Got it, appreciate the guidance. Happy mapping!

Nice! Thanks for clarifying. I think I’ll go with the tagging scheme you suggested.

Quick question though, should I remove the addr:housenumber=* tags I’ve already added, or would it be better to retain them and simply include the addr:block=* and addr:lot=* tags alongside?

Noted on this, thank you! I actually followed Yivan000’s diary on mapping subdivisions in the Philippines, link provided below:
@Yivan000/diary/401100

As much as I’d like to fully align with the building tags suggested, the OSM wiki also indicates the use of addr:housenumber=*, reference here:
🔗 http://bit.ly/49w2yAc

Additionally, I tried looking for addr:lot=* in the OSM wiki but only found addr:plot=* being documented. Happy to hear more thoughts on this!