Yes, the name of a street is always a proper noun and should always be capitalized.
Street itself is a noun.
The word street is a common noun. It is a proper noun only when it names a specific street such as Main Street or the name of something or someone like Farley's Street Market or Della Street.
The word street is a singular, common noun. The word becomes a proper noun when used for a specific street, such as Main Street.
Yes
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