Is zakat obligatory on a residential building, the income of which is spent entirely on its maintenance, with nothing remaining?

Scholars differed regarding the method of Zakat for real estate designated for rent. Some are of the opinion that Zakat is due on the properties themselves, like merchandise for trade. Others believe Zakat is due on the rental income upon its receipt, without the requirement of a full year (hawl) passing. However, the majority of scholars, and this opinion is the most preferred, hold that Zakat is due on the rental income if it reaches the nisab either by itself or when combined with other assets, and a full year has passed over it. Accordingly, there is no Zakat due on the building mentioned in the question at this time.