"The tenants often don't know the rent hasn't been paid until they get sued," he said.

If there's a fire, the tenants know which way to go.

Many tenants do not know their rights, Ms. Green said.

The agency's 80,000 tenants know the problems first hand.

"I've always let my tenants know who I am and how they can get in touch with me."

"The truth is that not many tenants know much about real estate," he said.

And the tenant usually did not know enough to check.

Many tenants don't know how much water is used in normal living.

In some cases, lack of participation comes from ignorance; the tenant simply doesn't know about the benefit.

The tenants would know I understood justice - at least, from the receiving end.