It is not even close to legal to not rent to you due to your disability. Federal law specifically makes it illegal to discriminate against someone in housing due to their disability; you could file a legal complaint with HUD about this.It would be different if your SSI were insufficient to cover the rent: a landlord may refuse to rent due to a tenant's financial unsuitability. But if you have (and can prove) enough funds to cover the rent, the landlord may not reuse to rent to you.