On January 30, 2004, president
Gloria Macapagal Arroyo announced the appointment of Ynares as general manager of the
Laguna Lake Development Authority, with him taking office by February 2. He remained head of the agency through 2007.
Governor of Rizal (2007–2013) On April 17, 2007, Ynares substituted for his father Yto Ynares as candidate for
governor of
Rizal, later winning the election. He won reelection in 2010.
Mayor of Antipolo (2013–2019; 2022–present) Ynares won as mayor of
Antipolo, Rizal in 2013, defeating incumbent mayor Nilo Leyble. He later won reelection in 2016, defeating vice mayor Ronaldo Leyva. On January 30, 2024, he signed a memorandum of usufruct agreement to allow the construction of a
DSWD Satellite Office for
Calabarzon in the city. He said that the office would make the programs and services of the
DSWD more accessible not just to
Antipolo residents, but also to the people of
Rizal and nearby towns of
Laguna. He added that the office would also have a warehouse that would store readily available food and non-food packs that could be deployed during calamities and crises. The said office will serve as an extension arm of the
DSWD Region IV-A. ==Personal life==