To be fair, a degree of fuzziness in matching is quite valuable. Is it Eighth Ave, 8th Ave, Eighth Avenue or 8th Avenue? Or W 8th Ave, perhaps? Is that deed for Unit 7 or Apt 7 or #7 or Ste 7? Is the street address 15 8th Ave or 015 8th Ave? In cases where one zip code spans multiple cities, should anyone really be matching on the city? How about communities in a city in which no one is quite sure what goes in the city field? (Is “Pacific Palisades, CA” a valid city+state? How about Van Nuys, CA or Hollywood, CA? But don’t confuse this situation with West Hollywood, CA or Beverly Hills, CA, which are actual cities.)

I wonder what address verification services expect for the “numbers in the address” when the address is 123 1/2 4th Ave #5”.

Apostrophes seem like the least of anyone’s concerns.