By Michael Ruger, CFP®
Partner and Chief Investment Officer at Greenbush Financial Group
For many retirees, Social Security is a cornerstone of their retirement income. But what sometimes comes as a surprise is that Social Security benefits can be subject to federal income tax—and in a few cases, state income tax as well. This raises an important planning question: should you withhold taxes directly from your Social Security benefit, or handle them another way?
Let’s walk through the key considerations.
Social Security Withholding Options
The Social Security Administration (SSA) allows you to elect to have federal income taxes withheld directly from your monthly benefit. Unlike wages, where you can set a specific withholding percentage, Social Security offers fixed percentage options:
7%
10%
12%
22%
These percentages are applied to your total monthly benefit, and the withheld amount is sent directly to the IRS. This system is called voluntary withholding, and it can be a convenient way to avoid unexpected tax bills at the end of the year.
How Social Security Is Taxed at the Federal Level
Whether or not your Social Security benefit is taxable depends on your provisional income, which includes:
Your adjusted gross income (AGI), plus
Any tax-exempt interest, plus
50% of your Social Security benefits
Depending on your filing status and income level:
Single filers: If provisional income is between $25,000 and $34,000, up to 50% of your Social Security is taxable. Above $34,000, up to 85% of benefits may be taxable.
Married filing jointly: If provisional income is between $32,000 and $44,000, up to 50% of benefits are taxable. Above $44,000, up to 85% of benefits may be taxable.
It’s important to note that no one pays tax on more than 85% of their Social Security benefit.
State Taxation of Social Security
Most states do not tax Social Security benefits. However, as of now, 12 states do tax Social Security in some form:
Colorado
Connecticut
Kansas
Minnesota
Montana
Nebraska
New Mexico
Rhode Island
Utah
Vermont
West Virginia
Wisconsin
Each state has its own rules, income thresholds, and exemptions, so the actual impact can vary significantly.
What If You Don’t Withhold? Estimated Tax Payments
If you choose not to have taxes withheld from your Social Security benefits, you may need to make quarterly estimated tax payments to the IRS. These payments cover your expected federal tax liability and prevent penalties.
The deadlines for estimated tax payments are:
April 15 – for income earned January 1 through March 31
June 15 – for income earned April 1 through May 31
September 15 – for income earned June 1 through August 31
January 15 (of the following year) – for income earned September 1 through December 31
How to Elect Withholding from Your Social Security Benefit
You can elect to have taxes withheld from your Social Security in two ways:
Online – Log into your my Social Security account and update your withholding preferences electronically.
Paper Form – Complete IRS Form W-4V (Voluntary Withholding Request) and mail it to your local Social Security office.
Once processed, your elected withholding percentage will be applied to each monthly benefit.
IRS Penalties for Not Withholding or Paying Estimated Taxes
If you fail to withhold taxes or make sufficient estimated tax payments, the IRS may assess underpayment penalties. These penalties are essentially interest charges, calculated on the unpaid balance for each quarter you were short.
The penalty is based on:
The amount underpaid, and
The length of time the payment was late
The interest rate is tied to the federal short-term interest rate plus 3% and is adjusted quarterly.
For retirees living on fixed income, these penalties can feel like an unnecessary burden. Electing withholding or staying current with estimated payments can help avoid these surprises.
Final Thoughts
For many retirees, setting up withholding directly from Social Security benefits is the easiest way to stay on top of taxes. It provides peace of mind, ensures compliance, and avoids the hassle of quarterly estimated payments.
However, every situation is unique. The decision should factor in your other sources of income, state tax laws, and overall tax bracket.
Working with a financial planner or tax professional can help determine whether withholding, estimated payments, or a combination of both makes the most sense for you.
About Michael……...
Hi, I’m Michael Ruger. I’m the managing partner of Greenbush Financial Group and the creator of the nationally recognized Money Smart Board blog . I created the blog because there are a lot of events in life that require important financial decisions. The goal is to help our readers avoid big financial missteps, discover financial solutions that they were not aware of, and to optimize their financial future.
Frequently Asked Questions (FAQs)
Are Social Security benefits taxable?
Depending on your total income, up to 85% of your Social Security benefits may be subject to federal income tax. The amount taxed is based on your provisional income—which includes your adjusted gross income, tax-exempt interest, and half of your Social Security benefits.
How can I have taxes withheld from my Social Security benefits?
You can elect voluntary withholding through the Social Security Administration. Fixed percentages of 7%, 10%, 12%, or 22% can be withheld from each monthly payment and sent directly to the IRS to cover your federal tax liability.
How do I request tax withholding from my Social Security payments?
You can make the election online through your my Social Security account or by filing IRS Form W-4V (Voluntary Withholding Request) with your local Social Security office. Once processed, the withholding percentage applies automatically to future payments.
Which states tax Social Security benefits?
Most states do not tax Social Security, but a handful—including Colorado, Kansas, Minnesota, Montana, Nebraska, New Mexico, Rhode Island, Utah, Vermont, West Virginia, Wisconsin, and Connecticut—do in some form. Rules and exemptions vary by state.
What happens if I don’t withhold taxes from my Social Security income?
If you choose not to withhold, you may need to make quarterly estimated tax payments to the IRS. Missing these payments or paying too little can result in underpayment penalties and interest charges.
When are quarterly estimated tax payments due?
Estimated payments are typically due on April 15, June 15, September 15, and January 15 of the following year. These payments cover taxes owed on income not subject to withholding, including Social Security, pensions, and investment income.
How can retirees avoid IRS underpayment penalties?
Setting up withholding directly from Social Security benefits is often the easiest option. Alternatively, retirees can work with a tax professional to estimate their annual tax liability and adjust quarterly payments accordingly to avoid penalties.
