Any agreements or solution other than cutting usage which doesn't seem to be happening fast enough by all stakeholders, would take years if not decades to get approved, funded, permitted, constructed, etc (i.e. desalination, piping water in from elsewhere, etc), and there's no solution even on the table other than wishful thinking. 

- Keep it all under the hood and dont permit things?

interior remodels in SF can be done with over the counter permits. 

We would like to get a demo permit search going before option period just so we can be sure there aren't any restrictions and move as quickly as possible if not, but the owner is very reluctant to sign this permit.  

I bet even if the city couldent commit money to this, if done in the right area the city would be willing to provide some more police patrols and possibly some help in the obtaining of permits.

Here you need a permit (6k) which your neighbors get to weigh in on and you have to pay the hotel tax (9% I think).

City permits needed to be pulled on all of the extra work we needed to do.From torrential rain and flooding delays to the city permit delays.

I have been pulling my own permits and running the subs.

@Timothy Wilkins costs are very relative depending on site conditions, type of construction, utilities, permits, tap fees etc. best thing is to talk to some GCs that build that type of product.

The importance of a good team, permits, the process involved, Some tricks of the trade, and mush more.