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4 Ways to Reduce High State Income Taxes

Although often overshadowed by the higher federal tax rates, state income taxes can take a large bite out of earnings. Thankfully, there are a few options to reduce your state tax bill. For those in highly taxed states, simple changes like saving using treasury bills instead of bank CDs for your cash savings could knock off hundreds of dollars per year in your state tax bill. What else can you do? Here is a quick list:

Which states have the honor of having the highest income tax rates?

States with the Highest Income Tax Rates (as of 2018):

  1. California – 13.30%

  2. Hawaii – 11%

  3. Oregon – 9.90%

  4. Minnesota – 9.85%

  5. Iowa – 8.98%

  6. New Jersey – 8.97%

  7. Washington D.C – 8.95%

  8. Vermont 8.95%

  9. New York – 8.82%

  10. Wisconsin – 7.65%

These rates are based on the state’s highest marginal tax bracket, and is based on information from the Tax Foundation:

nationwide tax rates.png

The higher state taxes mean that how you should save and invest could be radically different than someone who lives in a low or no income tax state, such as Florida.

What can those in high tax states do to help reduce their state tax bill? Here’s a few quick tips:


Reduce Your State Tax Bill with Treasury Bills Instead of Corporate Bonds, CDs, Money Markets, or even a Savings Account


When you earn interest on corporate bonds, a money market account, or even a basic bank savings account, any gains from interest are taxed as regular income. For a saver with an income of $85,000 in Iowa for example, this means a 24% federal tax rate PLUS an 8.98% Iowa state tax on all interest income.

For those in a high tax state, U.S. Treasury bills offer a great advantage; U.S. Treasuries bills, notes, and bonds are not subject to state taxes! Depending on what state you live in, that could mean up to an extra 13% for you.

This can benefit those with significant cash or bank CD savings, and long term investors who use corporate bonds or longer term bank CDs. We’ll look at both scenarios below:


Treasury Bills for Tax Free Short Term Savings

For someone who has a significant amount in cash in a bank, CD, or a money market fund earning interest, being able to not pay state taxes on your interest could really save some money.  Thankfully for you there is a way by using short term treasury bills instead.

For example, let’s take a look at a saver in California in the 24% federal tax bracket and 13.30% state tax bracket with $100,000 earning 1.75% in a bank CD.

Each year they receive $1,750 in interest, which is then taxed 24% federally ($472.50) and 13.3% ($232.75) by the State of California. After taxes, this saver is left with $1,044.75 for an effective after-tax yield of 1.04%

If that same saver used 4 week Treasury bills with the same yield, they would end up with $1,277.50, $230 more per year just by choosing a more tax efficient savings vehicle!

Best yet, since interest rates have risen over the last year, you can actually get a decent return on treasury bills.


Today as I write this, here are the yields for various savings securities/accounts:

4-week Treasury bill – 1.78%

5-Year CD – 1.72%

High Yield Savings or Checking Accounts -  1.5 – 1.75%

Money Market – 0.47%

13-week Treasury bill – 1.93%

(You can find today’s rates on a site such as the Wall Street Journal’s Market Center)

So not only are treasury bills more tax efficient than many other forms of savings, today they also provide a higher interest rate as well!


For those looking to boost their after tax savings with treasury bills you have a couple options:

Individual investors can use the U.S. Government’s Treasury Direct website to buy and sell treasury bills (along with savings bonds, treasury bonds, and other government securities). Treasury direct offers 4, 13, 26 and 52 week treasury bills.

And for those who may be uncomfortable doing this on their own, we at Hylland Capital Management offer cash management service for our clients with our partnership with TD Ameritrade. Better still - buying U.S. Treasury bills at auction through us and TD Ameritrade is commission free. Do you have cash sitting in a bank account that should be earning higher returns elsewhere? Contact us today:



Treasury Notes and Bonds for Longer Term Savings

This benefit also works for longer term savings and investments as well. Let’s use our same California investor in the 24% federal tax bracket and 13.3% California tax bracket and assume they have $100,000 in a corporate bond yielding 2.85% in a taxable brokerage account.

They will receive $2,850 per year in interest, which will be taxed 24% by the federal government ($684) and then 13.3% by the State of California ($379). Our California saver would be left with $1,787, for an after tax yield of $1.787%.

An equivalent yielding Treasury bond would provide this California investor $2,166, for an after-tax yield of 2.166%.

However, this example is not very realistic today.  Unlike treasury bills today, treasury bonds trade at a lower interest rate than many corporate bonds. High rated corporate bonds currently trade with a yield about 0.80% higher than equivalent treasuries, which may mean that even after state taxes, they provide a higher return (however note there may be added risk using corporate bonds instead of treasuries!).

