Call Now
Website
Call
Business Details
50+ Years
experience
Emergency
services
Expert Plumbing Services in Baton Rouge
Marino & Son Plumbing & Heating was founded in 1925 by Sam F. Marino and has served the Baton Rouge community for nearly a century. Our company specializes in commercial construction while also providing residential and commercial repair services. Three generations of the Marino family have led the business, maintaining a commitment to quality, competitive pricing, and timely project completion. We hold a Master Plumbing License (LMP# 3490) and have completed landmark projects including the original Planetarium, Albertsons, LA Correctional Institute for Women, and numerous schools. Our repeat clients include municipalities, public institutions, and civic organizations who trust our expertise.

We prioritize attention to detail across all projects, from large-scale commercial builds to individual service requests. Our team combines decades of collective experience with technical proficiency to deliver reliable plumbing solutions. We maintain strong relationships with architects, contractors, and property owners throughout Baton Rouge and surrounding areas. Our reputation for honesty and integrity has been built through consistent delivery of high-quality workmanship since our founding.
Services
Commercial Plumbing Residential Repairs Gas Line Services Water Heater Repair Sewer Line Solutions
Details
  • Year established: 1925
Highlights and features
  • Three generations of plumbing expertise since 1925
  • Licensed specialists for complex commercial projects
  • Proven track record with public institutions and schools
  • 24/7 emergency service for urgent plumbing needs
  • Family-owned commitment to community standards
Associations and certifications
  • Master Plumbing License LMP# 3490
What people say
Dependable service Trusted for decades Quality workmanship Responsible company Honest plumbing solutions
Services
Commercial Plumbing
Specialized plumbing solutions for large-scale commercial construction projects. Our team handles complete system installations, maintenance, and repairs for businesses, schools, and public institutions. With decades of experience serving Baton Rouge's commercial sector, we ensure code compliance and long-term system reliability.
Residential Repairs
Comprehensive repair services for residential plumbing systems including leak detection, fixture replacement, and pipe maintenance. Our technicians address common household issues like dripping faucets, running toilets, and water heater problems with prompt, lasting solutions.
Gas Line Services
Professional installation, inspection, and repair of natural gas and propane systems. We handle emergency gas leak situations with immediate response and provide routine maintenance to ensure safe operation of residential and commercial gas lines.
Water Heater Repair
Diagnosis and repair of electric and gas water heating systems. Our services include element replacement, tank maintenance, and efficiency optimization to resolve issues with inconsistent hot water supply and system performance.
Sewer Line Solutions
Sewer line inspection, cleaning, and repair using modern diagnostic tools. We address clogs, backups, and odor issues through professional drain rodding and sewer line maintenance while preventing future system failures.
People
Stephanie Marino-Dauzat
CFO
Third-generation plumbing expert with 20+ years in business operations. Oversees financial strategy while maintaining family commitment to quality service. Advocates for community-focused business practices.
Donnie Marino
Master Plumber
Licensed plumber with 30+ years experience. Holds Master Plumbing License LMP# 3490. Specializes in complex commercial installations and system diagnostics while mentoring junior technicians.
Ryan Dauzat
Former Owner
Led company operations for 25 years before retirement in 2012. Transferred ownership to family while maintaining industry connections. Instrumental in expanding commercial project capabilities.
Shirley Marino
Former Owner
Second-generation leader who managed business transition during retirement period. Maintained operational standards while preparing next generation for leadership responsibilities.
Joe Marino
Founding Repair Specialist
Original repair service operator with 40+ years in plumbing trade. Established early reputation for quality workmanship that became company foundation.
Questions
Do you offer emergency plumbing services?
Yes, call us immediately for urgent plumbing issues outside regular business hours.
What commercial projects have you completed?
We've completed plumbing for schools, hospitals, government buildings, and major retail locations in Baton Rouge.
How do you handle sewer line problems?
We use professional drain rodding and inspection tools to resolve clogs and prevent future issues.
Can you repair water heater issues?
Yes, we diagnose and repair electric and gas water heater problems including element replacement.
Are your plumbers licensed?
Yes, we hold Master Plumbing License LMP# 3490 with certified professionals on staff.
What areas do you service?
We primarily serve Baton Rouge, Mid-City, Port Allen, Youngsville, and Brusly areas.