In short $12
It may seem obvious to state, but not all Sofrim provide the same quality of work and give the Mezuzahs the same level of attentions. Some do a quicker job just the bare minimum. while others hold the Mezuzahs to a higher standard to ensure its Kosher status.
For this reason alone it is important to realize that when looking for a Sofer to check your Mezuzahs you must shop for their reputation of quality work not their price.
Being that a Sofer is being paid for their time. The cheaper the checking is more often then not an indication of a lower level of inspection, as less time is spent on each Mezuzah or someone less qualified is doing the checking, hence less cost.
I have seen unfortunately in many a Sofer Stam employing young students who are only just beginning to learn Safrus to do the checking even before they have received their Kabolah. or just eyeballing the Mezuzahs in short minute or two. (a physical impossibility) to ensure its Kosher status.
At the Sofer Center we spend 12-15 minutes per Mezuzah when checking, (not including time for rolling and putting back in the case.)
We are not ok with your Mezuzahs just barley "passing" examination and we are highly qualified and certified.
When we check we are looking for;
In most cases we can accommodate same day checking but depending on our availability it is best to call and schedule ahead of time.
Rabbi Kass was ordained by Rabbi Yisrael Meir Lau, former Ashkenazik Chief Rabbi of Israel. He is certified as a Sofer for both Kesivah and Hagoah by one of the leading experts in Safrus, Rabbi Avrohom Tzvi Vosner, Rav of the Vad Mishmeres Sta”m.