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Find Plumbing installers for a remodel or addition in Rochester

Avatar for Bourne Family Plumbing, LLC

Bourne Family Plumbing, LLC

5.00(
4
)
Approved Pro

Bourne Family Plumbing, LLC

5.00(
4
)
Approved Pro
Free onsite estimate

Bourne Family Plumbing LLC is a veteran, family-owned and operated plumbing company proudly serving Derry, NH and surrounding communities with nearly a decade of hands-on experience. Built on integrity, discipline, and pride in workmanship, we deliver dependable plumbing solutions homeowners can trust. We specialize in plumbing for home additions and professional water heater installation and replacement, ensuring your upgrades are done safely, efficiently, and up to code. Whether you’re expanding your home or need reliable hot water restored fast, we bring the skill and precision to get it done right the first time. Our mission is simple: honest pricing, clear communication, and quality work that stands the test of time. No shortcuts. No surprises. Just solid plumbing backed by strong values. We proudly offer discounts for military members, fellow veterans, and seniors as a thank you for your service and dedication.

"We refurbished two bathrooms as we were getting ready to sell our house. Bourne Plumbing was right there with us. They solved some design problems with the remodel and helped keep the project on time and on budget. Great to work with and would highly recommend them for any remodel project!"

Dan r on March 2026

Bourne Family Plumbing LLC is a veteran, family-owned and operated plumbing company proudly serving Derry, NH and surrounding communities with nearly a decade of hands-on experience. Built on integrity, discipline, and pride in workmanship, we deliver dependable plumbing solutions homeowners can trust. We specialize in plumbing for home additions and professional water heater installation and replacement, ensuring your upgrades are done safely, efficiently, and up to code. Whether you’re expanding your home or need reliable hot water restored fast, we bring the skill and precision to get it done right the first time. Our mission is simple: honest pricing, clear communication, and quality work that stands the test of time. No shortcuts. No surprises. Just solid plumbing backed by strong values. We proudly offer discounts for military members, fellow veterans, and seniors as a thank you for your service and dedication.

"We refurbished two bathrooms as we were getting ready to sell our house. Bourne Plumbing was right there with us. They solved some design problems with the remodel and helped keep the project on time and on budget. Great to work with and would highly recommend them for any remodel project!"

Dan r on March 2026


Avatar for Derry Plumbing & Heating

Derry Plumbing & Heating

4.50(
30
)
Approved Pro

Derry Plumbing & Heating

4.50(
30
)
Approved Pro
Customers say: Quality work
37 years of experience
Free onsite estimate

If you�re familiar with plumbing, you know that doing it right takes just the right recipe: two parts job knowledge and three parts skill. At Londonderry Plumbing and Heating, we provide everything you need to secure the perfect plumbing solution, a mixture that will do you right, just like home cooking! No job is too small or too challenging for our dedicated professionals! Londonderry Plumbing and Heating can tackle your most challenging plumbing problems and do so at affordable rates. If you are looking for a plumber who is highly qualified, quick to respond and a pleasure to do business with, give us a call. We look forward to adding you to our list of satisfied customers!

"Great service! Emergency service and done within the day!"

Bonnie S on May 2025

If you�re familiar with plumbing, you know that doing it right takes just the right recipe: two parts job knowledge and three parts skill. At Londonderry Plumbing and Heating, we provide everything you need to secure the perfect plumbing solution, a mixture that will do you right, just like home cooking! No job is too small or too challenging for our dedicated professionals! Londonderry Plumbing and Heating can tackle your most challenging plumbing problems and do so at affordable rates. If you are looking for a plumber who is highly qualified, quick to respond and a pleasure to do business with, give us a call. We look forward to adding you to our list of satisfied customers!

"Great service! Emergency service and done within the day!"

Bonnie S on May 2025


Sonart Construction Corp.

1.50(
2
)
Approved Pro

Sonart Construction Corp.

1.50(
2
)
Approved Pro
13 years of experience
Free onsite estimate

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"????? If I could give zero stars, I would Hiring this contractor was a nightmare from start to finish. The bathroom they delivered is so poorly done that I feel like I need to redo it entirely. They rely on subpar subcontractors with no professionalism or craftsmanship. ? Overpromise and underdeliver: I had to stay on top of every detail myself, doing the job the contractor was hired to manage. ? Unreliable: Never kept appointments or confirmed schedules. The only time they showed up on time was to collect payment. ? Unsafe practices: At one point, a subcontractor was cutting concrete inside the bathroom with a gas?powered tool, filling my entire home with smoke. I had to intervene to stop it and argue just to get basic protections like tarps in place. ? Poor management: Subcontractors openly complained about not being paid, and I even had to send one home myself because of unacceptable behavior. ? End result: Substandard work that does not reflect the money spent. Save yourself "

