Serving Concord, NH and surrounding areas
Angi Approved
In business since 1981
Emergency services offered
Warranties offered
"good job and reasonable pricing"



Serving Concord, NH and surrounding areas
Angi Approved
In business since 1981
Emergency services offered
Warranties offered
"good job and reasonable pricing"



Serving Concord, NH and surrounding areas
Angi Approved
In business since 2007
Free estimates
Emergency services offered
"I called every plumber around and Septic Design of NH had the best price to put a camera down the sewer line. Problem was located in no time."





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Serving Concord, NH and surrounding areas
Angi Approved
Super Service Award Winner
In business since 1985
Free estimates
Emergency services offered
"I was selling a 71 year old home and the inspection revealed a failing septic system. I had called another company as well as Bob snd had opted to use the other company which was local in Merrimack. Sadly I was told it would be 6 to 8 weeks. I could not wait that long since the house needed to be sold before winter. I called Bob and he began the same day! He explained he was also an engineer and could do the required septic design himself. He was able to have the entire job done in 2 weeks and we had a contract to sell before he finished. He was a delight to work with and I woukd recommend this company without any hesitation."

Serving Concord, NH and surrounding areas
Angi Approved
In business since 2013
Free estimates
Emergency services offered
"what a great experience with these guys....seldom do we encounter a business that actually cares...unbelievable customer service and expert work...they saved us a small fortune....can't thank them enough"



Serving Concord, NH and surrounding areas
Angi Approved
In business since 1972
Free estimates
Customers say: Quick response
"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. "