It is important to consider all the options when determining the time it takes to demolish a building. The longest time it takes to complete a mechanical demolition is when a building is taken down by hand. However, it is a cost-effective option for smaller buildings. Depending on the building's size, manual demolition can take up to a week. For larger buildings, selective demolition can take several weeks or days. Demolition of a building in a residential area will usually take between two and five days. If the house is vacant, it may take up to six months. The demolition process can sometimes be completed in one day in some cases. However, it might take longer if the property lies in an urban area. In these cases, detailed plans will be required and a site inspection. Regardless of whether the property is residential or commercial, the demolition process can be a lengthy, painstaking process. It must be approved first by local government agencies before demolition can begin. While the process is different from region to region, it will usually start with a demolition permit. In most areas, you may obtain a demolition permit from the city planning office. In other areas, you will have to submit plans for full review and on-site inspection. The demolition process can take up to several months, depending on the property's size. Once you have started the demolition process, you will need to obtain the approval of the local government. This will vary depending on the project's size, but it is always recommended to contact your local government to obtain a permit. Depending on the size of the property and its location, the process could take between two and five days. You can start the process by checking with your city planning office. Approval from local agencies is required for the demolition of a building. If you intend to demolish an old building, please seek permission from the planning office of your city and other relevant government agencies. It can take several working days to get demolition approval depending on the property's size and complexity. But before you can begin the demolition, you must get the necessary approvals. You must contact your local planning office to obtain a demolition permit. A small demolition project usually takes less than one working day. A large demolition will require detailed plans and inspections on-site. Therefore, it is important to obtain approval before the demolition. The demolition process is a complex one, but it is not impossible. It is a lengthy process with many pitfalls. Before demolition can start, a local agency must approve the construction of the new structure. Depending on the type of structure, the demolition process will be different in each region. A small building may be approved by the city planning officer. For large buildings, the plans need to be submitted at the city planning department. A large building may also need an on-site inspection. Once the demolition permits have been obtained the next step will be to obtain the demolition license. The homeowner should check with the local government to determine if multiple permits are required for their project. Some municipalities require multiple permits and inspections. They may also need to close water and sewer lines. Some permits may also require materials to be disposed of. Demolition permits generally cost between $50 and $100, but prices can vary by region. Before a homeowner can start a demolition project, they must first apply at the demolition permits office. This process is different for each region. Typically, it takes around two weeks. Los Angeles homeowners should check with the local government for information about permits required. The city must approve demolition. A demolition permit is vital. A permit costs about half a million dollars if you are a homeowner.