sentences:  In 1937, the gymnasium on Gemeinde-Zimmerer-Platz (square), which also fulfilled the function of a village hall, was built by a building bee organized by the gymnastic club.Building activity begun in the 1960s, which mainly involved the area called “Im Grund”, opened up an extensive expansion by the 1970s, one vaster than the village had hitherto known, in the new building zone called “Auf’m Vogelsheerd”.In 2001, there were 185 houses in Grumbach.