Free Iowa Car Bill of Sale
Selling a car privately in Iowa runs through one of the state's 99 county treasurer offices — not a central DMV — which means the process, hours, and turnaround time vary depending on whether you're in Polk County or Pottawattamie County. The buyer must complete Iowa DOT Form 411007 at their own county treasurer within 30 days, and the seller should remove Iowa plates immediately at the time of sale because Iowa is a plates-to-owner state. A properly completed bill of sale protects both parties when the county treasurer verifies the sale price against the 5% One-Time Registration Fee.
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Iowa Car Bill of Sale — What You Need to Know
Sales Tax Details
Iowa charges a 5% One-Time Registration Fee (use tax) on the purchase price of private-party vehicle sales, collected by the county treasurer at the time of title transfer. Some counties that have adopted the Local Option Sales Tax add 1% on top of the state rate — confirm with your specific county treasurer's office.
Exemption: Gifts between qualifying family members and vehicles transferred as part of an estate may qualify for reduced fees; the county treasurer's office determines eligibility case-by-case.
Inspection Requirements
Iowa has no statewide safety inspection requirement and no emissions testing program. Vehicles may be driven to the county treasurer's office for title transfer without a pre-sale inspection.
Registration
Registration for this vehicle type is handled by Iowa Department of Transportation, Motor Vehicle Division — processed at county treasurer offices — not the same agency that handles cars in Iowa. Plan for separate filings.
Iowa Car Sale — Step-by-Step Checklist
- Seller signs the back of the Iowa Certificate of Title over to the buyer, including the odometer disclosure section (federally required for vehicles under 20 years old).
- Both parties complete a bill of sale recording the VIN, year, make, model, sale price, date of sale, and both parties' full legal names and addresses.
- Seller removes Iowa license plates from the vehicle — plates belong to the owner in Iowa and must not be transferred with the car.
- Seller can optionally cancel or transfer the plates to another vehicle at any county treasurer's office.
- Buyer obtains Iowa liability insurance before driving the vehicle on public roads.
- Buyer visits their own county treasurer's office within 30 days of sale with the signed title, bill of sale, and proof of insurance to complete Iowa DOT Form 411007 (Application for Certificate of Title and/or Registration).
- Buyer pays the 5% One-Time Registration Fee on the declared sale price, plus any applicable county local option sales tax, title fee, and registration fee at the treasurer's office.
- Buyer receives new Iowa plates and a new title issued in their name by the county.
Common Pitfalls
- Missing the 30-day title transfer window results in late fees charged by the county treasurer, and the buyer cannot legally register the vehicle until the title is transferred.
- Leaving plates on the vehicle: Iowa plates belong to the seller. Allowing the buyer to drive away with your plates means your registration — and potentially your insurance record — remains associated with a car you no longer own.
- Underreporting the sale price to reduce the One-Time Registration Fee is tax fraud; county treasurers cross-check against book value and can assess additional fees on suspiciously low declared prices.
- Assuming all 99 county treasurer offices work the same way: hours, appointment requirements, and processing times vary significantly — call ahead or check your county's website before making the trip.
- Failing to complete the odometer disclosure on the title itself: the federal Truth in Mileage Act requires odometer disclosure on the title document, not just on a separate bill of sale, for vehicles under 20 years old.
Pro Tip
The smoothest Iowa car sale happens when the seller prepares a complete document package before the buyer arrives: a clean title with odometer disclosure already filled in, a signed bill of sale with the agreed price clearly stated, and plates already removed. Because the buyer handles title transfer independently at their own county treasurer's office, the seller's job is essentially done at the moment of handoff — there is no seller filing requirement in Iowa equivalent to California's Release of Liability, which makes the process simpler as long as both parties have clean documentation from the start.