[3] He was a member of the Balangay Apuy of the Katipunan as an aide-de-camp of General Isidoro Torres.

[1] When Malolos fell and was invaded by the Americans during the American occupation in the Philippines, he became the Municipal President of Malolos on November 5, 1907, under the banner of Partido Nacionalista Unionista against Florencio Dalus of Partido Independiente Immediatista.

As governor, he saw the foundation of the National Guard, Bulacan Provincial chapter, an organization in preparation in the event that the Philippines will be involved in World War II, in 1917.

On April 18, 1918, Buendia requested the Governor-General Francis Burton Harrison to appropriate money for the construction of the Bulacan Provincial Hospital to be named after Rev.

However, Imperial Japan invaded the Philippines on December 8 at the onset of World War II, making him unable to serve his term until July 9, 1945.