In recent years, relocation has become a major trend across the United States. Driven by remote work flexibility, retirement planning, or simply seeking a lower cost of living, millions of Americans have packed up and crossed state lines. And for many, the primary driver is tax savings.

It is easy to understand the appeal of states like Texas, Florida, Nevada, or Washington, which boast zero state income tax. When you are leaving a high-tax state like California or New York, the prospect of instantly saving 9% to 13% of your income is incredibly alluring. However, looking at income tax in isolation is one of the most common—and expensive—financial mistakes you can make. The reality is that state governments must fund public services, and if they don't collect revenue through income taxes, they must make it up elsewhere: usually through property taxes, sales taxes, or higher utility fees.

What is "Total Effective Tax Burden"?

To evaluate the real financial impact of a move, you need to calculate your Total Effective Tax Burden. This is the sum of all major taxes you pay annually as a percentage of your total income. It includes:

Federal Income Tax: Stays identical regardless of the state you live in.
State Income Tax: Varies from 0% up to over 13% depending on your bracket and location.
Payroll Taxes (FICA / Self-Employment): Shared social security and medicare taxes.
Property Taxes: Calculated based on the market value of your home, local assessment ratios, and local mill levies.
Sales Taxes: Combines state and local rates applied to your annual household spending.

A Tale of Three States: California vs. Texas vs. Colorado

Let's look at how the math plays out for a household earning $120,000 in wages, filing as Single, owning a $400,000 home, and spending about $35,000 annually on taxable goods.

1. California: High Income Tax, Low Property Tax

California has a reputation for high taxes, which is true for high earners. At $120,000, your state income tax would be roughly $6,500. However, California's Proposition 13 limits property tax rates to about 1% of the purchase price, resulting in property taxes of around $2,800. Coupled with a 7.25% average sales tax, your total state-level tax burden is approximately $11,800.

2. Texas: No Income Tax, High Property Tax

Texas has no state income tax, saving you $6,500 on day one compared to California. However, Texas has some of the highest property taxes in the nation, averaging around 1.8% to 2.2% of assessed value with annual reappraisals. On a $400,000 home, your annual property tax bill is approximately $7,200. Combined with state and local sales taxes of 8.25%, your total state-level tax burden rises to about $10,100. You still save, but the net benefit is significantly lower than the missing income tax suggests.

3. Colorado: Flat Income Tax, Moderate Property Tax

Colorado features a flat state income tax of 4.4%. On $120,000 of income, this is about $4,400. However, Colorado boasts some of the lowest property tax rates in the country, averaging around 0.51%. On a $400,000 home, your property tax bill is only about $2,040. Combined with a moderate sales tax, your total state-level burden is roughly $8,200. Surprisingly, for this income and home value, Colorado is actually the cheapest state of the three!

Why Nominal Rates are Deceiving

The lesson here is simple: nominal tax rates don't tell the whole story. High earners with lower housing needs will benefit immensely from no-income-tax states like Texas or Florida. Conversely, moderate earners who buy expensive homes may actually end up paying more total tax in Texas than they would in a moderate flat-tax state like Colorado or North Carolina.

How to Compare Before You Move

Before making a decision based on tax assumptions, always calculate your specific numbers. A side-by-side comparison tailored to your exact income, filing status, home value, and spending habits is crucial.

To help you model these scenarios easily, we built the State Tax Comparison Tool. You can select up to three states, enter your financial profile, and instantly see a visual breakdown of your true effective tax rates side-by-side.

The True Cost of Relocation: A State-by-State Tax Burden Comparison