, Basis, and the Cost of Getting It Wrong
The family home is the asset that most couples feel most strongly about, which is precisely why the financial analysis around it is so often crowded out by emotion. For Massachusetts couples who purchased their home in the 1990s or early 2000s in communities like Newton, Lexington, Wellesley, or Lincoln, the appreciated value can be substantial. The tax consequences of how the home is handled in divorce can be equally substantial.
Under IRC Section 121, married couples can exclude up to $500,000 in capital gain from the sale of a primary residence, provided both spouses have owned and used the home as their principal residence for at least two of the five years preceding the sale. Once divorce occurs, that exclusion drops to $250,000 per individual. A couple who sells their home as part of the divorce settlement while both still qualify under the joint exclusion preserves $500,000 of gain shelter. A spouse who is awarded the home, moves out of the marital residence before the sale, and later sells after losing their two-year occupancy qualification may find that a significant portion of the gain is now taxable.
The timing of any home sale relative to the divorce process matters enormously, and it is one of the decisions where coordinating the financial analysis with the legal timeline produces the most concrete savings. I work through the capital gains exposure on the family home, the exclusion eligibility for each spouse under different timing scenarios, and the after-tax proceeds comparison between selling during the divorce versus after, so that couples can make this decision with a clear picture of what each option actually costs.
Cost basis also requires attention when investment real estate is part of the estate. Rental properties carry a depreciated basis, which means that even if the current fair market value is close to the original purchase price, the taxable gain on sale can be significant due to depreciation recapture. That recapture is taxed at a maximum federal rate of 25 percent, separate from the standard capital gains rate, and it applies regardless of how long the property has been held. A rental property assigned to one spouse at an apparently fair value can carry a tax tail that materially reduces its actual worth.
Massachusetts State Tax: Where the Interaction with Federal Treatment Creates Surprises
Massachusetts has its own income tax structure that does not conform to federal treatment in several areas relevant to divorce. The state taxes short-term capital gains at 8.5 percent, compared to the federal rate of up to 37 percent as ordinary income. Long-term capital gains in Massachusetts are taxed at 5 percent, which is relatively modest but not zero. For couples dividing a large portfolio with mixed holding periods, the Massachusetts tax impact on different assets varies in ways that affect the after-tax value comparison.
Alimony treatment is another area where Massachusetts and federal law have diverged. For divorces finalized after December 31, 2018, the federal Tax Cuts and Jobs Act eliminated the deductibility of alimony payments for the paying spouse and the corresponding income inclusion for the receiving spouse at the federal level. Massachusetts, however, did not conform to this change and continues to treat alimony as deductible to the payor and taxable to the recipient under state law. This creates a situation where a proposed alimony structure has different tax consequences depending on which tax return is being analyzed, and a settlement that was modeled correctly at the federal level may produce unexpected state tax results.
The practical implication is that alimony negotiations for Massachusetts couples require modeling both the federal and state treatment simultaneously to understand the true after-tax cash flow for both parties. A payor who cannot deduct alimony federally but can still deduct it on their Massachusetts return needs to understand what their net after-tax cost actually is. A recipient who does not include alimony in federal income but does in Massachusetts income needs to understand what their effective state tax burden on that income will be. Treating alimony as a straightforward income stream without running that dual-jurisdiction analysis produces a plan that surprises both parties when tax season arrives.
Why This Level of Analysis Requires Both CDFA and CPA Credentials
The tax issues described above are not general financial planning concepts. They are specific provisions of the Internal Revenue Code and Massachusetts tax law that interact with divorce in ways that require both financial planning expertise and tax technical knowledge to analyze correctly. I hold both the CDFA designation and a CPA license, and I use both in every settlement analysis I build. The CDFA framework provides the financial planning lens: cash flow modeling, present-value comparisons, long-term sustainability analysis. The CPA credential provides the tax technical foundation: basis tracking, depreciation recapture calculations, AMT analysis, and the Massachusetts conformity questions that arise on virtually every complex estate.
Not every CDFA has that tax background, and not every CPA has divorce financial planning experience. The combination matters because the questions that arise in a high net worth Massachusetts divorce do not sort neatly into financial planning boxes or tax boxes. They require both frameworks applied simultaneously.
Getting the Tax Analysis Right Before the Settlement Is Signed
Every settlement includes a tax consequence. The question is whether that consequence was identified and accounted for before the agreement was finalized, or discovered afterward when nothing can be changed. For high net worth couples in Massachusetts, the gap between a settlement analyzed with full tax depth and one that relied on face values and general assumptions can run into six figures or more. That gap does not announce itself. It emerges gradually, in the form of capital gains bills, unexpected retirement income taxation, and alimony tax treatment that neither party modeled correctly.
As a high net worth divorce financial planner and CPA, I work with couples in Boston, Wellesley, Wakefield, and throughout eastern Massachusetts who are in the collaborative process and need the financial analysis done at the level their estate requires. If you are building a settlement and are not confident that the after-tax value of every asset has been properly analyzed, that is the right conversation to have before you sign.
I offer confidential consultations for individuals and couples at any stage of the divorce process. Reach out to discuss what a complete tax and financial analysis of your settlement would involve.