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Colorado's Periodic Report is one of the cheapest annual filings in the country — $25, filed online with the Secretary of State. The catch isn't cost, it's the calendar: the deadline is keyed to your entity's report month, so every Colorado entity you form carries a different due date, and there is no single "Colorado day" to remember. Miss yours and the state walks you down a defined staircase — Noncompliant, then Delinquent — and starts a clock most owners have never heard of: 400 days after delinquency, your entity is literally renamed with the word "delinquent" in it, and your original name is released for anyone else to take.
| Item | Rule |
|---|---|
| Who files | Every reporting entity on file with the Colorado Secretary of State — LLCs, corporations, and foreign entities registered in Colorado (C.R.S. § 7-90-501) |
| When | Keyed to your Periodic Report Month (generally your formation/registration anniversary month — confirm yours on your entity's page in the SOS Business Database). Due by the end of the second month after it begins: report month January → due March 31 |
| Fee | $25 (raised from $10 on July 1, 2024 — the first change since 2006) |
| Where | Online only, through the Secretary of State's filing system |
| What it updates | Entity name/jurisdiction (read-only), principal office address, and registered agent name and address |
| If missed | Status → Noncompliant + late fee; a late report is due within 2 more months; then status → Delinquent |
The window is genuinely forgiving — three months from the first day of your report month, and the SOS offers free email and text reminders tied to your entity record. The failure mode isn't tightness; it's that anniversary deadlines don't repeat annually on a date you associate with "taxes" or "January renewals," so entity #2 and #3 quietly drift.
Colorado's most under-appreciated consequence: after an entity goes delinquent, its name is protected for only 400 days. On day 401, the Secretary of State changes the entity's name to include the word "delinquent" and the date of delinquency — and the original name becomes available for another entity to register. A brand you spent years building can be claimed by a stranger because a $25 filing slipped twice. (If that happens, getting the old name back isn't part of curing delinquency — you'd be filing amendments and hoping the name is still free.)
Anniversary deadlines are the ones that drift. EntityMinder puts each Colorado entity's report window on one calendar with every other state you file in — and reminds you before Noncompliant, not 400 days into Delinquent.
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