Lennon John Plumbing & Heating in Denville, NJ

Business Overview

Lennon John Plumbing & Heating in Denville, NJ provides plumbing services across Morris County with a practical, local approach. The company offers 24/7 emergency service for burst pipes, major leaks, and other urgent plumbing problems. A small crew of licensed plumbers and trained technicians handles both residential and light commercial work.

Work is typical for older North Jersey homes — winters bring frozen pipe risks and summers can mean heavy storm runoff. The team responds to jobs ranging from one-hour inspections to full bathroom plumbing jobs.

Key Services

Primary services focus on reliable, on-site plumbing work and clear reporting.

• Plumbing inspection — visual and camera inspections, pre-purchase checks, and follow-up reports.
• Leak and pipe repair — repairs on copper, PVC, PEX, and older cast-iron lines.
• Drain cleaning and sewer line assessment — from routine snaking to video diagnosis.
• Water heater service — repair, maintenance, and replacement for tank and tankless units.
• Fixture installation — sinks, toilets, faucets, and kitchen plumbing updates.

Areas Served

Services are available across a mix of suburbs, small towns, and lake communities:

• Parsippany, Parsippany-Troy Hills
• Randolph, Roxbury, Morris
• Jefferson, Hanover, Hopatcong
• Kinnelon, White Meadow Lake, Rockaway
• Harding and Denville (home base)

Company History

Lennon John Plumbing & Heating began as a single-truck operation serving Denville and nearby towns. Over the years the business expanded its service area while keeping a neighborhood focus. The company added camera inspection tools and modern leak detection to serve both older colonials and newer developments.

Growth came from repeat work and word-of-mouth across commuter towns where older plumbing meets modern lifestyles. The business keeps scheduling flexible to fit local homeowners and small businesses around commute times and school schedules.

Leadership

The founder, Lennon John, trained as a plumber in New Jersey and has worked on local systems for more than two decades. He is present on many service calls and handles customer estimates personally. The owner participates in trade meetings and supports local youth sports programs.

Technicians are licensed and undergo continuing education on codes and safety. That local presence helps with permit-level jobs and with building relationships at the municipal level.

Specialties & Highlights

• Focused plumbing inspections with written reports for buyers and sellers.
• After-hours emergency response for freezes, floods, and major leaks.
• Experience with older Morris County homes and modern condo plumbing.
• On-site assessments using video sewer inspection tools.

Why Locals Choose Lennon John Plumbing & Heating

Residents choose Lennon John Plumbing & Heating in Denville, NJ for steady, experienced service and quick emergency response. The company keeps teams small and local so homeowners get a consistent technician and clear, practical recommendations. That steady presence in Denville and nearby towns makes it easier for neighbors to trust routine inspections, repairs, and upgrades over time.