… based on an ordinance, and that property owners refusal to allow a third party into his "dwelling" to do an inspection when there is no evidence that there is any problem with that specific ordinance coming from this specific property, other than the fact it is located in a "zone" that contributes to the problem?
As I understand the right of a citizen to privacy in his own home, nobody could be, or should be admitted to his dwelling without his willful consent. Any effort of a party to still come inside will be considered illegal for the house, and trespassing on the property. If the act of going in is done on unusual points of entrance or by use of tools, necessarily causing damage to the structure, then that could constitute damage to property and/or forcible entry, with grave consequences under the law. In fact, this prohibition could even extend up to one’s car or boat as defined under the term "his domicile." It is the intention of the Constitution to protect the individual from illegal or unwarranted searches on his person or dwelling and seizures of his property.
However, on specific cases, the domicile of a private citizen may be violated during times of emergencies, if there is a need to extend help to an individual inside, or when there is obvious evidence of a fire in progress, or during calamities. An expressed intention of a party to come into the house may also be made on the strength of a search warrant. But in such a case, so many conditions had to be complied with first. One is when there is "prima facie" evidence that you are harboring a criminal, or the other, if there are dangerous substances inside your dwelling, say, prohibited drugs and explosives, and public safety so demands. But in any of these cases, a court order has to be procured first by the raiding party.
Any intrusion into the dwelling of a private citizen for reasons other than the above-mentioned or the like, will be violative of the rights of an individual to the privacy of his own home. And any law therefore that promotes these actions are not constitutional and should not be enacted in the first place, or if already enacted by some local body, are deemed rescinded and are null and void. If there are questions that should arise from the nature or validity of these laws/orders/promulgation, the matter or issue should be brought to the attention of the Supreme Court.
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DLM, the above is true during normal times in a democratic country. But even in a democracy, when there is Martial Law, civil liberties of individuals are suspended.