The home didn't have working electrical or plumbing.

He did his best to soundproof between floors: actually did a ton of work with double layers of sheet rock, tons of insulation and even added a drop ceiling but the problem is that soundproofing is only as good as the weakest point so even if there’s one area you can’t get to with insulation, or a hole for electrical wires, plumbing, mouse hole etc the sound will come right through that weak spot.

and now want to leave..).3) if a tenant was a victim of domestic violence within the past 3 - 6 months.4) if Landlord has not maintained the premises in a fit habitable manner (we are so far from that, so much we've spent time or attending their concerns, improving the property and repairing and replacing whatever broke, still wondering if it was a result of tenant's neglect.5) if Landlord has breached the rental contractSince none of these scenarios apply to us and our tenants, they do not have sufficient reason to break the lease and not incur penalties, but to leave us with damages to mitigate. https://www.moving.com/tips/4-potential-consequences-of-breaking-a-leaseIllinois State Bar Association states that written leases prohibit the tenant from subletting the premises, and such prohibition IS enforceable by the law.It also states that the security deposit is money deemed as a security for any damages to the premises or non-payment of rent, and is to be returned to a tenant if no damage has been done beyond normal wear and tear.Illinois Attorney General also states the security deposit is to be returned within 45 days after move out date, if: building/complex consists of 5 or more units, tenant does not owe any back rent, and cleaned the premises themselves before they moved.

Some light plumbing work was needed as well as pouring concrete in the backyard to slope the water away from the foundation.

I never had problems with the plumbing.

For example, keep plumbing and electrical in the same place and replace flooring, cabinets, countertops, fixtures and appliances?

I’m looking for a Town of Poughkeepsie, NY licensed plumber to install an entirely new plumbing system (tankless water heater, kitchen, laundry & bath plumbing and waste), as well as a soon to be installed gas line (Utility Co running it to the premise) in a single-family flip. 

Budget for doing plumbing repairs unless ALL the plumbing was redone at some point in the recent-ish past.

My guess is that there might be some plumbing leak underneath however not sure yet. 

My guess is that there might be some plumbing leak underneath however not sure yet.