IA

Iowa Surplus Lines Tax Filing 2026

The Iowa surplus lines tax is 0.925% of gross premium. SLTax360 automates every filing so MGAs, wholesalers, and retail brokers stay compliant without manual entry.

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Rates effective from 2026-07-24

Iowa Rates Snapshot
Surplus Lines Tax 0.925%

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 Iowa Surplus Lines Taxes

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

Each Iowa transaction we file is itemized into its components: surplus lines tax (0.925%). 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 Iowa filings are submitted: Iowa does not offer an unattended machine channel, so the platform calculates the amounts and generates the state's required file (NAIC OPTins annual report) for submission through your own Iowa portal account. The confirmation is stored back against the filing. You keep your own Iowa licence and portal login either way.

Whether you're an MGA filing a handful of Iowa 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 Iowa calculation (no signup required).

Iowa Notes: Surplus lines tax is 0.925% for the 2026 calendar year and 0.9% from 2027 (Iowa Code 432.1(4)), when Iowa is the insured's home state. Fees collected from the insured are part of the taxable premium. One report a year in NAIC OPTins, due March 1; no report is required for a year with no business.

Iowa Surplus Lines FAQ

As of 2026, the Iowa surplus lines tax rate is 0.925% of gross premium. The tax base in Iowa includes policy fees.

Iowa does not currently charge a stamping fee on surplus lines transactions.

Yes, with one manual step. Iowa does not offer an unattended machine channel, so SLTax360 calculates the amounts and generates the state's required file (NAIC OPTins annual report), which is then submitted through your own Iowa portal account, either by your team or by ours on a supported plan. The confirmation is stored back against the filing. You keep your own Iowa licence and portal login. Try the free Iowa rate in the public calculator before signing up.

Surplus lines tax is 0.925% for the 2026 calendar year and 0.9% from 2027 (Iowa Code 432.1(4)), when Iowa is the insured's home state. Fees collected from the insured are part of the taxable premium. One report a year in NAIC OPTins, due March 1; no report is required for a year with no business.

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