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Septic system installers and replacers in Derry

Tom Howe Septic Systems and Excavation

29 Patten Road
5.00(
6
)
•Approved Pro

Tom Howe Septic Systems and Excavation

29 Patten Road
5.00(
6
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
57 years of experience

A few services we provide are residential and commercial septic pumping, and drain field install/repair. We are conveniently located to serve Hillsborough County. We are licensed, bonded and insured. Tom Howe Septic Systems is a family-owned and operated business that has served the Merrimack area since 1968.

"A"

Tariq S on May 2022

A few services we provide are residential and commercial septic pumping, and drain field install/repair. We are conveniently located to serve Hillsborough County. We are licensed, bonded and insured. Tom Howe Septic Systems is a family-owned and operated business that has served the Merrimack area since 1968.

"A"

Tariq S on May 2022

Corriveau Construction Company

13 S Bow Rd
5.00(
5
)
•Approved Pro

Corriveau Construction Company

13 S Bow Rd
5.00(
5
)
•Approved Pro
Customers say: Quick response
29 local quotes requested
53 years of experience

Bob has been in business for 50 years. Started working on his own property and was disappointed in the quality of other people's work so he decided to go leave a career in electronics sales and into business himself.Became a career in building and developing.Built subdivisions.Built roads and all site work for new homes.

"This is the best construction pro I had in my life. If there is anyone's looking for the best construction crew this company is the best. I've never had anyone in my life as good as Corriveau construction company. They went beyond and above what I expected. "

Bill A on September 2025

Bob has been in business for 50 years. Started working on his own property and was disappointed in the quality of other people's work so he decided to go leave a career in electronics sales and into business himself.Became a career in building and developing.Built subdivisions.Built roads and all site work for new homes.

"This is the best construction pro I had in my life. If there is anyone's looking for the best construction crew this company is the best. I've never had anyone in my life as good as Corriveau construction company. They went beyond and above what I expected. "

Bill A on September 2025

Innovative Septic Solutions

40 Pasture Drive
4.56(
25
)
•Approved Pro

Innovative Septic Solutions

40 Pasture Drive
4.56(
25
)
•Approved Pro
Customers say: Quality work
24 local quotes requested
40 years of experience

Serving all of Hillsborough and the surrounding counties, the professionals at Innovative Septic Solutions are the go-to, full service septic designers and installers you can trust to get the job done right! Call now for a consultation!

"Our new construction home in Gilford, NH will not begin until spring 2025. Bob?s professionalism, solid experience and in-depth knowledge of septic systems and sitework became readily apparent at our initial on-site meeting. Bob provided multiple options which included a state-of-the-art type installation approved by the state of New Hampshire that very few other companies are offering. In addition, Bob is very well connected and a wealth of knowledge in all areas of the building process. We look forward to working with Bob and Innovative Septic and Site Solutions on installing the septic system, site work and many other items. I highly recommend Bob! Sincerely, Dave Kxxx Gilford, NH "

Dave K on February 2025

Serving all of Hillsborough and the surrounding counties, the professionals at Innovative Septic Solutions are the go-to, full service septic designers and installers you can trust to get the job done right! Call now for a consultation!

"Our new construction home in Gilford, NH will not begin until spring 2025. Bob?s professionalism, solid experience and in-depth knowledge of septic systems and sitework became readily apparent at our initial on-site meeting. Bob provided multiple options which included a state-of-the-art type installation approved by the state of New Hampshire that very few other companies are offering. In addition, Bob is very well connected and a wealth of knowledge in all areas of the building process. We look forward to working with Bob and Innovative Septic and Site Solutions on installing the septic system, site work and many other items. I highly recommend Bob! Sincerely, Dave Kxxx Gilford, NH "

Dave K on February 2025

H. K. White & Son, LLC

203 Towle Rd
5.00(
1
)
•Approved Pro

H. K. White & Son, LLC

203 Towle Rd
5.00(
1
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
65 years of experience

Welcome to H.K. White & Son, LLC! We are committed to exceeding your expectations. As experts, we will handle your needs with the high quality expertise that your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us now!

"They were very approachable, and made me feel comfortable as a woman dealing with contractors. Very professional, and on time, even checking in when their day was done. I would say they went above and beyond."

Kathy Y on March 2019

Welcome to H.K. White & Son, LLC! We are committed to exceeding your expectations. As experts, we will handle your needs with the high quality expertise that your home or business deserves. We offer competitive prices and customer satisfaction is our number one priority. Call us now!

"They were very approachable, and made me feel comfortable as a woman dealing with contractors. Very professional, and on time, even checking in when their day was done. I would say they went above and beyond."

Kathy Y on March 2019

Avatar for Covered Bridge Outdoor Construction Corp.

