The vacancy rate for the municipality, , was 0%. , the construction rate of new housing units was 3.3 new units per 1000 residents. there were 455 apartments in the municipality. The most common apartment size was the 6 room apartment of which there were 118. There were 9 single room apartments and 118 apartments with six or more rooms. the average price to rent an average apartment in Hefenhofen was 1097.16 Swiss francs (CHF) per month (US$880, £490, €700 approx. exchange rate from 2000). The average rate for a one-room apartment was 436.67 CHF (US$350, £200, €280), a two-room apartment was about 670.94 CHF (US$540, £300, €430), a three-room apartment was about 944.48 CHF (US$760, £430, €600) and a six or more room apartment cost an average of 1373.75 CHF (US$1100, £620, €880). The average apartment price in Hefenhofen was 98.3% of the national average of 1116 CHF.