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  • Average homeowner rating star icon4.1
    Average homeowner rating
  • Verified reviews icon51
    Verified septic tank services reviews

Find Septic tank pros in Cohasset

Avatar for Mark Reddan Plumbing & Heating

Mark Reddan Plumbing & Heating

5.00(
28
)
Approved Pro

Mark Reddan Plumbing & Heating

5.00(
28
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2023 years of experience

Mark Reddan Plumbing & Heating is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Great business, he is an honest guy"

Jean-marc T on June 2024

Mark Reddan Plumbing & Heating is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.

"Great business, he is an honest guy"

Jean-marc T on June 2024


Avatar for Pioneer Basement

Pioneer Basement

4.69(
188
)
Approved Pro

Pioneer Basement

4.69(
188
)
Approved Pro
Customers say: Super punctual
1984 years of experience
Free onsite estimate

Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.

"Went well. pumps replaced"

Esther H on August 2022

Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.

"Went well. pumps replaced"

Esther H on August 2022


Avatar for Clear Water Pump and Well Service, LLC

Clear Water Pump and Well Service, LLC

4.88(
100
)
Approved Pro

Clear Water Pump and Well Service, LLC

4.88(
100
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2010 years of experience

Clear Water Pump and Well Service is a leading well and pump service, and water filtration company based in Massachusetts. Our goal is to provide exceptional pump and well service at a price you can afford without sacrificing quality. We have serviced well systems for more than 15 years. We have a vast knowledge of technology currently being used in the water well industry in the region and are able to service both Massachusetts and Rhode Island. We are looking forward to earning your business. For your information we install our equipment, not equipment you purchased elsewhere.

"Extremely responsive. My well pump died and they were at my house 30 minutes after my call to diagnose, and installed a new pump first thing the next morning. Such responsiveness gives me great peace of mind "

Chris O on April 2025

Clear Water Pump and Well Service is a leading well and pump service, and water filtration company based in Massachusetts. Our goal is to provide exceptional pump and well service at a price you can afford without sacrificing quality. We have serviced well systems for more than 15 years. We have a vast knowledge of technology currently being used in the water well industry in the region and are able to service both Massachusetts and Rhode Island. We are looking forward to earning your business. For your information we install our equipment, not equipment you purchased elsewhere.

"Extremely responsive. My well pump died and they were at my house 30 minutes after my call to diagnose, and installed a new pump first thing the next morning. Such responsiveness gives me great peace of mind "

Chris O on April 2025


Avatar for LMH CONSTRUCTION GROUP LLC

LMH CONSTRUCTION GROUP LLC

4.82(
11
)
Approved Pro

LMH CONSTRUCTION GROUP LLC

4.82(
11
)
Approved Pro
Customers say: Quality work
2011 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Let me start off by saying that these guys are great. They did my bathroom, kept everything clean, and anytime I had question or concern, they were quick to respond. I now will rehire them to do my basement and remodel my kitchen?"

Barbara S on October 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"Let me start off by saying that these guys are great. They did my bathroom, kept everything clean, and anytime I had question or concern, they were quick to respond. I now will rehire them to do my basement and remodel my kitchen?"

Barbara S on October 2025


Avatar for Clear Water Pump & Well Service, Inc.

Clear Water Pump & Well Service, Inc.

4.91(
33
)
Approved Pro

Clear Water Pump & Well Service, Inc.

4.91(
33
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
2011 years of experience

Clear Water Pump & Well Service, Inc. is your trusted partner for all your well, water filtration and pump service needs in Massachusetts and Rhode Island. With over 15 years of experience, we are the leading experts in the industry. Our commitment is to deliver exceptional service without compromising on quality, all at an affordable price. We have extensive knowledge of the latest technology in the Water Well Industry in Massachusetts and beyond, and our services are available throughout the region. Contact us today and let us earn your business.

"Good job done."

John N on November 2024

Clear Water Pump & Well Service, Inc. is your trusted partner for all your well, water filtration and pump service needs in Massachusetts and Rhode Island. With over 15 years of experience, we are the leading experts in the industry. Our commitment is to deliver exceptional service without compromising on quality, all at an affordable price. We have extensive knowledge of the latest technology in the Water Well Industry in Massachusetts and beyond, and our services are available throughout the region. Contact us today and let us earn your business.

