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Pipe Repair & Replacement — South Shore, MA
Water stain on the ceiling? Unexplained spike in your water bill? We find the leak, show you what's causing it, and give you a clear price before we touch anything.
Serving Quincy, Weymouth, Braintree, Plymouth & all of South Shore MA. The $99 service fee sends a licensed technician out to diagnose the problem. Approve the repair on the spot and the fee is not charged at all; decline it and the $99 covers the visit.
Complete Pipe Repair & Replacement Services

- Advanced leak detection technology
- Hidden pipe leak location
- Pinhole leak repair
- Slab leak detection
- Wall and ceiling pipe repairs
- Copper pipe replacement
- PEX piping installation
- Galvanized pipe upgrades
- PVC drain pipe replacement
- Cast iron to PVC conversion
- Complete home repiping
- Modernize old plumbing systems
- Increase water pressure
- Prevent future pipe failures
- Minimal wall/floor disruption
Common Pipe Problems We Fix
Burst & Frozen Pipes
South Shore winters can freeze pipes, causing them to burst. We provide 24/7 emergency repair for burst pipes in Quincy, Weymouth, and throughout the area to prevent extensive water damage.
Corroded & Rusted Pipes
Older South Shore homes often have galvanized or copper pipes showing signs of corrosion. We replace deteriorating pipes with modern, long-lasting materials like PEX or copper.
Persistent Leaks
Water stains on walls or ceilings? High water bills? We use advanced leak detection to find hidden leaks behind walls, under slabs, and in ceilings throughout Braintree, Plymouth, and South Shore homes.
Low Water Pressure
Low water pressure often indicates corroded pipes or buildup restricting flow. We diagnose the cause and replace problem sections or repipe your home for improved water flow.
Noisy Pipes
Banging, rattling, or whistling pipes indicate loose mounting, water hammer, or high pressure. We secure pipes properly and install pressure regulators as needed.
Root Intrusion
Tree roots can infiltrate older drain pipes causing clogs and damage. We provide drain cleaning services and pipe replacement to eliminate root problems permanently.
Pipe Materials We Work With
Copper Pipes
Durable, reliable, and long-lasting. Copper is the gold standard for water supply lines in South Shore homes.
- ✓ 50+ year lifespan
- ✓ Heat resistant
- ✓ Natural antimicrobial
PEX Pipes
Flexible, freeze-resistant, and cost-effective. PEX is ideal for repiping projects and new installations.
- ✓ Flexible installation
- ✓ Freeze resistant
- ✓ Lower cost
PVC Pipes
Standard for drain, waste, and vent lines. Durable, corrosion-resistant, and long-lasting.
- ✓ Excellent for drains
- ✓ Won't corrode
- ✓ Easy maintenance
Cast Iron Pipes
Common in older South Shore homes. We repair or replace deteriorating cast iron with modern materials.
- ✓ Found in older homes
- ✓ We upgrade to PVC
- ✓ Eliminates corrosion
Pipe Repair Services Throughout South Shore Massachusetts
From emergency pipe repairs to whole-house repiping, Johnson Bros. serves homeowners throughout the South Shore. We understand the unique plumbing challenges of coastal homes and older properties in our service area.
Quincy Pipe Repair
Expert pipe repair and replacement for historic and modern Quincy homes
Weymouth Pipe Repair
Reliable pipe services throughout all Weymouth neighborhoods
Braintree Pipe Repair
Professional pipe repair and repiping for Braintree properties
Plymouth Pipe Repair
Comprehensive pipe services for Plymouth homes and businesses
Marshfield Pipe Repair
Protecting Marshfield coastal properties with expert pipe repair
Hingham Pipe Repair
Quality pipe repair and replacement throughout Hingham
Pipe Repair in the South Shore Towns We See Most
These town pages go deeper on the pipe problems we see in Quincy, Abington, Braintree, and Weymouth — older supply lines, hidden leaks, and repiping work.
Quincy Pipe Repair
Leak repair and repiping for older Quincy plumbing systems.
Abington Pipe Repair
Galvanized lines, repipes, and pipe replacement in Abington.
Braintree Pipe Repair
Pipe repair and leak work for Braintree homes and businesses.
Weymouth Pipe Repair
Pipe replacement and hidden leak diagnosis in Weymouth.
Pipe repair questions we get asked
How do I know if a pipe should be repaired or replaced?
A single accessible leak can often be repaired, but repeated leaks, corrosion, poor water pressure, or older failing materials usually point to replacement or repiping as the better long-term fix.
Do you replace old galvanized or cast iron piping?
Yes. We replace aging galvanized, cast iron, copper, and damaged plastic piping with updated materials that fit the application and current code requirements.
Can you find hidden leaks behind walls or under floors?
Yes. We diagnose hidden leaks and trace the affected line before opening finished areas so the repair plan is based on the actual source of the problem.
What causes pipes to fail in older South Shore homes?
Common causes include corrosion, freeze damage, shifting structures, worn joints, and years of mineral buildup that reduce flow and weaken the line.
What are the signs I need pipe repair?
Water stains on ceilings or walls, reduced water pressure at a fixture or throughout the house, rust-colored water, visible corrosion at joints, and unexplained increases in your water bill. Any of these warrants a diagnostic call before a slow leak becomes a major one.
Do you warranty your pipe repairs?
Yes. Our work is warrantied for one year on parts and labor. Equipment carries its manufacturer's warranty on top of that, six years on the tank of a standard water heater for example. If the same issue comes back inside the year, we come back.
Ready to get this booked?
Pick a time online in about a minute, or call if you would rather talk it through.
Why South Shore homeowners choose Johnson Bros.
Need professional pipe repair?
From hidden leaks to full repipes, Johnson Bros. gives South Shore homeowners a clear plan and a faster path to stable plumbing.
Not sure what's wrong? Send a photo or videoBooking online is the quickest way to hold the next open appointment. Call instead if it is urgent and you would rather talk to someone.
Can't talk right now? Get a callback.
How We Work
Clear communication, licensed work, and local support.
Licensed Plumbing Work
Massachusetts-licensed plumbing support backed by insured crews.
Fast Scheduling Updates
We tell you what timing is available and keep you updated if the schedule shifts.
Upfront Options
You get a clear explanation of the work and price before the job begins.
Repair-First Guidance
We help you understand whether repair, replacement, or follow-up service makes the most sense.
Need professional pipe repair?
From hidden leaks to full repipes, Johnson Bros. gives South Shore homeowners a clear plan and a faster path to stable plumbing.
Call for urgent help now. Book online when you want the next available fit for your schedule.