Kevork B on December 2025

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

"????? If I could give zero stars, I would Hiring this contractor was a nightmare from start to finish. The bathroom they delivered is so poorly done that I feel like I need to redo it entirely. They rely on subpar subcontractors with no professionalism or craftsmanship. ? Overpromise and underdeliver: I had to stay on top of every detail myself, doing the job the contractor was hired to manage. ? Unreliable: Never kept appointments or confirmed schedules. The only time they showed up on time was to collect payment. ? Unsafe practices: At one point, a subcontractor was cutting concrete inside the bathroom with a gas?powered tool, filling my entire home with smoke. I had to intervene to stop it and argue just to get basic protections like tarps in place. ? Poor management: Subcontractors openly complained about not being paid, and I even had to send one home myself because of unacceptable behavior. ? End result: Substandard work that does not reflect the money spent. Save yourself "

Kevork B on December 2025


Avatar for Environmental Testing & Research Laboratories, Inc

Environmental Testing & Research Laboratories, Inc

4.85(
347
)

Environmental Testing & Research Laboratories, Inc

4.85(
347
)
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

"as advertised"

Nancy C on July 2018


Avatar for Main Stream Mechanical

Main Stream Mechanical

4.82(
67
)

Main Stream Mechanical

4.82(
67
)
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers

Main Stream Mechanical provides full spectrum plumbing, heating and air conditioning services. We also install and service whole-house generators and water filtration/purification systems. We are dedicated to providing reliable and cost effective solutions that best fit our customer's needs and expectations. As a National Grid VPI contractor, we specialize in converting oil customers to natural gas. Our techncians are expert, professional and responsive. They are licensed and hold industry certifications. We service and install natural gas, propane gas and oil equipment.

"Huge shout out to the crew at Main Stream Mechanical. Eric came out, reviewed my current system, and gave me his recommendation for replacing my furnace and hot water heater with a new, energy efficient furnace/hot water heater. Brenda, as always, was a pleasure to deal with. Answered all my emails and calls promptly and gave me all the information I needed in a timely manner. She even went out of her way to register my new furnace and provide me with all the information I needed to apply for my rebate! Nick and Marcus did a great job installing my new furnace/hot water heater. Both were very friendly and professional. Nick answered all my questions, gave me a “tutorial” on the emergency shut off procedure for my new furnace, and did a fantastic job re-plumbing all the lines needed for the install. I highly recommend Main Stream Mechanical for all your HVAC needs."

NormaJean F on July 2024

Main Stream Mechanical provides full spectrum plumbing, heating and air conditioning services. We also install and service whole-house generators and water filtration/purification systems. We are dedicated to providing reliable and cost effective solutions that best fit our customer's needs and expectations. As a National Grid VPI contractor, we specialize in converting oil customers to natural gas. Our techncians are expert, professional and responsive. They are licensed and hold industry certifications. We service and install natural gas, propane gas and oil equipment.

"Huge shout out to the crew at Main Stream Mechanical. Eric came out, reviewed my current system, and gave me his recommendation for replacing my furnace and hot water heater with a new, energy efficient furnace/hot water heater. Brenda, as always, was a pleasure to deal with. Answered all my emails and calls promptly and gave me all the information I needed in a timely manner. She even went out of her way to register my new furnace and provide me with all the information I needed to apply for my rebate! Nick and Marcus did a great job installing my new furnace/hot water heater. Both were very friendly and professional. Nick answered all my questions, gave me a “tutorial” on the emergency shut off procedure for my new furnace, and did a fantastic job re-plumbing all the lines needed for the install. I highly recommend Main Stream Mechanical for all your HVAC needs."

NormaJean F on July 2024


Septic tank service. Additional address - 1421 White Mountain Highway, Milton, NH 03851.


Avatar for BADGER PLUMBING HEATING & MECHANICAL INC.

BADGER PLUMBING HEATING & MECHANICAL INC.

4.83(
48
)

BADGER PLUMBING HEATING & MECHANICAL INC.

4.83(
48
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Badger Plumbing, Heating & Mechanical is a family owned and operated plumbing, heating and gas company serving our commercial and residential customers for close to 40 years! We service the Lakes Region as well as the NH Seacoast and everywhere in between. We are fully licensed and insured. We have an unwavering commitment to use quality, name-brand products with professionally-backed warranties. We have vast knowledge in all areas of plumbing and heating. Our team brings many years of on hands experience and is ready to tackle anything thrown their way. Our team is equipped with the latest training and tools to make sure your project runs smoothly. Our warranty-backed products, knowledgeable staff, and seamless installation process are the perfect combination. We will always be upfront and honest with our customers. Never charging anyone for repairs or replacements that they do not need. We will keep you informed every step of the way letting you know what needs to be done and what can wait. We continually strive to exceed expectations by ensuring that each customer receives the very best service. We deliver top-quality workmanship and incredible customer service. Whether you have a serious leak or need routine maintenance for your plumbing or heating systems, there is no job too big or too small for us.