"Good job done."

John N on November 2024


Avatar for Mankewich Contracting, Inc.

Mankewich Contracting, Inc.

5.00(
7
)
Approved Pro

Mankewich Contracting, Inc.

5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1993 years of experience

We are dedicated to providing our clients with the very best in excavation and building site services, specializing in septic tank installation and repairs. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.

"Pumped out 3 feet of storm water!! Jamie the owner was a life saver!! He dropped everything to help me, Iâ m extremely grateful for your promptness and resolving the bad situation quickly!"

Jeff M on January 2024

We are dedicated to providing our clients with the very best in excavation and building site services, specializing in septic tank installation and repairs. We take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.

"Pumped out 3 feet of storm water!! Jamie the owner was a life saver!! He dropped everything to help me, Iâ m extremely grateful for your promptness and resolving the bad situation quickly!"

Jeff M on January 2024


Avatar for Septic Services LLC

Septic Services LLC

4.88(
8
)
Approved Pro

Septic Services LLC

4.88(
8
)
Approved Pro
Super Service Award
2024 years of experience
Free onsite estimate

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"On time and quick service. Technician was professional and I will probably use them again "

Stephanie G on October 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"On time and quick service. Technician was professional and I will probably use them again "

Stephanie G on October 2025


Avatar for Schofield Environmental

Schofield Environmental

4.17(
9
)
Approved Pro

Schofield Environmental

4.17(
9
)
Approved Pro
Customers say: Quick response
1999 years of experience
Free onsite estimate

At Alpha Environmental, we are very well versed in all available septic solutions for your project. We design and install the best septic systems to the highest standards. Whether we are repairing your current septic system or installing a new one, one thing is certain; nobody brings a higher level of professionalism into your home. We value quality and guarantee a pleasurable customer service experience. We look forward to serving you. Give us a call for a free estimate today!

"Dave is design/build - heck of a lot better than hiring multiple contractors! "

Harold M on April 2025

At Alpha Environmental, we are very well versed in all available septic solutions for your project. We design and install the best septic systems to the highest standards. Whether we are repairing your current septic system or installing a new one, one thing is certain; nobody brings a higher level of professionalism into your home. We value quality and guarantee a pleasurable customer service experience. We look forward to serving you. Give us a call for a free estimate today!

"Dave is design/build - heck of a lot better than hiring multiple contractors! "

Harold M on April 2025


AW-Pump

3.67(
3
)
Approved Pro

AW-Pump

3.67(
3
)
Approved Pro
2015 years of experience
Emergency services offered

We offer a full line of services and install submersible and above-ground water systems. AW-Pump proudly provides this plan to our customers to help keep payments within your budget. AW-Pump installs and services both pedestal sump pumps and submersible sump pumps by Zoeller. We have a 24/7 emergency service. You can count on us. AW-Pump is a fast, affordable, and efficient service. Whatever your problem regarding your home or business, we know how to fix it.

"Awesome!"

Robert W on August 2025

We offer a full line of services and install submersible and above-ground water systems. AW-Pump proudly provides this plan to our customers to help keep payments within your budget. AW-Pump installs and services both pedestal sump pumps and submersible sump pumps by Zoeller. We have a 24/7 emergency service. You can count on us. AW-Pump is a fast, affordable, and efficient service. Whatever your problem regarding your home or business, we know how to fix it.

"Awesome!"

Robert W on August 2025


Avatar for Drycrete Waterproofing

Drycrete Waterproofing

4.99(
271
)

Drycrete Waterproofing

4.99(
271
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Drycrete Waterproofing is the premier full-service basement waterproofing company. We specialize in interior drainage systems, sump pump installation and servicing, foundation crack injections, slab removal and basement lowering. We are the most trusted source for guaranteed solutions to wet and damp basements in homes or businesses in Massachusetts. Drycrete uses the best available products on the market and our expert process transforms a wet undesirable basement into a safe, dry and usable space. Our company values are based around Integrity, Innovation, Craftsmanship & Compassion.

