Established 2013
Utility as an art form.
Founded by two master plumbers, Cardinal was built to provide Northern Virginia with mechanical services that honor the architecture of the home.
Founded by two master plumbers, Cardinal was built to provide Northern Virginia with mechanical services that honor the architecture of the home.
We believe that the systems behind your walls deserve the same consideration as the design of your living room. We work with honesty, dignity, and a level of technical precision that moves the trade forward.
In 2013, Nikolai Matveeva and Danny Fuentes saw a disconnect in the service industry. While plumbing and HVAC are essential to the safety and comfort of a home, the experience of hiring a technician often felt transactional, loud, and opaque.
They envisioned a company where transparency was the baseline. By combining Nikolai’s expertise in marketing and process automation with Danny’s decades of hands-on mastery, they built a service model that prioritizes quality craftsmanship over high-pressure sales.
Today, Cardinal operates across Northern Virginia with a simple mandate: improve lives through honest work. Whether it is a complex HVAC installation or an urgent sewer repair, our approach remains the same—quiet competence and enduring solutions.
"Honesty and dignity are not just words; they are the foundation of every pipe we lay and every system we tune."
— Danny Fuentes, Co-Founder
President & Co-Founder
Master plumber leading innovation and process efficiency.
COO & Co-Founder
Decades of hand-on expertise in sales and technician support.
Plumbing Service Technician
Providing humilty and transparency in every service call.
Operations Manager
Overseeing the logistical precision of our Northern Virginia fleet.
Whether you have a specific inquiry or need immediate technical support, our team is available 24/7.
Service Area: Sterling, Alexandria, Gainesville, Herndon, and surrounding communities.
Speak with a Technician