The following resources are available on this site:
The "Las Vegas PRESERVATION PRIMER: A Layman's Guide to the Rehabilitation and Maintenance of the Historic House"
"Building Permits", a booklet addressing procedures and reasons for securing building permits and historic design review.
"Design Guidelines for the original six Historic Districts of Las Vegas, New Mexico"
Las Vegas City Zoning Ordinances
There are also maps of Las Vegas' Historic Districts available.