At OS Group LLC, we’re more than just chimney guys — we’re your neighbors, proudly serving Pierce, King, and Snohomish Counties. With a deep passion for masonry and home safety, our mission is simple: make your fireplace and chimney safe, clean, and built to last.

We don’t cut corners. We show up on time, do the job right, and leave your space cleaner than we found it. Whether it’s a quick repair or a full fireplace installation, you can count on us for honest pricing, expert craftsmanship, and total transparency.

We treat your home like it’s our own — and that’s our promise.