We only manage our own properties and don't illegally rent bedrooms so I have not encountered any corrective measure for this issue but I"m sure he is correct. 

You need to invest in security measures: cameras, 6 outdoor motion lights, better locks, needs new flooring, roof is 30 years old.

So even if the appraiser did use some of the 4 unit buildings to measure against yours the adjustments the appraiser would be required to use would throw the value off too much. 

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He measured the foundation, but the house had overhang square footage that was 400 square feet, roughly 20 feet by 2 feet.

As of this moment, it's at approx 28% full (measured by volume/content).

Bring a tape measurer and take some photos of a kitchen or bathroom, for example.

This measures the annualized return.

I explained that I am taking preventative measures for my tenants and it doesn't damage the roofing etc. 

Somehow I would think recovering property to satisfy a lien would not fall under those big words.Of course if you fully read my original post, I would always advise consulting your attorney, before taking advanced measures like these.I don't think I've ever been to district court to see any of these cases, but have been to JP court many times, and seems like most of the times the JPs are pretty no nonsense.....pretty much looking at the tenant, IF they show up and listens to every excuse under the sun, only to reply...."