Licensed Master Plumber serving Owings Mills and all of Baltimore County. New construction rough-in, water heaters, well pumps, water treatment, gas piping, drains, and emergency service — done right the first time.
Serafin & Sons Plumbing LLC serves Owings Mills and Baltimore County homeowners with everything from new construction rough-ins and additions to water heater replacements, well systems, water treatment, and everyday repairs. Every job is permitted, inspected, and done right the first time.
Plumbing rough-ins for additions, remodels, basement bathrooms, and select new construction projects. Clean layout, proper sizing, code-compliant installation, and inspection-ready work.
Gas, electric, hybrid, and tankless water heater installation and replacement. Permitted and inspected by Baltimore County.
Well pump diagnostics, pressure tank replacement, and complete tank tee assembly service for Baltimore County homes on well water.
Acid neutralizers, iron filters, water softeners, and UV purification — properly sized and installed for your home's water conditions.
Drain line repair, sewer line replacement, underground drain work, and leak detection.
Natural gas and propane line installation, regulators, shutoffs, and appliance hookups — completed to current Baltimore County codes.
Diagnosis and repair of underground water and sewer line issues — from spot repairs to full excavation and replacement.
Plumbing emergencies don't keep business hours — and neither do we. Call anytime.
Real work, real results. Every job below was completed in Owings Mills by Serafin & Sons Plumbing LLC.
Full plumbing rough-in for a new residential addition in Owings Mills. Scope included a complete bathroom rough-in — shower, lavatory, and toilet — with all waste and water lines properly sized and installed to code.
A 1" underground poly water line was run from the existing well to the new addition. 4" PVC septic line installed to the septic system with a 3" vent through the roof. Water distribution completed in CPVC with all lines labeled and neatly organized throughout the addition.
A Bradford White 50-gallon water heater and WellXTrol WX-202 pressure tank were installed under the stairs. Moen rough-in shower valve set and ready for trim-out.
Permitted and inspected by Baltimore County. Work completed clean, to code, and passed inspection.


















The approach is simple — show up on time, diagnose it correctly, fix it right, and leave your home better than it was found.
Serafin & Sons Plumbing LLC serves Owings Mills and surrounding Baltimore County communities including Reisterstown, Pikesville, Towson, Cockeysville, Lutherville, and Randallstown.
Also serving Harford County and WSSC Jurisdictions — call to confirm availability.
Call or text Timothy direct — 24/7 availability, honest pricing, licensed Master Plumber.