Browse the top real estate properties in Greenfield, Wisconsin with Property Profile Report. The average listing price of homes in Greenfield is $299,178, where the economy and housing-markets are flourishing! Get started by selecting a Zip code above. The most popular zip codes in Greenfield, WI are: 53221, 53219, 53220, 53228, 53130 with a median listing price of $299,178.