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Would you mind sharing with me the State and City the property is located in?
Thank you. I am sorry to say but there are no rent control laws which limit a landlords ability to raise the rent, once the lease term ends. The only things that controls and prevents it, is raising the rent to an amount which current market conditions do not support. As such, even if there were not improvements, the landlord can raise the rent, in good faith, if he thinks that the current rental value supports it and if you decide to not renew the lease, he will be able to find another tenant to move in and pay what he is asking.
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