While the series has moved across different platforms over the years, these sites are currently the most popular for Tagalog-dubbed content:
For years, this was the Holy Grail for Tagalog anime. They had a dedicated Detective Conan section with over 100 dubbed episodes. However, the site has been up and down. Check if their "Conan" folder is still active. The quality is usually DVD-rip from the original TV broadcast. detective conan tagalog site
Because the official supply is low, the demand for a has pushed many fans toward "alternative" platforms. While the series has moved across different platforms