Many people have asked about these things and I finally found a resource.
http://newcastlewyo.com/newc/index.php?option=com_content&task=view&id=23&Itemid=39The City has a Planning Commission and there are Zoning Regulations
Business License NOT Required
No Building Codes, However, builders are strongly urged to follow UBC Guidelines
Lots of other information at this chamber of commerce website too.
http://newcastlewyo.com/newc/index.php?option=com_frontpage&Itemid=1
The site doesn't seem to have a regular update, so these facts would be subject to verification, of course.
