Company profile · Verified June 2026
Reliable Basement Waterproofing
Locally owned waterproofing company in Plaistow, NH, serving the Seacoast. Carries the highest star rating in the Exeter local pack; uses standard interior drainage and sump systems.
Google reviews
5 ★ across 165 Google reviews (2026-06-03).
Rating breakdown as of 2026-04-05.
What reviewers mention most
sump pump 46pipe 20job 20home 14project 12estimate 11
At a glance
| Type | local independent |
|---|---|
| Based in | Plaistow, NH |
| Website | www.reliablebasementwaterproofing.net |
| Named system | None |
| Published warranty | No warranty terms published on its website (may be presented at quote). |
| BBB | A+, BBB accredited 2025, 0 complaints (3yr) |
| Scope | Drainage, sump, vapor barrier, crawl space |
Where it appears
- Best Basement Waterproofing in the NH Seacoast (Exeter area)
- Best Basement Waterproofing in Manchester, NH
- Best Crawl Space Encapsulation in the NH Seacoast (Exeter area)
- Best Basement Waterproofing in Salem, NH
- Local Independent vs National Consolidator
- Reliable Basement Waterproofing vs 603 Basement Solutions
- How we rank (the Bedrock Standard)
Source: Google local pack (live, 2026-06-03); BBB profile (2026-06); Reliable site reviewed for warranty/system.