Contact Details

Opening Hours

  • Monday09:15am - 05:30pm
  • Tuesday09:15am - 05:30pm
  • Wednesday09:15am - 05:30pm
  • Thursday09:15am - 05:30pm
  • Friday09:15am - 05:00pm

PSRA Licence No : 003734

About this Office

"DNG John O’Brien provides a professional, tailored service from start to finish.

We are highly experienced in the sales, letting and management of residential and commercial property. The company was established in 2006 and since time the company has grown from strength to strength due to its reputation for having substantial local knowledge in property and specialised advisors in the North East region. It is further enhanced with membership of the well-established national property brand Douglas Newman Good Nationwide.

DNG John O’Brien specialises in Residential & Commercial Sales, Residential & Commercial Lettings, Valuations, Agricultural land sales & Panel valuers to lending institutions. Our services include:

Expert advice and experience in the sale of Residential and Commercial Property, both new and second hand.
Marketing and launching new housing developments
Lettings and management of both new and second-hand properties
Valuations to Blue Book standard (TEGoVA)
Planning and Development Advice
Auctioneering advice and experience"

  • Monaghan 

    Castleblayney 

    Ballybay 

    Carrickmacross 

    Annyalla 

    Clontibret 

    Clones

  • "DNG John O'Brien is ideally located on Main Street, Castleblayney which is close to the shores of Lake Muckno the largest lake in the County of Monaghan.  Castleblayney is situated on the N2 (the main Dublin/Derry Road) 66 miles from Dublin and 60 miles from Belfast.

    This area is ideal for family living with public parks and other attractions such as the wooded islands.  Both Black & White Island include forest trails, diverse wildlife, acclaimed angling, and the extensive range of water sports and overlooking it all is Concra Wood Golf & Country Club.

    Castleblayney is steeped in a strong tradition of music, with people like Big Tom and Paddy Cole."