To get a personal letter notarized you need to find a local notary. You must be present when it is notarized and have legal identification. Individuals can get letters, documents and forms notarized by a notary.
You can find a notary at 123notary.com or by asking others locally. Most attorney offices, real estate agencies and insurance offices keep a notary on staff regularly. You can contact these offices to see if they have a public notary available to notarize a personal letter. 123notary.com will allow you to search for notaries near you by inputting your city, zip code or county.