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Septic Designers in New Hampshire
In New Hampshire, septic system plans must be prepared by a designer permitted by NHDES. You'll need one for a new home, a failed system, converting a seasonal camp or adding bedrooms.
9 septic designers are listed in the directory, sorted by Google rating. Get up to 3 free quotes.
Septic Designers by region
9 septic designers in NH
- Vlk Septic — Septic Installation in Wentworth, NH · 5.0★ on Google (72 reviews)
- Septic Designs of NH — Septic Design in Exeter, NH · 5.0★ on Google (20 reviews)
- Hinds Septic Design Services — Septic Design in Concord, NH · 5.0★ on Google (15 reviews)
- Ames Associates — Septic Design in Meredith, NH · 4.3★ on Google (6 reviews)
- Legacy Concrete Co., — Concrete in Dover, NH · 5.0★ on Google (1 review)
- Epping and Exeter Septic — Septic Installation in Epping, NH
- John Downing Excavating, Inc. — Excavation in Enfield, NH
- Monadnock Septic Design — Septic Design in Fitzwilliam, NH
- Site Succor Design — Septic Design in Peterborough, NH
Frequently asked questions
- Who can design a septic system in NH?
- Only a designer permitted by NHDES, who must pass an exam and keep up continuing education. See our septic system guide.
- When do I need a new septic design?
- For a new building, replacing a failed system, converting seasonal use to year-round, or increasing load such as adding bedrooms. See our septic system guide.
- Does selling a waterfront home require a septic evaluation?
- If any part of the system is within 250 feet of a covered water body, the buyer must hire a licensed septic system evaluator before the sale. Details are in our septic system guide.
- How do I get quotes from septic designers in New Hampshire?
- Compare the listings on this page and contact a few directly, or describe your project once on our free quote form and we'll send it to up to 3 matching local pros.