[1] As one of the mosques built under the Mosque Building & Mendaki Fund scheme headed by Majlis Ugama Islam Singapura (MUIS),[1][2] it is named after virtuous qualities as a continuation from the first one, that being Masjid Al-Khair (The Good).

So few people came forward to volunteer their services that an advertisement had to be put out in the Berita Harian newspaper.

[1] On 11 June 1999, Masjid Al-Istiqamah was declared as a waqf (an inalienable, charitable property) and was officially accessible to the Muslim members of the public.

[3] On 17 June 2000, Masjid Al-Istiqamah held an opening ceremony which was attended by Mohamad Maidin Packer Mohd, Member of Parliament for Marine Parade Group Representation Constituency.

[1] The three-storeyed mosque[1] with a combination of designs from the Nusantara, Middle East and Mauritius can cater to a maximum of 3,300 worshippers at any one time.