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If you're buying or selling gold in Colorado (CO), you benefit from a broad sales tax exemption on most investment-grade bullion. Gold, silver, platinum, and palladium coins and bars are generally exempt from sales tax when their value is primarily derived from metal content rather than collectibility.
However, federal taxation rules still apply when selling precious metals at a profit, and Colorado taxes capital gains as part of state income tax. Certain rare or collectible coins may also be treated differently depending on classification.
Precious metals such as gold and silver are classified as collectibles under U.S. federal tax law. Profits realized when selling investment metals may therefore be subject to federal capital gains tax, with a maximum rate of 28%, depending on income level and holding period.
Capital gains tax generally applies when metals are sold for fiat currency or exchanged for goods and services. No tax is due simply for purchasing or holding bullion.
Colorado taxes capital gains as part of regular state income tax. The state applies a flat income tax rate of 4.4% for the 2025 tax year, which applies to all investment gains including gains derived from precious metals. Note that the rate was temporarily reduced to 4.25% for the 2024 tax year under Colorado's Taxpayer's Bill of Rights (TABOR), and future reductions remain possible depending on state revenue levels.
Colorado exempts most investment-grade precious metals from state sales tax. This exemption applies to gold, silver, platinum, and palladium bullion coins and bars whose value is primarily based on metal content, and also covers coins that are or were used as a medium of exchange in the United States or a foreign country.
The exemption applies to state-level and state-administered local sales taxes. However, investors should be aware that Colorado's home-rule cities and counties that collect their own sales tax are not required to follow the state exemption. Cities such as Denver may apply their own local sales tax rules to precious metals purchases. Investors should verify the applicable local tax treatment based on their purchase location.
To qualify as investment-grade bullion in Colorado, precious metal products typically must:
Jewelry, art, and commemorative items made from precious metals remain subject to sales tax, regardless of metal content. Certain numismatic coins that are not designated as a medium of exchange may also be taxable depending on classification.
Colorado is generally considered a tax-friendly state for precious metals investors due to the statewide sales tax exemption on most investment-grade bullion. This reduces transaction costs when acquiring physical gold, silver, platinum, or palladium.
However, capital gains realized when selling precious metals remain subject to both federal taxation and Colorado's flat state income tax of 4.4%. Investors purchasing in home-rule cities should also verify whether local sales taxes apply, as the state exemption does not automatically extend to all municipalities.