At Chief Cornerstone we specialize in general renovations(finishing basements) painting, custom decks, interior flooring (tile, hardwood and laminate), customized greenhouses and much more. Call us today in North York for your FREE estimate.

We specialize in customizing mould-free and fireproof basements. Our award winning engineer and interior designers can also "bring to life" your renovation design on screen, do not guess what your basement will look like! Free estimates. We are the renovation experts.