Covered Bridge Outdoor Construction Corp.

149 Hidden Oak Way
5.00(
7
)
•Approved Pro

Covered Bridge Outdoor Construction Corp.

149 Hidden Oak Way
5.00(
7
)
•Approved Pro
21 years of experience
Free onsite estimate

Covered Bridge is a construction firm with over 18 years in business. Our services include masonry and concrete repair, foundation and structural repair work. We also install chain link fencing. We serve residential, commercial and public sector clients. We also offer financing for our clients including 0% interest for 12 months and payment terms of up to 10 years!

"I have had Covered Bridge do several projects for me. They have exceeded my expectations every time! Paul and Keith are very easy to work with, they listened to what I wanted payed close attention to detail, they take pried in what they do and their finished work is proof! They have knowledge and experience in pretty much anything! Thanks to them I now have a brand new deck, stamped padio, new siding, front door and front steps and they will be my first call for any other projects that need attention! "

Candice C on August 2025

Covered Bridge is a construction firm with over 18 years in business. Our services include masonry and concrete repair, foundation and structural repair work. We also install chain link fencing. We serve residential, commercial and public sector clients. We also offer financing for our clients including 0% interest for 12 months and payment terms of up to 10 years!

"I have had Covered Bridge do several projects for me. They have exceeded my expectations every time! Paul and Keith are very easy to work with, they listened to what I wanted payed close attention to detail, they take pried in what they do and their finished work is proof! They have knowledge and experience in pretty much anything! Thanks to them I now have a brand new deck, stamped padio, new siding, front door and front steps and they will be my first call for any other projects that need attention! "

Candice C on August 2025

Avatar for Select Excavation and Landscaping

Select Excavation and Landscaping

25 Hale True Road
5.00(
2
)
•Approved Pro

Select Excavation and Landscaping

25 Hale True Road
5.00(
2
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
203 local quotes requested

**** CHECK OUT OUR WEBSITE WWW.NHEXCAVATION.COM **** Select Excavation offers highly affordable septic services including general excavation, water & septic line services, leach field installations, as well as septic system installation and repair. From entire condo complexes to single family residences, Select Excavation has the equipment, experience, and in-depth technical knowledge to do the job right. We are a trusted NH septic service, leach field installation and water main installation company. Since 2010, we've been the best septic services provider serving southern NH. We offer water main installations, septic system installation, leach field repairs & replacement.

"Select Excavation and Landscaping, LLC is in one word FANTABULOUS!! John was always available, his knowledge of what was needed for our project was spot on. He knew the codes that were necessary, he was personable and engaging and he always checked in with us throughout the entire process. Johns crew of Nick, Eddie and Kyle are very talented and knowledgeable craftsmen. The are also polite, intuitive and receptive to the needs at hand each day. We THANK, John and crew for doing a FANTABULOUS job!!"

Tom W on April 2023

**** CHECK OUT OUR WEBSITE WWW.NHEXCAVATION.COM **** Select Excavation offers highly affordable septic services including general excavation, water & septic line services, leach field installations, as well as septic system installation and repair. From entire condo complexes to single family residences, Select Excavation has the equipment, experience, and in-depth technical knowledge to do the job right. We are a trusted NH septic service, leach field installation and water main installation company. Since 2010, we've been the best septic services provider serving southern NH. We offer water main installations, septic system installation, leach field repairs & replacement.

"Select Excavation and Landscaping, LLC is in one word FANTABULOUS!! John was always available, his knowledge of what was needed for our project was spot on. He knew the codes that were necessary, he was personable and engaging and he always checked in with us throughout the entire process. Johns crew of Nick, Eddie and Kyle are very talented and knowledgeable craftsmen. The are also polite, intuitive and receptive to the needs at hand each day. We THANK, John and crew for doing a FANTABULOUS job!!"

Tom W on April 2023

Avatar for A Really Good Plumber

A Really Good Plumber

5 Elder Williams Rd
4.27(
11
)
•Approved Pro

A Really Good Plumber

5 Elder Williams Rd
4.27(
11
)
•Approved Pro
Customers say: Quality work
386 local quotes requested
18 years of experience

At A Really Good Plumber, we pride ourselves on providing our customers with reasonable pricing, quality workmanship, and professional service on every call. When you work with A Really Good Plumber, you know you are getting high quality products and exceptional service facilitated by cutting edge technology. Our certified technicians use this technology in all installations, and to diagnose, and repair existing problems. These services will ultimately benefit the ones you love by keeping you and your family comfortable and safe all year round.

"He was very observant of all the permissions needed for a gas water heater. I definitely would recommend them to anybody easy to talk to and great work."

