After searching there are a couple options:
1. Villa de Mafia: A newish villa on the outskirts of the town.It is surrounded by a wall and has a small pool.It is quite big with 2 floors and a basement.However the one of the old gangs used to own it and there was a full on fight when over a bank robbery.The house is in need of a renovation and also it is said that FBI has it wire tapped and bugged.
$600,000
-medium land value
-requires renovation
-rumour of being wire tapped
2. Villa me le country: A old villa just outside the town situated in the countryside.However old it is in a good state and full of security measures.The walls have a copper mesh to interfere with any bugs.The place has a single floor but a secure vault in the basement underground.It is surrounded by a wall and given its in the countryside its ready for expansion.
$1,150,000
-Great security measures
-space to expand
-isolated area, about an hour required to get to city centre
3.'Old house': A very old house situated in the city.It is 3 floors tall with a basement.It has a metal grate wall and the house itself is wooden.It has a biggish back garden and front garden.The house has been ignored by society and allowed to fall apart.
1,550,000
-right inside the city
-forgoten,no one gives a (insert swear word here) about it
-very high land value
-picture the house from 'fight club' but with a fence
After selling your crews houses you now have 1,750,000 dollars.Whatever cash you have left afterwards you can use to upgrade the house or spend it on weapons or anything else.