Plumbing & electrical.

The systems behind the walls, handled

From service cable and meter can upgrades to underground gas and plumbing lines, CS1’s licensed trades keep buildings running — on the same schedule and to the same documented standard as everything else we build. Our crew isn’t just skilled; we’re synced.

Deferred plumbing and electrical work has a way of choosing its own schedule — usually a burst line on a holiday weekend or a failed inspection the week before a sale. Bringing these systems up to code on your schedule instead is dramatically cheaper, and because CS1 runs its own licensed trades, mechanical work lands on the same coordinated calendar as every other scope on the property.

Our plumbing & electrical services

• Electrical upgrades. Service cable, meter cans, panels and fixtures — brought up to code and up to load.
• Underground utilities. Gas and plumbing lines located, trenched, installed and inspected.
• Water heater installation. Tank and tankless replacements, sized to the property.
• Leak detection & repair. Found fast, fixed right — before water damage compounds the bill.
• Code-compliance corrections. Inspection findings and violation notices cleared, with documentation.

Every scope is permitted, inspected and documented. Licensed and insured in eight states.

Licensed trades across Maryland, Virginia & Washington, D.C.

CS1’s plumbing and electrical crews serve properties throughout the Mid-Atlantic, including Baltimore, Silver Spring, Rockville and Temple Hills in Maryland; Alexandria, Fairfax, Falls Church, Annandale, Springfield and Herndon in Virginia; and every quadrant of Washington, D.C. Every jurisdiction has its own permitting and inspection regime; our teams pull the permits, schedule the inspections and hand you the documentation.

Frequently asked questions

Are your plumbers and electricians licensed?
Yes. Every scope is performed by licensed trades, permitted, inspected and documented. CS1 is licensed and insured in eight states.

Do you handle underground utilities?
Yes — gas and plumbing lines are located, trenched, installed and inspected, including service to new structures and replacement of failing lines.

Can you clear code violations?
Yes. We correct inspection findings and violation notices and provide the documentation you need to close them out with the jurisdiction.