"Drain Pipe installation"

Julie R on October 2020

Badger Plumbing, Heating & Mechanical is a family owned and operated plumbing, heating and gas company serving our commercial and residential customers for close to 40 years! We service the Lakes Region as well as the NH Seacoast and everywhere in between. We are fully licensed and insured. We have an unwavering commitment to use quality, name-brand products with professionally-backed warranties. We have vast knowledge in all areas of plumbing and heating. Our team brings many years of on hands experience and is ready to tackle anything thrown their way. Our team is equipped with the latest training and tools to make sure your project runs smoothly. Our warranty-backed products, knowledgeable staff, and seamless installation process are the perfect combination. We will always be upfront and honest with our customers. Never charging anyone for repairs or replacements that they do not need. We will keep you informed every step of the way letting you know what needs to be done and what can wait. We continually strive to exceed expectations by ensuring that each customer receives the very best service. We deliver top-quality workmanship and incredible customer service. Whether you have a serious leak or need routine maintenance for your plumbing or heating systems, there is no job too big or too small for us.

"Drain Pipe installation"

Julie R on October 2020


Avatar for JMS Plumbing And Heating LLC

JMS Plumbing And Heating LLC

4.86(
79
)

JMS Plumbing And Heating LLC

4.86(
79
)
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

With jms plumbing and heating, you have over 20+ years of plumbing and heating experience that works to your advantage – quick, reliable and efficient service. This experience includes treating you and your home with respect, which is what we pride ourselves on. Many of our customers look to us as their preferred residential plumbing service provider. We enjoy our work and it shows! We look forward to welcoming you as a customer and being your preferred plumber in the future. licenses nh master plumber: 4923 ma journeyman plumber: 30110 nh gas fitter: gfe0804753.

"Great !!! He shows up when he says. Returns calls. Knows what he is doing. Polite & clean. Does great work at a fair cost."

Carl M on January 2021

With jms plumbing and heating, you have over 20+ years of plumbing and heating experience that works to your advantage – quick, reliable and efficient service. This experience includes treating you and your home with respect, which is what we pride ourselves on. Many of our customers look to us as their preferred residential plumbing service provider. We enjoy our work and it shows! We look forward to welcoming you as a customer and being your preferred plumber in the future. licenses nh master plumber: 4923 ma journeyman plumber: 30110 nh gas fitter: gfe0804753.

"Great !!! He shows up when he says. Returns calls. Knows what he is doing. Polite & clean. Does great work at a fair cost."

Carl M on January 2021


Avatar for Pettigrew Plumbing and HVAC

Pettigrew Plumbing and HVAC

4.79(
149
)

Pettigrew Plumbing and HVAC

4.79(
149
)
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Super Service Award Winner 4 Years in a ROW!! Pettigrew Plumbing and HVAC provides full service and cutting edge plumbing, heating and HVAC services. Whether it is repair, remodel or new construction, we do it all. Our priority is always to make sure our customers are 100% satisfied, and we warranty all our work. We are family run and have been in business over 20 years. Fully insured and licensed plumbing, heating and gas installers with licenses in New Hampshire and Maine.

"I was told I was getting an appliance A/C tech, who knew how to service Air Conditioners. The Technician arrived...had no idea what to do...Had to search the repair procedure on the internet !! The tech informed me, that he doesn't work on these units or know anything about them. Nothing was correctly serviced or fixed. The problem returned in 2 hours, and I was charged almost $300 for nothing. For $300 dollars, nothing got solved. Terrible service, WAY TOO EXPENSIVE for no result."

Sean C on August 2022

Super Service Award Winner 4 Years in a ROW!! Pettigrew Plumbing and HVAC provides full service and cutting edge plumbing, heating and HVAC services. Whether it is repair, remodel or new construction, we do it all. Our priority is always to make sure our customers are 100% satisfied, and we warranty all our work. We are family run and have been in business over 20 years. Fully insured and licensed plumbing, heating and gas installers with licenses in New Hampshire and Maine.

"I was told I was getting an appliance A/C tech, who knew how to service Air Conditioners. The Technician arrived...had no idea what to do...Had to search the repair procedure on the internet !! The tech informed me, that he doesn't work on these units or know anything about them. Nothing was correctly serviced or fixed. The problem returned in 2 hours, and I was charged almost $300 for nothing. For $300 dollars, nothing got solved. Terrible service, WAY TOO EXPENSIVE for no result."

