What are the legal grounds for eviction in most areas?
Non-payment of rent
The landlord must inform the tenant in writing that full rent is due by a specific deadline or the lease will be terminated.
If the landlord refuses to take full payment and the tenant can prove it, the eviction can be challenged in court. After the deadline, the landlord doesn't have to accept payment.
Other tenant violations
The landlord must inform the tenant in writing of the supposed violation. The tenant must have ample time to correct the problem. If the tenant does nothing to correct it, the landlord may evict.
Lease has expired
If the landlord doesn't extend an expired lease and the tenant refuses to leave, the landlord may evict. The tenant must be given written notice.
When a tenant rents month to month without a lease, a landlord needs only to give written notice (usually 30 days) to terminate the lease. If the tenant does not leave at the end of that time, the landlord can evict.