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DNG John O'Brien

   Main Street, Castleblayney, Co. Monaghan
  •    042 974 9933
  •    sales@obriendng.com
  •   PSRA Licence No.  003734  /  003734

About DNG John O'Brien

DNG John O’Brien has been in operation since 2006 owned and operated by John O’Brien. Since this time the company has grown from strength to strength due to its reputation for having substantial local knowledge in the Castleblayney/Monaghan area and its environs which is further enhanced with membership of the well established national property brand Douglas Newman Good Nationwide. DNG Nationwide is the fastest growing franchise network in Ireland having opened over 67 franchise offices throughout the country in the last three years. The company specialises in Residential & Commercial Sales & Lettings, Commercial, Residential & Landlord & Tenant valuations, Agricultural land sales & Panel valuers to lending institutions. The Opening hours are: 9.15 am to 5.30pm Monday to Friday. Closed all Saturday and Sunday, and for lunch from 1 to 2 each day

Our Team Experts


Office Admin 


042 9749933 


Olga Serska 


042 9749933 


John O'Brien 


042 9749933 / 0876594714 


Grainne McGeough 


042 974 9933