Dave B on December 2024

At A Really Good Plumber, we pride ourselves on providing our customers with reasonable pricing, quality workmanship, and professional service on every call. When you work with A Really Good Plumber, you know you are getting high quality products and exceptional service facilitated by cutting edge technology. Our certified technicians use this technology in all installations, and to diagnose, and repair existing problems. These services will ultimately benefit the ones you love by keeping you and your family comfortable and safe all year round.

"He was very observant of all the permissions needed for a gas water heater. I definitely would recommend them to anybody easy to talk to and great work."

Dave B on December 2024

Avatar for Hot & Cold Plumbing & Heating LLC

Hot & Cold Plumbing & Heating LLC

North Shore, Ma
4.87(
188
)
•Approved Pro

Hot & Cold Plumbing & Heating LLC

North Shore, Ma
4.87(
188
)
•Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
1426 local quotes requested

SUPER SERVICE AWARD 2023, 2022, 2021, 2020, 2019,2018,2017,2016, 2015, 2014 AND 2013 PLUMBING. Hot & Cold Plumbing & Heating LLC is a full service plumbing, heating and gas-fitting company. For an immediate response to all your plumbing and heating needs, CALL (978) 701-1617.

"It went extremely smoothly. Eric arrived on time and worked efficiently. I am very pleased with the results. He was pleasant and professional. He was very neat, and cleaned up all debris when he was finished. Highly recommend."

Joanne S on July 2025

SUPER SERVICE AWARD 2023, 2022, 2021, 2020, 2019,2018,2017,2016, 2015, 2014 AND 2013 PLUMBING. Hot & Cold Plumbing & Heating LLC is a full service plumbing, heating and gas-fitting company. For an immediate response to all your plumbing and heating needs, CALL (978) 701-1617.

"It went extremely smoothly. Eric arrived on time and worked efficiently. I am very pleased with the results. He was pleasant and professional. He was very neat, and cleaned up all debris when he was finished. Highly recommend."

Joanne S on July 2025

Granite State Sewer & Drain Cleaning Co

PO Box 313
4.91(
11
)
•Approved Pro

Granite State Sewer & Drain Cleaning Co

PO Box 313
4.91(
11
)
•Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
127 local quotes requested

Granite State Sewer & Drain Cleaning Co is your go-to plumbing and drain cleaning expert in New Hampshire. With our extensive experience and top-notch service, we stand out from the competition. Contact us today for all your plumbing needs! Additional DBAs - Granite State Sewer Pumps, Granite State Sewer & Drain Cleaning Inc.

"Granite State Sewer called me the next morning and had a technician out within two hours. He explained everything he did and was courteous and knowledgeable. The price was very fair, and I would use them again and will recommend to others."

Chali D on June 2020

Granite State Sewer & Drain Cleaning Co is your go-to plumbing and drain cleaning expert in New Hampshire. With our extensive experience and top-notch service, we stand out from the competition. Contact us today for all your plumbing needs! Additional DBAs - Granite State Sewer Pumps, Granite State Sewer & Drain Cleaning Inc.

"Granite State Sewer called me the next morning and had a technician out within two hours. He explained everything he did and was courteous and knowledgeable. The price was very fair, and I would use them again and will recommend to others."

Chali D on June 2020

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FAQs for septic system installation and replacement projects in Derry, NH

Most septic system replacements require several days to complete, not including permitting and preparation time. The process begins with site assessment and testing, followed by excavation, component installation, and final inspection. Weather conditions, property accessibility, and inspection schedules can all affect your project timeline. Your contractor can provide a more specific estimate based on your property's unique characteristics.

Standard homeowners' insurance policies don't cover septic system replacement due to age or normal deterioration. Coverage may apply if damage results from specific covered events, but routine maintenance and eventual replacement are generally considered homeowner responsibilities. Review your policy details or speak with your insurance agent to understand your specific coverage limitations.

Look for multiple indicators such as slow-draining fixtures, unusual gurgling sounds in plumbing, sewage odors inside or outside your home, or wet spots in your yard. Unusually lush grass over the drain field area, frequent backups, or recurring repair needs might signal system failure. Addressing these warning signs promptly can prevent property damage and health hazards.

DIY septic installation is not recommended and may violate local regulations. Professional installation ensures compliance with health codes, proper design for your specific site conditions, and appropriate safety measures. The specialized equipment, technical knowledge, and permitting requirements make this a job best left to licensed professionals who can guarantee the system's safety and effectiveness.

With proper maintenance, including regular pumping, a drain field lasts 20 years. Various factors influence system longevity, including household size, water usage patterns, and soil conditions. Regular professional inspections can help determine when replacement becomes necessary. If your system requires increasingly frequent repairs, replacement might be more economical than continuing to address individual problems.

The Derry, NH homeowners’ guide to septic system installations and replacements

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

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