Business Details
15 Years
experience
Emergency
services
Your Trusted San Francisco Plumbing Experts Since 2011
Flow Masters Plumbing has been dedicated to redefining plumbing and heating services in the San Francisco Bay Area since 2011. Founded by Alan Moran and Fergal McMahon, our journey began with a commitment to excellence, integrity, and honesty, values that continue to guide every project we undertake. We specialize in advanced plumbing solutions, including emergency repairs, sewer and drain services, water heater installations, and energy-efficient heating systems, serving both residential and commercial clients. Our team of certified professionals holds industry-recognized credentials, including Certified Hazard Recognition Specialist status, and we actively contribute to shaping local plumbing standards as board members of the SFPHCC.With over a decade of experience, we have earned a 5-star reputation through 487 Google reviews, a 2-year workmanship guarantee, and partnerships with organizations like TECH Clean California to promote sustainable practices. Our accolades, including first and second place in Lochinvars global competition and designation as plumbers for the 2020 San Francisco Decorator Showcase House, reflect our dedication to innovation and quality. We prioritize safety, compliance with Cal OSHA regulations, and community engagement, proudly supporting the San Francisco Giants and local initiatives. Our mission remains unchanged: to elevate industry standards through expertise, transparency, and a relentless focus on customer satisfaction.
Services
Drain Cleaning
Water Heater Repair
Sewer Line Replacement
Radiant Floor Heating
Emergency Plumbing
Boiler Installation
Hydro Jetting
Trenchless Sewer Repair
Gas Line Services
Backflow Testing
Details
- Year established: 2011
Highlights and features
- Over 14 years of local plumbing and heating expertise in San Francisco.
- Certified Hazard Recognition Specialists ensuring safety and compliance.
- 24/7 emergency services with rapid response times.
- Financing options and rebate programs for affordable solutions.
- Award-winning team with first-place recognition in Lochinvars global competition.
Associations and certifications
- Certified Hazard Recognition Specialist
- NARI Accredited Remodeling Company
- SFPHCC (Plumbing, Heating, Cooling Contractors)
What people say
Highly recommend
Professional and thorough
Quick emergency response
Expertise in boilers
Transparent pricing
Services
Emergency Plumbing
Flow Masters Plumbing provides urgent plumbing solutions for burst pipes, gas leaks, and sewer backups. Our licensed technicians respond within hours, equipped with fully stocked trucks and advanced tools. With a 5-star reputation and 24/7 availability, we minimize property damage and restore functionality swiftly. Our team prioritizes safety, adhering to Cal OSHA standards, and offers transparent pricing with no hidden fees.
Sewer Line Repair
Specializing in trenchless and traditional sewer repairs, we address root intrusions, cracked pipes, and grease blockages. Using hydro jetting and camera inspections, we diagnose issues with minimal disruption. Our solutions extend pipe lifespan and prevent future failures. Backed by a 1-year guarantee, we serve residential and commercial properties across the Bay Area, ensuring compliance with local building codes.
Water Heater Repair
We repair and install gas, electric, tankless, and heat pump water heaters. Our technicians diagnose leaks, inconsistent temperatures, and sediment buildup, offering same-day service. Financing options and energy-efficient upgrades help reduce utility costs. With 14 years of experience, we ensure reliable hot water supply and safety through pressure relief valve inspections and system optimizations.
Drain Cleaning
Using hydro jetting and video inspections, we clear stubborn clogs in kitchen, bathroom, and main sewer lines. Our eco-friendly methods remove tree roots and mineral deposits without damaging pipes. Commercial clients benefit from industrial-grade drain maintenance to prevent operational disruptions. We guarantee lasting results with follow-up inspections and maintenance plans tailored to high-traffic properties.
Radiant Floor Heating
Our experts install and repair radiant heating systems, boiler replacements, and heat pump water heaters. We specialize in energy-efficient solutions that reduce utility bills while maintaining comfort. Services include system diagnostics, pipe repair, and thermostat calibration. With manufacturer-certified technicians, we ensure optimal performance for residential and commercial spaces, backed by financing and rebate programs.
People
Alan Moran
COO/Owner
Co-founder Alan Moran brings decades of San Francisco plumbing expertise, combining technical skill with a commitment to community-driven service. His leadership focuses on innovation and customer satisfaction.
Fergal McMahon
CEO/Owner
Co-founder Fergal McMahon oversees operations with a focus on quality and sustainability. His background in Irelands plumbing industry informs Flow Masters technical excellence and training programs.
Connor Grant
Field Project Manager
Connor Grant manages complex projects, ensuring timely execution and client communication. His technical expertise and problem-solving skills have earned consistent customer praise for reliability.
Gustavo Oliveira
Technician/Comfort Advisor
Gustavo Oliveira delivers expert diagnostics and repairs, known for thoroughness and clear explanations. His certifications ensure compliance with safety standards and customer peace of mind.
Alberto Martinez
Technician/Comfort Advisor
Alberto Martinez specializes in emergency plumbing, praised for rapid response and efficient fixes. His client-focused approach aligns with Flow Masters commitment to transparency and trust.
Questions
What areas do you service?
We serve San Francisco and surrounding Bay Area cities including Daly City, Pacifica, Palo Alto, and San Mateo.
Do you offer 24/7 emergency services?
Yes, our technicians are available 24 hours a day, 7 days a week for urgent plumbing issues.
Are financing options available?
Yes, we offer flexible financing to make repairs and upgrades more affordable for homeowners and businesses.
What certifications do your plumbers hold?
Our team includes Certified Hazard Recognition Specialists and members of SFPHCC, ensuring safety and compliance.
How do you handle sewer line repairs?
We use trenchless technology and traditional methods, depending on the damage, to minimize disruption and restore functionality.
Can you install energy-efficient systems?
Yes, we specialize in heat pump water heaters and radiant heating systems to improve efficiency and reduce costs.
