The Sangguniang Panglungsod (City Council) of Muntinlupa is a legislative body duly organized pursuant to Republic Act 7160, otherwise known as the Local Governmnent Code of 1991, for the enactment of ordinances and the adoption of resolutions for the governance of the City of Muntinlupa. It is composed of the Vice Mayor as Presiding Officer, the regular Sanggunian members (councilors), the President of the City Chapter of the Liga ng mga Barangay, the President of Panglungsod na Pederasyon ng mga Sangguniang Kabataan and one representative from each sectors like the women’s group, workers’ group and any of the following sectors: the urban poor, veterans/retirees, indigenous cultural communities, elderly or disabled/handicapped persons or any other sector as maybe determined by the Sanggunian.

The Sanggunian holds its regular session every Thursday at exactly 2:00 o’clock in the afternoon at the Session Hall, People’s Center Building, City of Muntinlupa or at such place as maybe decided upon in the immediately preceding session.