Our Services

Residential & Commercial Plumbing

Installation, repair, and maintenance of water, drainage, and gas systems in homes, apartments, offices, and commercial properties. We ensure code compliance and minimal disruption to your daily routine.

Pipe Installation & Replacement

Work from the “ground up” (underground) to finishes, using materials such as copper, PEX, CPVC, and ProPress. Ideal for upgrading outdated systems or increasing flow capacity in older buildings.

Leak Detection & Repair

We use inspection cameras, acoustic sensors, and pressure tests to locate hidden leaks without demolition. We repair the exact source of the problem, preventing further damage and saving time.

Pipe Cleaning with Jet Drain & Snake

Removal of blockages, roots, or mineral build-up using high-pressure equipment and mechanical tools. Ensures optimal flow and prevents recurring clogs.

Pipe Inspection with Camera

Internal visual diagnostics of drain and waste lines to plan precise repairs and repiping, avoiding guesswork and additional costs.

Water Heater Installation & Maintenance

Services for tank and tankless water heaters, including the H2Air Kit, with inspector approval. We handle transitions, mixing valves, fire-stop, and supports according to ASME standards.

Pump & Pumping System Installation

Installation and connection of sump pumps, sewage ejector pumps, and residual pumps. We coordinate electrical disconnection and reconnection for a seamless service without third parties.

Specialized Valve Installation & Repair

Pressure reducing valves, backflow preventers, check valves, and mixing valves. We replace cartridges, adapters, and corroded seals to maintain safety and compliance.

Welcome to DERAS CONSTRUCTION where every project, no matter how big or small, begins with a rock-solid foundation of expertise and a steadfast commitment to excellence. From our earliest days as a small plumbing outfit, we have built a reputation on doing the job right the first time. Today, we bring that same hands-on knowledge, attention to detail and dedication to customer care to every facet of construction, remodeling and maintenance across Virginia, Maryland, and Washington, D.C.

Our Origins & Mission
What started as a family-run plumbing service has grown into a full-service construction firm deeply rooted in the principles of integrity, quality and craftsmanship. We believe that plumbing isn’t just about pipes and fixtures—it’s the lifeblood of any structure. By mastering the art and science of water management, we laid the groundwork for the larger, more complex projects we tackle today. Our mission is simple: to deliver reliable, code-compliant solutions that stand the test of time and earn the trust of our clients, one job at a time.

Comprehensive Expertise
Over the years, we’ve expanded our capabilities far beyond plumbing. Our portfolio now includes:

Residential Services: From new-build water-line installations to high-end kitchen and bathroom renovations.
Commercial Projects: Office fit-outs, retail build-outs, multi-family apartment complexes and light-industrial plumbing and HVAC support.
Structural Improvements: Framing, drywall, flooring, swimming-pool plumbing, basement and attic conversions—complete turnkey solutions.
Emergency Response: 24/7 leak detection, burst-pipe repair and rapid-response gas-line servicing to minimize downtime and damage.

Technical Excellence & Compliance
At DERAS CONSTRUCTION, we pair traditional craftsmanship with modern technology. Our team uses video-inspection cameras, pressure-testing equipment and advanced leak-detection tools to diagnose problems without unnecessary demolition. Every installation and repair is performed in strict accordance with county and state codes, OSHA safety standards and manufacturer specifications. We source only top-quality materials—copper, PEX, CPVC, ProPress fittings, stainless steel and more—backed by manufacturer warranties and our own industry-leading workmanship guarantee.

Customer-First Approach
Your satisfaction is our greatest reward. From the initial consultation to final inspection, we maintain clear, ongoing communication. You’ll receive detailed written estimates, transparent pricing and a realistic timeline before work begins. Our crews treat your property with the utmost respect, cleaning up thoroughly each day and conducting a full walkthrough upon completion. Many of our clients come to us through referrals—testament to the relationships we build through reliability, responsiveness and honest, fair service.

Scroll down to discover Our Core Services and learn how DERAS CONSTRUCTION can turn your next idea into a well-built reality. Whether you’re planning a small repair or a major renovation, we’re ready to roll up our sleeves and make it happen.