CA

California Surplus Lines Tax Filing 2026

The California surplus lines tax is 3% of gross premium, plus a 0.18% stamping fee. SLTax360 automates every filing so MGAs, wholesalers, and retail brokers stay compliant without manual entry.

Rates effective from 2024-01-01

California Rates Snapshot
Surplus Lines Tax 3%
Stamping Fee 0.18%

How SLTax360 Files California Surplus Lines Taxes

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

Each California transaction we file is itemized into its components — surplus lines tax (3%), stamping fee (0.18%) — 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 California 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 California calculation — no signup required.

California Notes: California has a 0.002% SLIP service charge in addition to SL tax and stamping fee.

California Surplus Lines FAQ

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

Yes. California applies a stamping fee of 0.18% on top of the surplus lines tax. Stamping fees fund the state-designated stamping office that reviews and processes filings.

SLTax360 automates California 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 California rate in the public calculator before signing up.

California has a 0.002% SLIP service charge in addition to SL tax and stamping fee.

Ready to Automate California Filings?

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