Estrella was elected to the
House of Representatives of the Philippines in 1987 and 1992, representing
Pangasinan's sixth district. In the
8th Congress, he ran under the
Kilusang Bagong Lipunan, was one of the youngest elected representative at age 26 It was reported that his first campaign was funded by
Ferdinand Marcos. In the
9th Congress, he was the vice-chairman of the House Committees on
Accounts and
Tourism. Estrella ultimately withdrew from the race and was later appointed to the
Manila Economic and Cultural Office where he served as one of its directors from 1995 to 1998. During the
Estrada presidency, he became the administrator of the
National Electrification Administration. In August 2015, the
National Bureau of Investigation charged Estrella and his brother with malversation, direct bribery, and other graft and corrupt practices before the
Ombudsman. That same year, he was served numerous notices of disallowances from the
Commission on Audit with regards to the use of his
Priority Development Assistance Fund to implement livelihood projects worth
₱64million in Pangasinan coursed through questionable
non-governmental organizations. He was later excluded from liability by the commission in 2018 due to a court decision which declared his signatures in the documents facilitating the transactions to be forgeries. On July 10, 2020, he was one of the 70 representatives who voted to reject the
franchise renewal of ABS-CBN. == Secretary of agrarian reform (since 2022) ==