Exceeding Expectations

Masonry Services in Longmont, CO

We are Northern Colorado’s go-to outdoor living contractor, offering residential and commercial masonry services to transform your outdoor space.

Our Stone


Flagstone with varied shades of red and burgundy.


Choose from our wide selection of Belgard Pavers.

Stone Vaneer

Environmental StoneWorks stone and brick veneers.


Durable clay brick provided by General Shale.

Our Projects

Browse our portfolio of completed hardscaping projects and discover how we can bring your vision to life!

Maintenance & Service

While our stones are extremely durable, outdoor elements and frequent use can still take a toll on them. We offer maintenance services to keep your stone looking its best.

  • Pressure washing
  • Water management
  • Paver sealing

“Very professional, fast, and friendly service. Frontier Stone did a great job installing my new stone fire pit. I recommend them to anyone needing hardscaping services in Colorado!”

“You can tell they only use high-quality materials. I hired them to build an outdoor kitchen and I couldn’t be happier with the results!”

“My stone patio looks amazing thanks to Frontier Stone! It was a big project and they went above and beyond my expectations!”

“Frontier Stone built me a BEAUTIFUL outdoor fireplace, not to mention it also works flawlessly. I would hire them again in a heartbeat.”