Short answer: Sometimes — but only for minor cosmetic work. The moment your renovation affects structure, footprint, or utilities, you likely need a permit. Here’s the clear breakdown for Cagayan de Oro homeowners. ✅ Renovations That Usually DO NOT Require a Building Permit These are cosmetic or non-structural works: Repainting interior or exterior Replacing tiles or flooring Changing cabinets Replacing doors (same size opening) Installing new fixtures (without altering plumb