CO

Colorado Surplus Lines Tax Filing 2026

The Colorado surplus lines tax is 3% of gross premium, plus a 0.175% stamping fee. SLTax360 automates every filing so MGAs, wholesalers, and retail brokers stay compliant without manual entry.

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Rates effective from 2024-01-01

Colorado Rates Snapshot
Surplus Lines Tax 3%
Stamping Fee 0.175%

How SLTax360 Files Colorado Surplus Lines Taxes

Filing surplus lines tax in Colorado means navigating Colorado's specific submission channel, fee structure, and deadline rules. SLTax360 abstracts that away: we maintain the Colorado rate configuration in a versioned table and apply it automatically to every invoice you submit.

Each Colorado transaction we file is itemized into its components — surplus lines tax (3%), stamping fee (0.175%) — so your audit trail shows exactly which line went where. Confirmations are retained, deadlines are tracked, and filings are reconciled against your invoice data.

Whether you're an MGA filing a handful of Colorado transactions per month or a wholesaler running hundreds, the workflow is the same: upload, we file, you stay compliant. Want to verify the numbers yourself first? Run a free Colorado calculation — no signup required.

Colorado Notes: Colorado assesses a 0.7% surcharge on surplus lines premiums for the Cash Fund.

Colorado Surplus Lines FAQ

As of 2026, the Colorado surplus lines tax rate is 3% of gross premium. The tax base in Colorado includes policy fees.

Yes. Colorado applies a stamping fee of 0.175% on top of the surplus lines tax. Stamping fees fund the state-designated stamping office that reviews and processes filings.

SLTax360 automates Colorado surplus lines tax filing for MGAs, wholesalers, and retail brokers. We submit each transaction through the appropriate state-mandated channel (OPTins, SLIP+, or the state's own portal where applicable), retain audit-ready confirmations, and track deadlines so nothing slips. Try the free Colorado rate in the public calculator before signing up.

Colorado assesses a 0.7% surcharge on surplus lines premiums for the Cash Fund.

Ready to Automate Colorado Filings?

A 20-minute demo will show you how SLTax360 handles your Colorado volume end-to-end.

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