Professional, Courteous and truly AMAZING! Colm came by my house a few days after contacting him. I needed my walkway and stairs replaced. He put together a fair quote for the work and completed...

Colm and his team came to inspect our chimney. They were very reliable and showed up when they said they would (which is not always the case with contractors). Sent me over the detailed...

This month, I had Colm install a retaining wall in my backyard in West Roxbury. The work was top notch! Extremely pleased with the final result. Afterwards, the yard was left perfectly level and...

I called Costello Masonry because we needed a portion of our foundation re-pointed. It wasn't a large job and, considering it's the middle of summer, I was worried they would be too busy. On the...

Colm and his staff were very good, clean and neat, did a very nice job on replacing the mantle and bricks on my fireplace. Responsive to requests. colm knows his business and charged a fair price....