Waumini Housing is an associate of Waumini Sacco formed after the Sacco AGM resolutions. The journey of registration of an investment arm of Waumini Housing Co-operative Society was successfully finalized in 2017 under the Co-operative Societies Act of the Laws of Kenya; The Society boasts of over 1,300 active members with a projection of having about 3000 new members on board in the next financial year