Starting an LLC in Colorado as a retiree can be a rewarding way to supplement your income and pursue your passions. However, it's crucial to understand the tax implications to avoid surprises and maximize your financial well-being. You can learn more about setting up your Colorado LLC to understand the full picture. This guide provides a clear overview of the tax landscape for retiree-owned LLCs in Colorado for 2026.
LLCs in Colorado offer pass-through taxation, meaning the business's profits and losses are reported on your personal income tax return. This avoids double taxation (as with C-corporations). However, as a retiree, you'll need to consider how LLC income affects your Social Security benefits and Medicare premiums. We cover this in depth in our resource on forming an LLC in Colorado. Colorado also has its own state income tax and sales tax considerations.
Single-member LLCs pay self-employment tax (15.3%) plus income tax on all net profits, reported on Schedule C of the owner's personal tax return.
If you use a portion of your home exclusively and regularly for business, you can deduct expenses related to that space.
You can deduct ordinary and necessary business expenses, such as supplies, travel, and marketing costs. Self-employed individuals can deduct health insurance premiums paid for themselves, their spouse, and dependents.
Pay estimated income tax and self-employment tax to the IRS.
Pay estimated state income tax to the Colorado Department of Revenue. File sales tax returns and remit collected sales tax to the Colorado Department of Revenue.
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State-specific formation guides, cost breakdowns, compliance checklists, and expert comparisons — updated for 2026.