Lagos state was created on 27 May, 1967 and had been governed by Military Governors/Administrators, who fused the Executive and Legislative power of government. This system of administration remained unchanged until 1 October, 1979 when the state had its first taste of democracy and democratic governance during the Second Republic.

The First Assembly of Lagos state was inaugurated on Tuesday, 2 October, 1979 with the election of Hon. Oladosu Oshinowo (Ikorodu II), a legal practitioner as the first Speaker, while Altair Bola Kotun served as the clerk of the House.

The Assembly had thirty-six (36) members and operated from a temporary site at Nos 1-2, Oduduwa Street, GRA, Ikeja, Lagos, before its movement to the permanent site at the Assembly Complex, Alausa, Ikeja in 1980. The Assembly ran its full course of four–year term from1979 to 1983.

The thirty- six (36) Member Second Assembly was inaugurated on 2nd October, 1983 and elected Hon. Oladimeji Longe (Itire-Ikate), also a lawyer as Speaker, while Alhaji Bola Kotun remained as the Clerk of the House. The Assembly was barely three months old when it was truncated by the coup d’etat of 31 December, 1983. The military remained in power for nine (9) years and Lagos State was ruled by Military Administrators.

In 1990, the then Military President, General Ibrahim Babangida (Rtd) began a transition Programme to civil rule, culminating in the inauguration of the thirty (30) Member Third Assembly in January 1992. Hon. (Alhaji) Shakirudeen Abayomi Kinyomi (Ojo1), an Engineer emerged as the Honorable Speaker, while Alhaji R.B Tinubu served as Clerk of the House. However the Third Assembly was again truncated by the Military Coup of 17 November, 1993.

The Fourth Assembly was inaugurated on 2 June, 1999. Hon. Dr. Adeleke Olorunnimbe Mamora (Kosofe1), a Medical Practitioner was elected as the Speaker. The House in the Fourth Assembly was made up of Forty (40) Members. The Clerk of the Assembly at inception was Alhaji L.A. Gbadamosi, mni, and was succeeded in February, 2001 by Mr. R.O. Jaiyesinmi. The Fourth Assembly ran its full course of four years from June, 1999 to May, 2003.

The Fifth (5th) was inaugurated on 2 June, 2003, with Forty (40) Members. Hon. Jokotola Pelumi (Epe11) a lawyer, was elected as Speaker but was later impeached. His counterpart from (EpeI), Hon Adeyemi Ikuforiji, a seasoned lecturer and educator, was elected as Speaker. the present Speaker of the House.

The current Assembly which is the sixth (6) was inaugurated on 4 June, 2007 with Hon Adeyemi Ikuforiji (Epe1) returned as the Speaker. The other Principal Officers in the House include:

I. Hon. (Mrs.) A. Tejuoso (Mushin I) – Deputy Speaker.
II. Hon. Kolawole T.M. (Ajeromi Ifelodun I) – Majority Leader.
III. Hon. Avoseh H.S. (Badagry II) – Minority Leader
IV. Hon.Dr. Adeyeye A. (Kosofe II) – Deputy Majority Leader;
V. Hon. Dr. A. M. Balogun (Surulere II) – Chief Whip; and
VI. Hon. Mrs. Akande L.F. (Ikeja II) – Deputy Chief Whip.

The Forty (40) Member House is made up of two (2) Members from each of the twenty (20) Local Government Areas of the State. Thirty-Seven (37) of the Members belong to the Action Congress (AC) party and three (3) are from the Peoples Democratic Party (PDP).