A J Dauphin & Son Wilmington DE

Business Overview

A J Dauphin & Son Wilmington DE is a locally owned plumbing contractor serving Wilmington and surrounding communities. The company handles residential and light commercial work, with staff trained to work on older homes and custom plumbing systems. Emergency service is available; technicians respond to urgent leaks, burst pipes, and water heater failures. Regular hours are weekday mornings through late afternoon, and the team is reachable for off-hour emergencies.

Key Services

The company focuses on practical plumbing work and water systems. Main services include:

• Plumbing inspection — thorough home and commercial inspections to spot leaks, corrosion, and code issues.
• On-demand (tankless) water heater installation and service for steady hot water without pressure loss.
• Hot water heating system updates and repairs using modern technology.
• Water treatment: whole house filtration, reverse osmosis, carbon filters, water softeners, and acid neutralizers.
• Repair and restoration work on custom plumbing created by earlier craftsmen in Wilmington's older houses.

Areas Served

Technicians travel across the Brandywine Valley and nearby communities. Service area includes Wilmington DE, Newark DE, Elsmere DE, New Castle DE, New Garden PA, London Grove PA, East Marlborough PA, Chadds Ford PA, Pennsville NJ, and Carneys Point NJ.

Company History

Founded in 1939, the company carries one of the oldest plumbing licenses in the state (License #1). Over generations, the business evolved from a small neighborhood shop to a firm known for working on the area's distinctive older homes. The team kept traditional skills while adopting modern systems like tankless heaters and advanced water treatment.

Leadership

Leadership is rooted in local experience. The owner and senior technicians grew up in the Wilmington area and maintain hands-on roles in daily operations. They participate in local trade groups and maintain licenses required by Delaware and neighboring states. The company emphasizes on-site mentorship so each technician learns both older techniques and current plumbing codes.

Specialties & Highlights

• First registered plumbers in the First State (License #1) with decades of local experience.
• Expertise with older, custom-built homes common in Wilmington and the Brandywine region.
• Certified in modern on-demand water heaters for steady hot water without pressure loss.
• Full water treatment capability: reverse osmosis, whole house filtration, softeners, and neutralizers.

Why Locals Choose A J Dauphin & Son

Homeowners and small business owners pick this company for steady, practical work. The team knows local housing stock and weather patterns — humid summers and cold winters can stress pipes — and they plan repairs with that climate in mind. Service is straightforward, with clear inspections, documented findings, and technicians who respect older craftsmanship when repairs are made.

For plumbing inspections, water system upgrades, or urgent repairs, A J Dauphin & Son Wilmington DE provides a local option grounded in long experience and steady workmanship.