The South Dakota surplus lines tax is 2.5% of gross premium, plus a 0.175% SLIP+ Transaction Fee. SLTax360 files it electronically with the state and keeps the confirmation on the filing.
Rates effective from 2026-07-24
| Surplus Lines Tax | 2.5% |
| 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.
South Dakota sets its own filing channel, fees and deadlines. We keep the South Dakota rates and rules current and apply them to every invoice, so nobody on your team has to check a bulletin by hand.
Each South Dakota transaction we file is itemized into its components: surplus lines tax (2.5%), SLIP+ Transaction Fee (0.175%). Your audit trail shows exactly which line went where. Confirmations are kept, deadlines are tracked, and filings are reconciled against your invoice data.
Whether you're an MGA filing a handful of South Dakota 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 South Dakota calculation (no signup required).
In a 15-minute call we show you how your South Dakota volume would run end to end, and what changes in the other states you write.