Yes, if the housing area decreases, the house price will decrease, and the maintenance fund and deed tax will also decrease. Maintenance fund and deed tax are paid as follows:

1. The deed tax shall be paid according to the area and whether the buyer purchases the house for the first time: within 90 square meters 1%, within 90 square meters ~ 144 square meters/0.5%, and over 144 square meters or 3% for the first time;

2. The maintenance fund shall be paid to the commercial bank in the area where the property is designated by the real estate department according to the proportion of about 2% of the total house price.