- National Association of Counties: Putnam County, NY
- Features contact information for the county elected officials, census facts, demographic data, and information about the population.
- National Register of Historical Places: Putnam County, New York
- Directory of places with historical significance. General information about the architectural style, builder, function, and owner.
- Weichert Real Estate: Putnam County
- New home buyers can find a guide, tools, listings and financing information. Site also offers Putnam County school reports, crime statistics, and more area information.
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