But interest rates change all the time. Our California investor would need to see treasury bond yields rise to about 2.47% or higher to create a higher after-tax return of a corporate bond with a yield of 2.85%.


Reduce Your State Tax Bill by Using Municipal Bonds Instead of Corporate Bonds or Bank CDs

Like treasuries, municipal bonds are often exempt from state and local taxes (and also federal taxes!). The federal tax break provides a benefit regardless on which state you live in, but for those in states or locales with high income tax, the additional tax break can make them extra useful.

But, many states and local governments have special rules and restrictions on which municipal bonds qualify for tax-exempt status. (For example, here is a list of Iowa’s restrictions for municipal bonds to qualify for a tax-exempt status) So check with your state and local laws, or a local CPA or financial advisor, to make sure you will qualify for the tax break.

How much can this tax break benefit an investor in a high tax state? Let’s look at an Iowa investor in the 24% federal tax bracket and 8.98% State of Iowa tax bracket.

Based on today’s interest rates let’s consider two options for this investor; a bond issued by Apple paying 2.85%, or a municipal bond issued by the city of Des Moines for 2.15%:

For those curious, this is based on real interest rates today. Here are the current going rates for various bonds today as I write this:



Which bond is best for our Iowa investor?

If this investor has $100,000 to invest, the Apple corporate bond would return $2,850 per year and be subject to a 24% federal tax ($684) and 8.98% from state taxes ($256), for an after-tax return of $1,915 or 1.915%.

A qualifying municipal bond from Des Moines that yields 2.15% would return $2,150 per year and is subject to no taxes, netting our Iowa investor an extra $1,175 over the life of the bond (assuming it’s a 5-year bond).

Even though at first glance it appears that Apple's bond will have a higher return, that is not necessarily the case for an investor in a high tax state such as Iowa!

Investors can find municipal bonds with very short term or long term maturities depending on their saving or investing time horizon. However it is important to note that many bank accounts are insured by the FDIC, where municipal bonds have default risk. Make sure the higher risk of municipal bonds is within your comfort level and stick to higher rated issues with less credit risk.


529 Education Savings Plans for Reducing State Taxes for Those With Children in Private K-12 School or College

529 education savings accounts being used for tax free savings for college is nothing new.

We have an in-depth 3 part college savings guide here that you can read for more on traditional 529 account usage:

But the new tax law has expanded the use of 529s to those who are paying not only college tuition and eligible expenses, but also private K-12 school tuition.

That means even if you don’t intend to use a 529 to save for the long term, or your child is not going to college, simply contributing to a 529 and them immediately using the 529 to pay tuition (for college or private K-12 school) can save you hundreds in state taxes. (Check with your state laws on this, as some states may have a 1 year holding period of funds in a 529 account!)

Tax benefits for 529s vary state by state, but of the top 10 highest tax states we listed above, here is the maximum state tax deduction and total state tax reduction you could qualify for:

  1. California – $0 (Sorry Californians, your state offers income tax break for 529 contributions!)

  2. Hawaii – $0 (Same to you, Hawaiians)

  3. Oregon – maximum deduction of $2,265 per parent or $4,530 per married couple, for a total reduction of state taxes of up to $224 per parent or $448 per married couple.

  4. Minnesota – maximum deduction of $1,500 per parent or $3,000 per married couple, for a total reduction of state taxes of up to $147 per child, or $294 per married couple. Minnesotans within income under $75,000 also have the opportunity to take a tax credit of up to $500.

  5. Iowa – maximum deduction of $3,163 per parent or $6,326 for married couple, for a total reduction of state taxes of up to $284 per parent or $568 per married couple.

  6. New Jersey – $0 (no state tax break for contributions)

  7. Washington D.C – maximum deduction of $4,000 per parent or $8,000 per married couple, for a total reduction of state taxes up to $358 per parent or $716 per married couple.

  8. Vermont – maximum total reduction of state taxes up to $250 per parent or $500 per married couple.

  9. New York – maximum deduction of $5,000 per parent or $10,000 per married couple, for a total reduction in state taxes of up to $441 per parent or $882 per married couple.

  10. Wisconsin – maximum deduction of $3,000 per child, for a total reduction in state taxes of up to $229 per child.




This information should be useful for those in every state, but the benefits will be greatest for those in the states with the highest income taxes.

Wondering how your saving and investing can be made more tax efficient? At Hylland Capital we offer free initial meetings, what do you have to lose?

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