Also what about electrical fixes--this condo I am buying is in need of ground faulted outlets, as it was built prior to that being a building code.

Must we assume this 1960's house meets electrical and plumbing codes, no lead paint, etc...?

The infinity pool and deck cost over $1mm to build due to the immense caissons needed to support it, and code changes meant it couldn't be recreated or duplicated.

Another downside is you loose on the advantages, of the Federal Tax Code, by not closing in the name of a LLC.

This list would contain the zip code and corresponding name of the municipality, and a breakdown of the number of SFRs.

Once the NOD is published, third party involvement can be (in several states is) considered predatory and civil codes prohibit "Purchasers of Equity" in such cases.  

The first and most pressing issue is the recent growth of the Airbnb rental market and the subsequent regulation that has been imposed by the city.New York City building code considers any stay less than thirty days (where the leaseholder is not present), "Transient Use", which, in turn, places that unit in the "hotel" category.

You can't just pull that one out and slap a new one in and be done if you want it to be done to California code.

I know new construction must be to code, but what about older buildings? 

Any "design" I get to do in my company is usually so dictated by local and state design codes that they almost take the engineering/creativity out of the equation and you just end up conforming to endless lists of requirements (which can be extremely tedious to learn and keep up with).