For typical residential homes in CDO , you should budget in two layers : 1) Building permit fee (LGU “building permit” line item) A common rule-of-thumb range used locally is about ₱23–₱28 per sqm  for up to 2-storey residential  (the “building permit fee” itself, not the full permit package). 2) Total government permit costs (the real budget) In practice, homeowners pay a bundle of government fees  (building + electrical + sanitary/plumbing + clearances, etc.). A widely used