As far as other areas refusing to allow religious Jews in, you do know that that it is against the law.
It is against the law for a realtor to discriminate against certain groups
It is NOT against the law for an individual seller to discriminate and refuse to sell or rent to people (As long as you have less than 3 apartments in a building)
If a realtor brings to a seller a legitimate buyer with a legitimate offer, the seller has the right to refuse for any reason