IMB
Also called: izin mendirikan bangunan, PBG
Building permit; now replaced by building approval in many regions.
What it means
IMB is the building permit issued by the regional government before or during building, altering, or renovating a building. Currently some regions use the term PBG, namely persetujuan bangunan gedung (building approval), as a replacement within the building regulation framework. This permit ensures the building complies with spatial planning, function, and technical requirements. The document is useful when handling utilities, business, or property transactions.
Why it matters for families
The absence of a building permit can make it difficult for the family when applying for credit, arranging insurance, or selling a house. A building that does not comply with the permit also risks enforcement action or disputes with neighbors. Knowing the permit status before buying a house prevents administrative surprises later on.
Example
For example, a family buys a used house and plans to add a floor. Before starting, check the existing building permit and apply for changes according to regional regulations. The renovation budget should include the cost of handling the permit, not just materials and labor.
Common misunderstanding
Some people think IMB is only needed for commercial buildings. The correction: residential houses also require a building permit according to regional regulations, especially if there is a change in function or form.