More info for a Bay Area brother.
I'm currently doing this. It's a long process, start EARLY or you will be infor a bad time.
A private install is the most optimal because a public station may end up costing you in other ways such as power with a % on top. Most companies that install a public charger will also charge crazy electricity rates which nullify your not-using-gas-savings. Too much to talk about regarding this subject.
For a private install, check this bill out:
Bill Text - SB-880 Common interest developments: electric vehicle charging stations. it basically says that the hoa cannot deny you a charging port for dumb reasons. It also says that the hoa must approve the request within 60 days so they cannot string you along.
Some random bullet points:
* Be ready to pay $1000-5000 for this install. Depends on how far your car is from the electricity closet.
* depending on how many units are in your complex, a vote to install public chargers won't pass. There aren't enough people interested in EVs to get a 51% vote. No one would want to pay for it.
* upgrading any common equipment probably won't pass either.
* speak with your hoa president and ask him for his thoughts. He may already have had people approach him about EVs. You want the board on your side. SB 880's 60 day clause is more of a last resort. Legal battles suck.
* get an electrician to come on site to do an evaluation. You can ask solar city, they are doing my condo.
* ask the electrician these things:
** cost to install off my own power. You may need a panel upgrade
** can you install off of common building power? If so how many EVs can it support? Cost of upgrading common panel? And separately meter these ports. For example, lets say that the building can support 10 vehicles without upgrading the panel. You could argue that there is no need to upgrade until we reach max capacity. You may never reach capacity due to no interest in EVs. But if you do reach capacity, then putting the upgrade to a vote has a much better chance of passing.
You're basically getting all the info necessary for the hoa to make a decision. Remember, you want to avoid anything that would cost the other owners money. It wouldn't hurt to ask other owners to see what their thoughts were, just maybe they would be on board. Flasher probably has a better idea of what an upgrade would cost to support 25, 50 or more EVs would be. It'd probably be stupid to install a port for every owner due to costs, but some HOAs would say this is the only way to go.
Anyway, good luck. PM me if you need more detail. I've been dealing with this for 2 months and I'm at the home stretch. If you have a backup plan, you should research that in parallel.