How many letters does the top answer for “one whose business is to build houses; a housewright.” have?

The most common answer is housebuilder (12 letters).

Crossword clue: one whose business is to build houses; a housewright.

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

housebuilder 12 letters web-def

someone who builds houses as a business

someone who builds houses as a business 50% similar → homebuilder, housebuilder