Guide
There is no fixed number, but for most notary signing agents the arithmetic lands between two and four loan signings in a day, because a single signing occupies two to three hours even when the appointment itself runs about an hour. The appointment is the short part. Printing the package, driving both ways, checking every page before you leave, and getting the documents back out the door are what fill the rest of the day.
The questions below work through where the hours actually go, how much room to leave between appointments, why every signer wants the same two hours of the evening, and how to block a signing so your calendar stops advertising time you already spent. Scanback orders are the most common reason a day holds one fewer signing than expected, and that is worked through in what scanbacks are and how signing agents handle them. The confirmation call is where you usually discover an order is bigger than it looked, covered in what to confirm with the borrower before a signing.
Two to four is where most working days land, and the limit is rarely the appointment. A signing is an errand with a beginning and an end: documents download, pages print, you drive, the signer reads and signs, you check every page, you scan if the order calls for it, and you get the package to a carrier before its cutoff. Count all of that and one signing claims two to three hours. A day with room for four is usually a day of short refinance packages in a tight geography with no scanback holds. A day with two purchase closings across a metro area is a full day. Anyone quoting you a flat number is describing their own market, not yours.
Commonly around an hour at the table, with refinances at the shorter end and purchases at the longer end because the package is bigger and there are usually two signers reading it. That is the number experienced signing agents plan around, and it moves for reasons you cannot see when you accept the order. A signer who reads every page, a borrower who wants the rate and the payoff explained, a second signer arriving from work, a reverse mortgage or a HELOC with an unpredictable page count: any of those turns a 50-minute appointment into 90 minutes. The appointment is the least predictable part of the day, which makes it a poor thing to build a tight schedule on.
Four things, and they are the ones people forget when they say yes to a fourth order. Printing: a loan package is a stack, often in two paper sizes, and a dual-tray printer working through it is not instant. Driving: both directions, at the hour the appointment actually falls, not at the hour the map app quotes at noon. Checking: going back through the package for a missed initial or an unstamped certificate before you leave the signer, because catching it at the table is free and catching it tomorrow is not. Return: scanning when the order requires it, then getting the envelope to a drop-off before the carrier's last pickup. On a scanback order the return leg alone can rival the appointment, which is covered in more detail in the guide to scanbacks.
Enough to absorb the two things that reliably run over: the appointment and the drive. Signing agents who work back-to-back days often describe leaving somewhere between an hour and 90 minutes between start times in the same area, and more when the second appointment is across town or in rush hour. The useful way to think about it is not a buffer you add at the end but a window you refuse to shrink. If your second appointment starts 75 minutes after your first and the first one has ever taken 90, you have not scheduled two signings, you have scheduled one signing and an apology.
Because signers have jobs. Requests cluster in the late afternoon and early evening on weekdays, plus weekends, for the plain reason that a borrower would rather sign at six than take time off at eleven. The practical effect is that your day does not load evenly. You may have four open hours at midday that nobody wants and two hours at the end of the day that three different companies are competing for. That is also why the evening slot is where double-bookings happen: it is the only slot, so it is the one people stretch to fit one more order into.
Only when you can finish the one you already took without cutting it short. The National Notary Association's Notary Signing Agent Code of Conduct addresses this directly under Guiding Principle 9, which covers acting responsibly toward contracting companies and the parties to the transaction. Its standards ask signing agents to refuse an assignment they can reasonably foresee being unable to meet, including arriving at the set time and printing the documents, and not to schedule same-day appointments so closely that they cannot meet the expectations of either one. It is a voluntary professional code rather than law, and the companies that hire you may have their own expectations on top of it. Read as a scheduling rule rather than an ethics rule, it says what this page says. The question is never whether the next appointment fits in the calendar. It is whether it fits after the one before it goes long.
Tell both ends before they find out on their own. Common practice is to call or text the next signer with a realistic new arrival time, and to tell the company that hired you at the same time, with a number of minutes rather than a vague apology. Do not speed up the package you are in the middle of to make up time, because a missed signature costs the file more than a late arrival does. What matters is what happened before the day started: a signing that runs long only becomes a crisis when the schedule had no slack in it. Confirming the details in advance is how you find out an order is bigger than it looked, which is covered in the guide to the confirmation call.
Block the obligation, not the appointment. If a signing occupies you from four thirty, when you leave, until seven, when the package is in a drop box, then the block on your calendar is four thirty to seven. Most overbooking starts as an honest bookkeeping error: the 5:00 appointment goes on the calendar as a one-hour event, the calendar looks free at 6:15, and a second order gets accepted into time that was already spent. Work an example. Say a package prints in 25 minutes, the drive is 30 each way, the table takes 60, checking takes 10, and a scanback with a drop-off adds 40. Those numbers are an illustration and yours will differ, but they total about three hours and five minutes of a day for a single 60-minute appointment. Three of those is a full day, and the fourth order is the one that makes you late for all of them.
It can show whether you are free, which is the part agencies actually need before they send a request. NotaryBoard reads free/busy from the calendar you already keep: the times you are busy, never the event titles, locations, client names, or anything inside the entries. An agency looking at the board sees an open block or a taken one and nothing else about your day. What it cannot do is decide your capacity for you. If you block only the appointment and not the printing, the drive, and the return, the board will honestly show time you do not have, and the request that arrives will be one you have to turn down or run late to. The calendar is only as good as what you put on it. More on what free/busy does and does not reveal is in the guide to sharing availability without sharing your calendar.