Have you heard of a savings waterfall? It’s a prioritized framework that helps you decide where to direct your hard-earned savings to maximize tax advantages. These guides are widely used, and they’re helpful. But they almost always share one thing in common: the taxable brokerage account sits at the very bottom of the list. These simplified waterfalls don’t always consider two major components of a comprehensive plan: the goals of the individual and life’s winding road.
Today, we’re making the case for the underdog.
What Is a Taxable Brokerage Account?
The taxable brokerage account — sometimes called an “after-tax account” — often lands in a lower priority ranking due to lack of tax benefits compared to a 401(k), HSA, Roth IRA, or IRA. Contributions don’t reduce your taxable income, and as your investments grow and generate income, you owe taxes along the way. This creates what’s known as “tax drag”, a modest but real headwind on your portfolio’s performance.
But that tax drag is the price of admission for something valuable: flexibility and liquidity.
Tax-advantaged accounts generally lock up your savings until age 59½ (with some exceptions — a topic for another post). A taxable brokerage account has no such restrictions. Your money is accessible whenever you need it, for whatever you need it for.
There are also some underappreciated tax advantages. Because you contribute after-tax dollars, your withdrawals aren’t taxed again as ordinary income. When you sell investments, you’ll typically owe capital gains taxes, but capital gains rates are generally lower than ordinary income rates, and in some cases, may be zero depending on your income level.
How It Works in Practice
Retirement Income Planning
Transitioning from the accumulation phase (saving) to the decumulation phase (spending) requires thoughtful income management. Pulling from a taxable brokerage account gives you a tool to reduce ordinary income, take advantage of favorable capital gains tax rates, and manage your gross income, which can affect deductions and healthcare premiums. This makes the taxable account especially valuable in early retirement, when age restrictions may still limit access to traditional retirement accounts (age 59 ½) and Medicare (age 65).
Large, Lump-Sum Purchases
Retirement often comes with meaningful spends: a boat, a second home, home repairs, a family vacation. For clients who have built a balance in their taxable brokerage account, these purchase decisions might carry less tax complexity. If you’ve saved exclusively in tax-deferred accounts, a large withdrawal can spike your income, push you into a higher tax bracket, reduce your deductions, and increase your Medicare or healthcare premiums. A taxable account often provides options to soften these impacts.
Investment Opportunities
Life doesn’t wait for the right account type. Real estate, business investments, and private equity investments often require capital on a timeline that doesn’t align with retirement account rules. A taxable brokerage account provides a nimble source of liquidity to act on opportunities outside the public markets. It can also serve as collateral for favorable-rate loans — another layer of flexibility that purely tax-deferred savers may not have.
Investment Management Considerations
Because of the ongoing tax implications, a taxable brokerage account benefits from more hands-on management than a simple “set it and forget it” approach. Depending on an individual’s goals and situation, strategies like regular tax-loss harvesting, tax-efficient security selection, and thoughtful portfolio construction (growth-oriented vs. dividend-focused) can meaningfully reduce tax drag over time.
The Bottom Line
Investing rewards returns at the cost of risk. The taxable brokerage account rewards liquidity and flexibility at the cost of taxation. This isn’t an argument against maximizing the 401(k), IRA, Roth, or HSA — those tools are powerful and should be included in the plan. It’s a reminder that every tool in the toolbox has a role to play in a comprehensive financial plan. Depending on established goals, a taxable brokerage account can make a meaningful difference in building a retirement that’s not just financially secure, but flexible.
Connor Michael, CFP®
Senior Financial Advisor
This material reflects the author’s opinion, is not intended to be investment, tax, or legal advice, and is provided for illustrative purposes only. Alaska Wealth Advisors is an investment adviser registered with the U.S. Securities and Exchange Commission. Registration does not imply a certain level of skill or training. More information about Alaska Wealth Advisors’ investment advisory services can be found in its Form ADV Part 2 and/or Form CRS, which is available upon request.
