For a Missouri private sale, the seller signs and prints their name on the back of the title, writes the odometer reading and sale date, hands you a safety inspection under 60 days old (plus an emissions test in St. Louis City and St. Louis, St. Charles or Jefferson County), removes the plates, and reports the sale to the Department of Revenue within 30 days. You then have 30 days to title the car and pay 4.225 percent state sales tax plus local tax. Day 31 costs a $25 penalty, and it climbs from there.
Before the details, a myth to clear up. In January 2026 the Department of Revenue put out a news release calling reports that Missouri would stop requiring vehicle inspections on January 1, 2026 incorrect, and said they were most likely generated by AI. A repeal bill did get close this year. Aftermarket Matters reported on May 20, 2026 that the House passed HB 1838, but the safety inspection program survived a session that ended May 15. So as of mid October 2026, the inspection rules below still apply. I checked the DOR pages on October 16.
What the seller has to hand over
The DOR selling a vehicle page lists four items for the buyer: a properly assigned title, a safety inspection certificate less than 60 days old, an emissions inspection under 60 days old if the seller lives in the St. Louis area counties above, and a notarized lien release (Form 4809) if there was a loan. Both seller and buyer print their names and sign the assignment area on the back. Those signatures do not need a notary, but the title cannot have white-out or erased marks, so one bad pen stroke can mean a duplicate title. Gifting? The DOR wants the word "GIFT" in the price area, not a $1 sale price.
The seller also pulls the plates, valid or expired, before you take the car. The DOR's buying a vehicle page is clear that on a complete change of ownership, the seller's plates cannot be transferred to or used by the buyer.
The Notice of Sale, and why sellers should care
Since 2006 a private seller has had to report the sale within 30 days on a Notice of Sale (Form 5049), the tear-off notice on newer titles, or a Bill of Sale (Form 1957). The DOR's Notice of Sale FAQ says skipping it is an infraction with a fine up to $200, or a class C misdemeanor with a fine up to $300 if it was done to help the buyer dodge titling or fees. It also says the seller stays the last titled owner on record until the buyer titles the car, which is exactly why you want that notice filed. Sales to a dealer, to an out-of-state buyer, or of a salvage-titled vehicle are among the exceptions.
Buyers, there is a reason for you too. If you have not titled within 60 days, the DOR uses the notice to send you a letter with the taxes, penalties and fees due.
Your 30 days, the penalty and the inspection exemption
The buying page says you have 30 days from purchase to title and pay sales tax. Late penalties start at $25 on day 31 and add $25 for every 30 days after that, up to $200. If you need to drive before you title, a temporary permit is good for 30 days from purchase and costs $5 plus a $9 processing fee at a license office; you will need the signed title, a safety inspection and proof of insurance.
On inspections, the buying page lists an exemption for a vehicle less than eleven years old with under 150,000 miles. Plenty of private-sale cars are older than that, so assume you need one. And if the car was last titled in another state, the DOR may want an ID/odometer inspection, which a current safety inspection satisfies.
What the license office will charge
From the buying page: 4.225 percent state sales tax plus your local sales tax on the price, an $8.50 title fee, a $9 title processing fee, and registration fees based on taxable horsepower or weight, with their own $9 or $18 processing fee for one or two years. New plates also need a paid personal property tax receipt or a statement of non-assessment from your county. On a $7,000 car the state tax alone is $295.75, plus $17.50 for title and processing, before local tax and plates. Local rates vary a lot, so use the DOR's sales tax calculator rather than guessing.
One honest warning the DOR itself prints: curbstoners, unlicensed dealers posing as private sellers, often leave buyers with damaged or uninsurable cars. If the name on the title is not the person in front of you, stop.
Check the history before the handshake
Match the VIN on the car to the title with our VIN verification for title transfer guide and search NMVTIS for brands. Missouri gets hail, and our Kansas and Missouri hail salvage post and Missouri salvage and rebuilt title rules explain what a brand does to the deal. CARFAX for private-party sales covers what a report catches.
CarVins resells CARFAX and AutoCheck under license and is not affiliated with CARFAX, AutoCheck or Experian. Right now a single report is roughly $5.50 for a guest and $4.50 for a member, or around $6.75 for both, where retail runs $39.99 to $44.99; confirm at checkout because it can change. CARFAX's overview lists what is inside.
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