CO

Colorado Surplus Lines Tax Filing 2026

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

Rates effective from 2026-07-24

Colorado Rates Snapshot
Surplus Lines Tax 3%
SLIP+ Transaction Fee 0.175%

Estimate only. Figures are calculated from published state rates and are not a guarantee of the amounts due. Verify with the applicable state or stamping office before filing.

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%), SLIP+ Transaction 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: All policy fees (i.e., carrier fees, inspection fees, broker fees, etc.) charged on Colorado surplus lines policies are taxable and should be reported in the Policy Fees field in SLIP + for States.

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.

All policy fees (i.e., carrier fees, inspection fees, broker fees, etc.) charged on Colorado surplus lines policies are taxable and should be reported in the Policy Fees field in SLIP + for States.

Ready to Automate Colorado Filings?

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