National Abstract is a full service abstract and title company that has been providing services to attorneys, lenders, developers ,real estate agents and buyers and sellers for over 90 years.

Beginning in 1920 National Abstract has been the only title company ever located in Lewis County.

National Abstract serves New York in the following counties; Lewis, Herkimer, Jefferson, Oneida and St. Lawrence counties with a number of products including abstracts, title reports, tax title searches and title insurance.

The Owner/ President, Dennis M. Mastascusa began in the title business in the early eighties and since that time has grown National Abstract‘s reputation for professionalism and excellence with a determined effort to provide fast, reliable and accurate service.

National Abstract is an issuing agent for Old Republic National Title Insurance Company, one of the largest and most financially secure underwriters in the nation. Old Republic has received Standard & Poor’s highest rating being AA, it has been the highest rated title insurance group in the nation. National Abstract is capable of insuring any commercial and residential transaction, regardless of size.


Dennis Mastascusa