Even with a very good description of the process and the list of documents, it is advisable to contact the local building department. Have someone there talk you through the process. Also ask them about the amount of time required for the review process. This opens a positive relationship with the Building Department that will help if any problems develop in the future. You may have to submit your request for a building permit over email. [2] X Expert Source Josh GoldenbergResidential Remodeling Expert Expert Interview. 25 January 2022.

In almost all cases, basic cosmetic work does require a permit or city approval beforehand. [3] X Research source Replacing old faucets or countertops in your bathroom, for example, can be managed without a building permit. [4] X Research source

For example, within buildings more than 75 years old you may find an electrical system that is now regarded as dangerous. A renovation of part of that building may trigger a requirement to update the entire electrical system.

As with “normal” houses, owners who are simply making an electrical, water heater, or other cosmetic fix may not need to obtain a building permit for their renovations. It’s best, however, to check with the city beforehand. “Historic integrity” may need to be maintained with homes in designated historic preservation districts. This means that it needs to look reasonably like what it looked like originally. If you plan on adding roofing, windows, siding, or exterior remodel or a historic house, consult with the city about what’s expected.

All deviations from the approved documents must be reported to the Building Department. The deviation must be approved by them and there is likely to be an extra fee for them to review that work.