No harm in kicking the tires (if you have the time to study other markets) but in the end value matters, not price.   

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

It sounds like you are in a really good position with this property, and the option of doing nothing is not going to harm you.

Haven't used either in depth myself so no harm checking them out. 

You can try and appeal, as there's no harm or extra cost if you fail to get the number you want. 

Although taking in information from others can be great, it can also be pretty harmful as well.

Here is who I used: Chris from Advanced Wildlife Managementhttps://daytonwildliferemoval.com/Good luck!

Tax will not go up, I may be liable for any harm/damage in the basement, I can rent it quickly.If I go with official way - it'll take lot longer, pricier with big probability of pain in the ***. 

What harm have they suffered? 

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.