24-Hour Notary in O'Fallon, MO
Need a notary right now in O'Fallon, Missouri? Several notaries in O'Fallon are available around the clock — nights, weekends, and holidays. Emergency notary services are ideal for last-minute real estate closings, hospital signings, and urgent legal documents.
O'Fallon has 20 notary publics listed on LocalNotaryFinder. The average customer rating across 20 rated listings is 4.7 out of 5 stars, based on 3,848 combined customer reviews. The UPS Store is the most-reviewed listing, with 1219 reviews. 2 listings offer 24-hour availability for urgent signings. 13 of 20 are open on weekends. 11 listings offer evening hours past 6:30pm. Listings span 11 different ZIP codes across the O'Fallon area.
2 notaries listed in O'Fallon, MO.
Saint Charles Notary
535 Ross Ln, St Charles, MO 63304
Hours
- Friday: Open 24 hours
- Monday: Open 24 hours
- Saturday: Open 24 hours
- Sunday: Open 24 hours
- Thursday: Open 24 hours
- Tuesday: Open 24 hours
- Wednesday: Open 24 hours
Sign Here 2 Signing Service
17295 Chesterfield Airport Rd Ste 200, Chesterfield, MO 63005
Hours
- Friday: Open 24 hours
- Monday: Open 24 hours
- Saturday: Open 24 hours
- Sunday: Open 24 hours
- Thursday: Open 24 hours
- Tuesday: Open 24 hours
- Wednesday: Open 24 hours
More ways to reach a notary after hours
About 14 miles away, Wildwood has 3 notaries with 24-hour availability.
Missouri also allows Remote Online Notarization — some documents can be notarized over a live video call at any hour, no in-person visit required. Check if your document qualifies →
Every 24-hour listing in O'Fallon also lists weekend hours.
Every 24-hour listing in O'Fallon also lists hours past 6:30pm.
Also in O'Fallon:
Frequently Asked Questions — 24-Hour Notary in O'Fallon, Missouri
Are there notaries open 24 hours in O'Fallon, MO?
Yes — 2 notaries in O'Fallon list 24-hour availability. These are typically mobile notaries who accept after-hours calls for urgent document needs. Always call ahead to confirm availability.
How much does an emergency notary cost in O'Fallon?
After-hours and emergency notary services in O'Fallon, MO typically add a premium on top of the standard notarization fee. Expect $50–$200 total for a late-night or weekend call, depending on urgency, travel distance, and document complexity.
What documents can I get notarized at 2am in O'Fallon?
A 24-hour notary in O'Fallon can notarize the same documents as any commissioned notary — powers of attorney, real estate documents, affidavits, loan documents, healthcare directives, and more. There is no restriction on document type based on the time of day.
Can I get a notary on the weekend in O'Fallon?
Yes. Many mobile notaries in O'Fallon, Missouri work weekends and holidays, especially for real estate closings and hospital visits. Search the listings above and call to confirm Saturday or Sunday availability.