Sean C on August 2022


Percival Remodeling LLC.

4.94(
99
)

Percival Remodeling LLC.

4.94(
99
)
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers

Percival Remodeling LLC is a family run business and has been in business since 2014 serving most of Rockingham and some of strafford counties. We welcome small jobs from changing door knobs, disposal solutions, and branch pruning away from the house to larger jobs such as full remodels, additions, and garages. We carry general liability and workers comp insurance and can provide a certificate of insurance upon request. We take pride in our work and the materials we install. We also offer disposal services. Also, we do not service mobile homes, and we apologize for any inconvenience.

"Reliable and trustworthy from the get-go! He actually promptly returns phone calls! Throughout the project, Kevin proved himself to be hard working and meticulous from start to finish! We have not one critical thing to say! He was punctual, efficient, so easy to work with and, did I already say hard-working??? His honesty and integrity set him apart from so many other contractors, in fact, he just called to say we had overpaid him by $100.00! Wow! My husband and I were very impressed by not only his work, but by his trust-worthy character and the pride he takes in his work. His assistant, Josh, was also a hard worker and showed such attention to detail - he was even careful not to destroy plants in my garden just below the window he was repairing! It was money well spent! We have already been singing Percival Remodeling's praises and referring him to others. We will hire him for all our future construction projects! Thank you so much, Kevin and Josh! We appreciate the excellent job!"

Paula R on September 2019

Percival Remodeling LLC is a family run business and has been in business since 2014 serving most of Rockingham and some of strafford counties. We welcome small jobs from changing door knobs, disposal solutions, and branch pruning away from the house to larger jobs such as full remodels, additions, and garages. We carry general liability and workers comp insurance and can provide a certificate of insurance upon request. We take pride in our work and the materials we install. We also offer disposal services. Also, we do not service mobile homes, and we apologize for any inconvenience.

"Reliable and trustworthy from the get-go! He actually promptly returns phone calls! Throughout the project, Kevin proved himself to be hard working and meticulous from start to finish! We have not one critical thing to say! He was punctual, efficient, so easy to work with and, did I already say hard-working??? His honesty and integrity set him apart from so many other contractors, in fact, he just called to say we had overpaid him by $100.00! Wow! My husband and I were very impressed by not only his work, but by his trust-worthy character and the pride he takes in his work. His assistant, Josh, was also a hard worker and showed such attention to detail - he was even careful not to destroy plants in my garden just below the window he was repairing! It was money well spent! We have already been singing Percival Remodeling's praises and referring him to others. We will hire him for all our future construction projects! Thank you so much, Kevin and Josh! We appreciate the excellent job!"

Paula R on September 2019

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FAQs for plumbing installation for a remodel or addition projects in Rochester, NH

Adding bathroom plumbing to a detached garage starts with the basic line installation cost of $900 to $1,300. On top of this base expense, you'll need to budget for each fixture. A toilet costs  $250 to $550, sinks cost $150 to $800, and a shower or bathtub costs $400 to $1,900. The project will also require ventilation, moisture-resistant materials, and possibly electrical work. Remember that these costs reflect only the plumbing aspects—additional construction, finishing, and permitting expenses will apply to complete a functional bathroom space.

While certain aspects of garage renovation might be suitable for DIY enthusiasts, plumbing installation requires professional expertise. Connecting to water and sewer systems demands specialized knowledge and equipment, and improper installation can result in severe water damage, code violations, and potential health hazards. Most municipalities require permits for plumbing modifications, and these often stipulate that licensed professionals must perform work. Consider limiting your involvement to simpler tasks like painting or basic finishing work.

The timeframe for adding plumbing to a detached garage spans one to three days for the actual plumbing work. However, this represents only the active installation period. The complete project timeline must account for planning, obtaining permits (which can take weeks depending on your locality), coordinating multiple contractors if needed, and addressing any unexpected challenges that arise during installation. Weather conditions can also impact excavation and outdoor connection work.

Adding plumbing to a detached garage will likely increase your property taxes. Tax assessors consider plumbing an improvement that enhances property value and functionality. The specific tax impact varies by location and project scope. Converting a garage into living space with plumbing facilities can trigger significant reassessment in many jurisdictions. Before proceeding with your project, consult your local tax assessor's office to understand the potential tax implications and factor this ongoing expense into your decision-making process.

The Rochester, NH homeowners’ guide to plumbing installations for a remodel or addition

From average costs to expert advice, get all the answers you need to get your job done.