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.

Schedule a Demo Calculate CO Tax

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%). Your audit trail then shows exactly which line went where. Confirmations are retained, deadlines are tracked, and filings are reconciled against your invoice data.

How Colorado filings are submitted: SLTax360 transmits Colorado filings electronically via SOAP SLIP+. Confirmation numbers come back into the platform automatically, and rejections are surfaced as errors rather than left sitting as “filed.” You keep your own Colorado licence and portal login either way.

Whether you're an MGA filing a handful of Colorado transactions per month or a wholesaler running hundreds, the amounts, the deadline and the paperwork are handled in one place. 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.

Yes. SLTax360 transmits Colorado surplus lines filings electronically via SOAP SLIP+. Confirmation numbers are returned into the platform automatically and state rejections are surfaced as errors, so a filing never sits marked as filed when the state did not accept it. You keep your own Colorado licence and portal login. 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 Take Colorado Filings Off Your Desk?

A 20-minute demo will show you exactly how your Colorado volume runs end to end, and what changes in the other states you write.

Schedule a Demo Browse All States