Sure you had a city permit for everything along with inspections and rules to follow but so long as you did you could make a ton of money.  

So on the low end a $1.5M lot plus a 3,000 sq ft home x $300= $2.4M not including furniture and with permitting to build completetion running most builders 12 to 15 months. 

The City of San Jose has on their website that new addresses are required but separate meters are optional (link below).https://snapadu.com/blog/electric-panels-upgrades-power-sources-adu/https://cao-94612.s3.amazonaws.com/documents/City-of-Oakland.PGE-Joint-Information-Bulletin-METERS-FINAL.pdfhttps://www.sanjoseca.gov/business/development-services-permit-center/accessory-dwelling-units-adus/adu-faqs

I'd be happy to provide some unbiased feedback PMs our customers are working with in Michigan.  

It states that both commercial and multifamily uses are permitted.

In some markets the permit process to convert/create addition living areas for income is rather expensive.

We are ready finalize the plans & start permitting. 

We currently use Podio, but we hired a developer to customize it further, tailoring it more closely to our systems and processes.If you are just starting out, you could use the basic Podio template and continue customizing it over time.

I believe that would include permitting USPS to forward the letter.As already stated, if you can't reach them with your letter, then you won't be able to serve them a summons for a court hearing.Chalk it up as a loss and move on.

Rather than finding the right deal, is doing a custom build something worth considering at all?