A family-led business that actually shows up.
Mastery Plumbing was built on a simple idea: treat every home like it’s our own, explain everything in plain English, and never leave until the water runs clean. Twenty-five years of master-plumber experience, on every truck that pulls up.
Licensed PA133897 · Insured · Bonded
Serving Eastern Pennsylvania since 2017
Our Story
Led by master plumber Dan Dunn.
Since 2017, Mastery Plumbing has provided reliable plumbing repair and installation to homeowners and businesses across Allentown, Quakertown, and nearby areas. Founder and master plumber Dan Dunn brings over 25 years of experience to every job — delivering solutions that don’t just fix the plumbing, but improve our customers’ comfort and safety.
You can turn to us for all kinds of maintenance, repairs, and upgrades — from leaking pipes to sump and well-pump installation and full fixture overhauls. Beyond these projects, we specialize in water testing and filtration, so the water you drink, cook, and clean with is something you can trust.
No matter the situation, our licensed and insured team strives to provide above-average service. We’re much more than a plumbing company — we’re a trusted organization that aims to support our community one job at a time. We also offer flexible financing and payment plans to make top-notch plumbing more affordable.
What makes us stand out.
The mission, vision, and values that guide every call we take and every job we finish.
Our Mission
We provide quality plumbing and water filtration services with honesty and integrity — maintaining clear communication, in a professional manner, with every customer.
Our Vision
We strive to produce a work environment that leads to meaningful work and meaningful relationships through truthfulness and transparency.
Our Core Values
We build a culture that stimulates innovation and team-building — discovering what helps everyone perform at their best in life, work, and relationships.
25+
Years of master-plumber experience
1000+
Homes with water tested & treated
4.8★
Across 183+ Google reviews
24/7
Emergency availability, year-round
What we stand for.
Not slogans on a van — the four standards we hold every tech and every job to.
01
Fast response, lasting solutions.
We pick up. We send a tech. And we don’t leave until the issue is solved — usually that same day.
— Same-day · 24/7 help
02
Honest pricing. No surprises.
Upfront, flat-rate estimates with no hidden fees. The number we say is the number you pay.
— Free written quotes
03
Your peace of mind first.
We solve plumbing problems quickly and thoroughly, so you can get back to what actually matters.
— Warrantied workmanship
04
Done right the first time.
No shortcuts. Master-plumber-led work with 25+ years of know-how on every truck that pulls up.
— Licensed PA133897
The people behind the trucks.
Licensed, background-checked, and genuinely good to have in your home.
Dan Dunn
Owner & Master Plumber
Founder of Mastery Plumbing with 25+ years of experience. Sets the standard for every job — from diagnosis to clean-up.
Brent
Lead Technician
The tech customers ask for by name. Explains everything, rushes nothing.
Shelby
Service Technician
Well-pump and water-quality specialist who’s happiest solving the tricky ones.
Office Team
Scheduling & Care
The friendly voice when you call — coordinating windows and keeping you updated.
Credentials you can count on.
Every tech is licensed, insured, and held to the same standard.
Fully Licensed
Pennsylvania license #PA133897, master-plumber led on every job.
Insured & Bonded
Full liability coverage protects your property from start to finish.
Insured & Bonded
Full liability coverage protects your property from start to finish.
24/7 Availability
Real humans answering the phone, every day of the year — holidays included.
Zip Code We Serve
Let's get your water running clean.
Tell us what's going on. We'll respond in under an hour during business hours, and we triage emergencies first.
Quakertown, PA 18951
Tell us what's going on.
We'll text or call you back within the hour during business hours.