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About Us

In 2004 the Castorena’s ventured their successful family business from California to Fort Collins, Colorado, where Castorena Marble & Granite was started. They worked hard to build a reputation for providing the highest level of quality craftsmanship. Today, we are still focused on growth and craftsmanship with Isidro Castorena and his daughter, Maria, at the helm.



Castorena Marble & Granite’s management team has over 35 years of combined experience fabricating and installing granite, marble, and quartz for residential homes and commercial properties. Today, the business is still family owned and operated and busier than ever providing Northern Colorado, Wyoming, and Nebraska homes and businesses with the highest quality custom countertops, fireplaces, and so much more.

Castorena's Granite & Quartz focuses on excellence.

Often when hiring contractors, you may wonder if you’ll get the most experienced technician on staff or the guy that was just hired that morning. With Castorena’s Granite & Quartz, you don’t have to worry. One of the owners,  Isidro or Dustin, handles every granite countertop or marble project. That’s how we’ve been serving Fort Collins and Northern Colorado with the highest level of granite quality for 20 years!


Quicker Turnaround Time

While many stonework companies take 8-10 weeks, we work hard to provide a quick turnaround time so you can begin enjoying your countertops sooner. Call us today for the current lead time and to receive an time frame estimate. 

Customer Education

All customers are given a complete rundown of how the job will unfold.  Curious about the process? Review our Template & Installation Check List.

Company Vehicles

Rest assured, our technicians are easily identifiable in marked company vehicles.

Unmatched Custom Work

We specialize in the highest quality custom stone work, including granite, marble, and quartz countertops, beautiful fireplaces, full showers, tub surrounds and steamrooms!