I don't think we can have any definitive solution here. People will
interact with the LGU of their preference or practicality despite what
boundaries on paper or laws state.
Long-time OSM mapper Rally have plenty of stories regarding people choosing
Taytay vs. Cainta.
My personal preference is
In light of previous incidents where there have been attempts to shoehorn
some land developments (usually subdivisions or planned developments) into
one LGU (usually a city or municipality, or a barangay) where legally it
straddles two or more, e.g. the CCP Complex between Manila and Pasay, The