Alexandria grew about ten percent between the 2010 and 2020 census. It did that while issuing roughly one single-family building permit a year. Do the arithmetic and you get the town’s real-estate story: new people, old houses, and every one of them on a septic system somebody else installed.
The watershed build-out study pegged Alexandria as the town likely to see the largest share of new construction around Newfound over the next thirty years. That’s the forecast. The recent past looks different — permits ran twenty-five a year in the mid-2000s and dropped to a trickle after 2017. Which means the houses changing hands right now are mostly the existing stock: 1970s ranches on Fowler River Road, farmhouses that got a bathroom added in 1985, camps up the hill that somebody winterized and called a house. And the town has no water and no sewer to lean on. Whatever’s in the ground is the whole system.
People coming from Concord or Massachusetts sometimes don’t take that in. There’s no utility to call. If the leach field is done, the number is yours, and on a hill lot with ledge it’s not a small one. That’s what an inspection is for. Not to kill the deal. To tell you what you’re paying for.
One more thing particular to this town. Alexandria’s bit of Newfound frontage is small, but the developed lots on it are covered by the same state rule as everywhere else: RSA 485-A:39 requires a septic site assessment when developed waterfront in the protected shoreland is sold. That covers a handful of properties here. The other several hundred sales a decade have no such requirement, and those are the ones where we find the surprises.
Ask the listing agent for the NHDES approval number before you schedule. If they can produce one, we pull the plan and know what we’re looking for. If they can’t, that’s useful information all by itself.
We start with paperwork, because in this town it’s often the most interesting part. NHDES has approvals going back decades; the town office may have a plan; the seller may have nothing. A system with no record isn’t necessarily bad, but it’s unknown, and unknown is what you’re trying to get rid of.
Then the tank. Open it, measure sludge and scum, check both baffles, check for water coming back in from the field side. We pump it as part of the inspection when the buyer wants that, because a tank you can see the bottom of tells you more than one you can’t.
Then the field. We walk it and probe it, look for lush green stripes or soft ground, and run water from the house to see whether the D-box distributes evenly and whether anything surfaces. On pumped systems we test the float and alarm. On the older places we’re also looking for the things that don’t show on any plan — a cesspool that was never abandoned, a laundry drain that goes somewhere else, an addition that doubled the bedrooms on a two-bedroom system.
You get a written report the same or next day, with photos, that says plainly: what it is, how old, what condition, what it’ll need and roughly when. It’s the document your agent uses to negotiate and the one you keep in the drawer for the next owner.
A full pre-purchase inspection is $350–$550, with pumping billed separately if you want the tank emptied during the visit (most buyers do). A shoreland site assessment under RSA 485-A:39 is a narrower job and priced accordingly; ask when you book.
A pumped tank tells you the tank was pumped. It says nothing about the field, the baffles, or whether the place has three bedrooms on a system designed for two. Most of what we find in Alexandria is in the field or in the mismatch, not in the tank.
Only if the property is developed waterfront within the protected shoreland — in Alexandria that means the short stretch on Newfound’s west shore. Inland and river lots aren’t covered, which is most of the town. We still recommend the full inspection either way; the state assessment is fairly limited in scope.
Usually that it predates state approval, so 1960s or earlier, or that somebody installed it without one. We treat it as unknown and inspect harder: pump the tank, probe the field, find the D-box if there is one. A surprising number of these turn out fine. Some turn out to be a steel tank with the bottom gone.
Yes, with limits. We can open a tank through frost and run a dye or water test. Probing a frozen field isn’t reliable, so we’ll say so in the report rather than pretend. If the closing allows it, a spring follow-up on the field is worth the extra visit.
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