PZR (The Planning and Zoning Resource Corporation) is the oldest established zoning due diligence company and features zoning information on over 100,000 individual properties. PZR is well positioned to locate historical building documents for your property and has developed contacts within municipalities across all 50 states and in Canada for current research as well. Established in 1994, our only business is providing reliable site zoning analysis and compliance review. Our professional staff will be happy to provide you with a quote for your project.