"I moved into a 2 year old house to immediately find water seeping into the basement. I found some signs of it around the baseboard moldings. I called a couple of companies, one of them Drycrete and another, an interior french drain company. The french drain company wanted to jack hammer my finished basement and install one of their systems, an additional sump pump, and a ton of exterior work for pump discharge. That was going to cost 15-20k. Drycrete on the other hand, walked around the perimeter and noticed the obvious - foundation cracks. Those are cheap to fix, but not a guarantee. In any case, I decided to start from the top down, cracks first, 20k french drain later. The process for a crack seal is pretty straight forward and if I wasn't as pannicked I would have attempted it myself. They used Poly to inject into the crack and it worked. The basemet is dry. My sheetrock is open and the wall is still bare from the spray foam along the crack lines. I constantly measure the moisture content in the baseplates and it's slowly getting back to normal. But the moral of the story is - whatever company you bring on to a job site, whatever sperialty it is that they do, that's the solution they will likely propose to you. Drycrete did a good job as far as getting the right diagnosis. If I had to change anything about my experience with Drycrete, maybe I woould have requested for them to put up Zipwalls around the work area. Drywall and concrete dust went everywhere. Overall, good work y'all."

Yevgeniy B on January 2023

Drycrete Waterproofing is the premier full-service basement waterproofing company. We specialize in interior drainage systems, sump pump installation and servicing, foundation crack injections, slab removal and basement lowering. We are the most trusted source for guaranteed solutions to wet and damp basements in homes or businesses in Massachusetts. Drycrete uses the best available products on the market and our expert process transforms a wet undesirable basement into a safe, dry and usable space. Our company values are based around Integrity, Innovation, Craftsmanship & Compassion.

"I moved into a 2 year old house to immediately find water seeping into the basement. I found some signs of it around the baseboard moldings. I called a couple of companies, one of them Drycrete and another, an interior french drain company. The french drain company wanted to jack hammer my finished basement and install one of their systems, an additional sump pump, and a ton of exterior work for pump discharge. That was going to cost 15-20k. Drycrete on the other hand, walked around the perimeter and noticed the obvious - foundation cracks. Those are cheap to fix, but not a guarantee. In any case, I decided to start from the top down, cracks first, 20k french drain later. The process for a crack seal is pretty straight forward and if I wasn't as pannicked I would have attempted it myself. They used Poly to inject into the crack and it worked. The basemet is dry. My sheetrock is open and the wall is still bare from the spray foam along the crack lines. I constantly measure the moisture content in the baseplates and it's slowly getting back to normal. But the moral of the story is - whatever company you bring on to a job site, whatever sperialty it is that they do, that's the solution they will likely propose to you. Drycrete did a good job as far as getting the right diagnosis. If I had to change anything about my experience with Drycrete, maybe I woould have requested for them to put up Zipwalls around the work area. Drywall and concrete dust went everywhere. Overall, good work y'all."

Yevgeniy B on January 2023

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Septic Tanks questions, answered by experts

Most households will need to pump their septic tank every three to five years. If you have a smaller tank or more people living in your home, you’ll likely be on the lower end of this spectrum (with less time between pumpings)—and vice versa if you have a bigger tank or live alone. On average, a professional septic tank pump costs $400.

Yes, a bigger well pump can increase water pressure—up to a point. If you currently have a well pump of 8 GPM, you might notice a pressure boost when you go up to 10 GPM. However, overshooting significantly (going up to 15 GPM for an 8 GPM home) can strain your well system and result in things like burst pipes that can decrease your water pressure and make for costly repairs.

Preventing septic tank problems can help save on overall septic tank repair costs and keep your home running smoothly. To ensure that your tank continues to function correctly, you should:

  • Have your septic tank system inspected every one to three years.

  • Have your septic tank pumped every three to five years or as needed based on your usage.

  • Avoid flushing paper towels, wet wipes, and feminine hygiene products.

  • Avoid excess water usage at one single time.

You should never park or drive on top of a septic field. Vehicles can weigh upwards of two tons, and this weight can put a lot of pressure on the leach lines in the drain field. Too much pressure on your leach lines may cause them to warp, crack, or completely burst. This is an expensive and very avoidable problem.

Neither system is necessarily better or worse than the other, but one of the two might be better for your needs. For example, anaerobic systems are less expensive than aerobic ones and don’t use power to run. On the other hand, aerobic septic systems don’t take up as much space and are typically more efficient than their anaerobic counterparts.

The Cohasset, MA homeowners’ guide to septic tank services

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

What do you need done? We’ll find top pros.
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