Have an hvac guy come clean/certify the hvac system.And then really its about seeing what needs to be updated from a cosmetic and/or functional sense.i.e.

Then, you can't really even narrow by region because there is no radius function (e.g., you have to guess which of the 500+ zipcodes in the Bay Area they are in, or if you narrow to "San Francisco," other local cities like Oakland or Palo Alto won't come up).

Most of the time you also have a friend or friend of a friend, or the tenant has someone that helps them translate and function in these types of situations 

Basically get rid of any functional issues.  

From the mass.gov site, While pumping frequency is a function of use, MassDEP recommends that systems be pumped at least once every three years for homes not having a garbage disposal.

Biggerpockets search function - Use the search function to see if someone already in your area requested a CPA.

Would it be possible to create a space like this that appears like it's a pantry but functions as your washer/dryer area?

Biggerpockets search function - Use the search function to see if a BP colleague requested a CPA in your area.

IF you're working a full time job will you be able to perform all the functions necessary to show and sell it? 

If it wasn't functioning properly, that would be a different story.