Plumbers in Mayo: Local, RGI-Registered, From Castlebar to Louisburgh

Browse the directory on this page and narrow it to your own town or area, then contact a local plumber directly by phone or email. There are 33 plumbers listed across Co. Mayo, covering Castlebar and the surrounding towns. For any gas work, choose an RGI-registered gas installer and confirm the registration number before the job starts.

As a rough 2026 guide, plumbers in Mayo charge €60 to €100 per hour for standard call-outs, €80 to €150 for emergencies, €2,200 to €3,200 for a new combi boiler installed, and €4,500 to €9,000 for a full bathroom fit-out. Get written quotes from two or three local plumbers before committing to significant work.

For gas boiler installation and any notifiable gas work in Mayo, you are legally required to use an RGI (Registered Gas Installer) contractor. For general plumbing such as burst pipes, leaks, bathroom fitting and central heating, RGI registration is not a legal requirement, but it is a strong indicator of a professional plumber.

Castlebar and Ballina are the main service hubs for the county plumbing trade. Westport has a strong local market. For Belmullet, Erris and the more remote parts of north Mayo, contractors may travel from Ballina or Castlebar, and advance booking for non-emergency work is advised. For non-emergency planned work, most contractors in Mayo book one to two weeks ahead. For genuine emergencies like burst pipes or no heating in winter, same-day response is generally available from the main urban centres in the county.

Most homes in Co. Mayo are on oil-fired heating, making it one of the strongest counties for SEAI heat pump conversion. The One Stop Shop scheme pays up to €12,500 towards a qualifying heat pump, covering the unit, the heating upgrades it needs and a BER assessment. Homes built before 2011 heated by oil or solid fuel are typically eligible. Applications are made through the SEAI website and require a registered contractor to carry out the works.

Mayo has very soft water from its mountain catchments, with extremely low mineral content in the west of the county. This soft water is gentle on appliances but can be aggressive to copper and mild steel, requiring appropriate corrosion inhibitors in all heating systems. North-west Mayo faces the full force of Atlantic weather and is consistently one of the windiest parts of Ireland. Properties on the Mullet Peninsula and along the Erris coast require particularly robust outdoor pipe protection and weatherproofed boiler flue installations. Together these mean the most common call-outs in Mayo are burst or frozen pipes in cold weather, boiler scale and efficiency loss, blocked drains, and low water pressure in older homes.

For any job over €500, yes. Two or three quotes in Mayo give you a realistic picture of the going rate and help spot outliers, both suspiciously cheap quotes and overpriced ones. For emergency repairs, still ask for the call-out fee and hourly rate before the plumber arrives.

Most plumbers in Mayo charge a call-out fee of €80 to €150, which covers travel and the first 30 to 60 minutes of labour, and applies even if the job turns out to be minor. Always ask about the fee before the plumber comes out, and get it in writing if the total is likely to exceed €300.