By sb1482 there cannot be a substantial change in lease terms but requiring notice to introduce animals, requiring keeping public/common areas free of junk, requiring her animal to be leashed in public/common areas, to require instant pet pick up in public/common areas are all reasonable terms, require the animal to not be a nuisance to other tenants (jumping on definitely is a nuisance, but I usually mean this to mean the dog cannot have excessive barking) and would be difficult for tenant to state are substantial change of terms as all those are reasonable requirements. 

How should the security deposit be managed in this transition?

Then deposit EMD for transaction with property owner?

I think this would make sense in the long run for the rental property as it will extend the life of everything it touches like the Sink, faucets, showers, water heater, dishwasher, and Clothes washer while also providing clean drinking water in addition to the reverse osmosis drinking water system I already have installed.The main problem with this hardness level is that we get a major deposit buildup on all of these items, which will eventually clog up the faucets for tenants and lead to rusty shower enclosures that take forever to clean.In addition to this, it looks like we could likely have the salt added every couple of months by the property managers in addition to that it would allow for a quick inspection from them, and then also we would instead bill the cost of the service onto the ledger for the tenants.For reference, it does not look like the landlords in the area have water softeners.Thank you everyone for your input ahead of time.

s advice and submitted an application under our LLC and was approved instantly!

No security deposit either. 

I only have savings accounts for my security deposits.

Input property details and instantly get cash flow projections, ROI, and profit margins.

Any deposit should by held by a third party in escrow.

There are also quit a few orgs that help the tenants with their move in deposit if they do not have funds for the deposit.