SD

South Dakota Surplus Lines Tax Filing 2026

The South Dakota surplus lines tax is 2.5% of gross premium, plus a 0.175% stamping fee. SLTax360 automates every filing so MGAs, wholesalers, and retail brokers stay compliant without manual entry.

Rates effective from 2024-01-01

South Dakota Rates Snapshot
Surplus Lines Tax 2.5%
Stamping Fee 0.175%

How SLTax360 Files South Dakota Surplus Lines Taxes

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

Each South Dakota transaction we file is itemized into its components — surplus lines tax (2.5%), 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 South Dakota 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 South Dakota calculation — no signup required.

South Dakota Notes: South Dakota: 2.5% SL tax on gross premiums.

South Dakota Surplus Lines FAQ

As of 2026, the South Dakota surplus lines tax rate is 2.5% of gross premium. The tax base in South Dakota does not include policy fees.

Yes. South Dakota 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 South Dakota 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 South Dakota rate in the public calculator before signing up.

South Dakota: 2.5% SL tax on gross premiums.

Ready to Automate South Dakota Filings?

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