Contribution to building a Masjid: Is this considered Sadaqah al-Jaariyah ?

Question 23: If a person donated a sum of money on behalf of himself and his family as a contribution with some people for building a Masjid (mosque), is this to be considered a Sadaqah Jaariyah (ongoing charity) for every one of them?

Answer:  Spending money on building a Masjid or participating in building it comes under Sadaqah Jaariyah whose reward will be deserved by its doer or by whoever it is done on behalf of, provided that there is a sincere intention and that this money is earned more here.