It depends on the size of your lot and if you currently have any detached accessory buildings on your parcel. The Zoning Ordinance allows one primary detached accessory building as follows:
The City’s Zoning Ordinance does not have a specified distance that your driveway must be from your property line. It is always a good idea to discuss your project with your neighbor so that you agree on the actual location of your property line.
If I am going to construct an addition to my home, how large can I make it and how far must it be from the property line?
The answer to both parts of this question depends on the zoning district in which your property is located and how large of a home that you have. The setback requirements and the total area that a lot may be covered by a hard surface varies from zoning district to zoning district. Consult with City Hall about information for your specific situation.