Honest, reliable residential plumbing for Maryland and Southern Pennsylvania homeowners. No job too small. Done right the first time — honest service, reliable workmanship, and respect for your home.
We specialize in the systems that matter most to your home's water quality and reliability. No pressure, no unnecessary upsells — just honest recommendations and solid work.
Whole-home filtration, water softeners, iron removal, acid neutralizers, well water correction, and reverse osmosis systems. We diagnose the problem first — then fix it right.
Gas, electric, hybrid, and tankless water heater installation, replacement, and service. Hot water when you need it — done right the first time.
Well pump diagnostics, pressure tank replacement, switch, gauge, and tank tee service. Low or no water pressure? We'll find the cause and fix it.
Natural gas and propane line installation, regulators, shutoffs, and gas appliance hookups — done safely and to code.
Clogs, backups, drain cleaning, main line issues, and sewer repairs. We clear the problem and tell you what caused it.
Leaks, toilets, faucets, shutoffs, hose bibs, garbage disposals, fixture replacements, and repairs. No job too small.
Plumbing emergencies don't keep business hours. Neither do we. Call anytime — we answer 24/7.
We keep it simple — show up on time, diagnose it correctly, fix it right, and leave your home better than we found it.
When you call, you get Timothy — not a dispatcher, not a call center. You'll always know who's coming to your home.
Every job is done by a licensed, insured Master Plumber. You're not getting an apprentice or an unlicensed sub.
We give you a straight answer on what's wrong and what it costs. No inflated quotes, no unnecessary upsells.
Reliability, respect, and accountability aren't just words — they're how we operate, on every job, every time.
We focus on homeowners. That means personalized service and a plumber who actually cares about your home — not just the job ticket.
Water treatment, well pumps, and pressure systems are our specialty. We understand these systems from the ground up.
Serafin & Sons Plumbing is a veteran-owned and operated residential plumbing company serving Greater Maryland. Founded by Timothy Serafin, we bring the same standards of discipline and reliability from military service to every job.
We specialize in the systems homeowners depend on most — water treatment, water heaters, well pumps, and sump systems. As a Licensed Master Plumber (#97091), Timothy diagnoses problems correctly the first time and gives you an honest answer about what's needed.
We specialize in diagnosing and correcting water quality issues — not just treating the symptoms.
When you call Serafin & Sons, you're talking to the plumber — not a call center. That's the way it should be.
Call or Text Timothy Direct — 240-758-3775Real jobs. Real results. Photos from actual work done for Maryland and nearby Pennsylvania homeowners.
Full basement half bath rough-in including slab break, drain installation, and sewer ejector system.
Designed and installed for proper flow and venting, with concrete restoration completed after installation.
Includes toilet flange, lavatory drain, and ejector system tie-in.
More project photos added as we complete new jobs.
Based in Central Maryland and serving nearby Maryland communities and Southern Pennsylvania areas. Don't see your area listed? Call or text — chances are we can help.
Pennsylvania work accepted where licensing/registration requirements allow.
Also serving Harford & surrounding areas — give us a call!
Have a plumbing issue or want to schedule service? Give Timothy a call or send a message and we'll get back to you promptly.