# Pioneer Basement Waterproofing

**Trade:** Waterproofing / Foundation · **Address:** 31 Sanford Rd, Westport, MA 02790, USA · **Phone:** (508) 674-5121 · **Website:** http://pioneerbasement.com/ · **Languages:** English

**Rating: 4.7/5** (high confidence) — from 870 reviews across 9 sources.
99% of sentiment-scored reviews read net-positive. Last 6 months: 181 reviews, 0 negative.

## The honest read

Pioneer Basement Waterproofing has been on Westport's radar since well before online reviews existed — the company has held BBB accreditation since 1993, and its Massachusetts home improvement contractor registration is active. That tenure shows up as consistency: 870 reviews stretch back to 2016, and the last six months alone brought 188 reviews with not one negative among them. Google puts it at 4.9 stars across 1,059 ratings, Angi at 4.7 from 188.

The name that comes up over and over is Alfredo — dozens of reviews describe him running maintenance and pump-replacement visits with the same care, and one homeowner recounts him cleaning out an old pump first, at no charge, just to check whether that would fix the problem before recommending a costly replacement (it didn't, but the reviewer appreciated the attempt). Other named technicians — Rick, Nate, Johnson, Rafael, Sebastian — draw similar praise for walking customers through what they're checking rather than just doing the work silently. Installation jobs get described in real detail: a 2022 review recounts a crew trenching a vapor barrier and collection channel through a Cape Cod basement's concrete floor in just over a day, leaving the space clean enough to finish; a 2024 review describes a full sump-and-backup-pump replacement plus improved exterior drainage that held up through a stretch of heavy storms.

It isn't spotless. In a 2023 review, a customer described the estimate for a job being rewritten to a higher price after an expected service-call credit failed to materialize — the credit then subtracted from the inflated number rather than the original quote — and said coordinating equipment moves for the job was left entirely on them. And in a 2025 review, a longtime customer noted that water returned to their basement years after Pioneer's original work; the company came back twice to fix it, proposing a further paid job to resolve what by then looked like a different, newer problem.

BuildZoom shows a single 1-star rating for the company, sharply out of step with everything else on the page — worth knowing about but hard to weigh against a 30-year, nearly-900-review track record built mostly on named, detailed praise. Before booking, it's worth asking how any service-call credit will actually apply to a written estimate.

**Strengths:**
- Alfredo, by name — dozens of reviews single him out for careful pump work
- Honest troubleshooting — one tech cleaned an old pump first to avoid a needless sale
- Clean installations — trenching and drainage work described as neat, minimal disruption
- Long BBB tenure — accredited business since 1993

**Concerns:**
- Estimate dispute — a 2023 review describes a credit-then-price-hike billing issue
- Recurring leak — a 2025 review recalls water returning years after initial work

**Where sources disagree:**
- BuildZoom lists a single 1-star rating for the company, sharply at odds with the 4.9-star average across 1,059 Google ratings and the 4.7-star average on Angi.

## Claims & citations

Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication.

- Massachusetts home improvement contractor registration is active _(confidence: high)_
  - [State License Registry](https://contractorhub.mass.gov/s/hic-contractor-search) — “MA hic license 112382 verified active”
- BBB grade A+, accredited business since 1993 _(confidence: high)_
  - [Better Business Bureau](https://www.bbb.org/us/ma/westport/profile/waterproofing-contractors/pioneer-basement-waterproofing-0021-26961) — “Better Business Bureau grade: A+”
  - [Better Business Bureau](https://www.bbb.org/us/ma/westport/profile/waterproofing-contractors/pioneer-basement-waterproofing-0021-26961) — “Listed certification: BBB Accredited Business (accredited since 7/14/1993)”
- Google rating 4.9 stars from 1,059 ratings; Angi 4.7 stars from 188 ratings _(confidence: high)_
  - [Google](https://maps.google.com/?cid=4991225785982183096&g_mp=CiVnb29nbGUubWFwcy5wbGFjZXMudjEuUGxhY2VzLkdldFBsYWNlEAIYBCAA) — “Google: 4.9★ from 1059 ratings”
  - [Angi](https://www.angi.com/companylist/us/ma/westport/pioneer-basement-reviews-178718.htm) — “Angi: 4.7★ from 188 ratings”
- Dozens of reviews single out one technician, Alfredo, by name for careful maintenance and pump work _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21ScmNETmlSVVZoY0ROSFZVaGthR2xMUVZGYWJVRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOmRrcDNiRUVhcDNHVUhkaGlLQVFabUE%7C%7C?hl=en) — “5★ Alfredo absolutely crushed it. He serviced and maintained my sump pump with the utmost care and professionalism. Great experience. Highly…”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2tkWVNqSnpka1JoWkRCMlNURndRMUJEUkZOT04yYxAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOkdYSjJzdkRhZDB2STFwQ1BDRFNON2c%7C%7C?hl=en) — “5★ Alfredo was amazing for maintenance and replaced pump- really efficient and helpful. Thank you!”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT2tWWlpYTldXRXhMU2xwUVRWTTVlV1ZTT0ZWdk9HYxAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOkVZZXNWWExLSlpQTVM5eWVSOFVvOGc%7C%7C?hl=en) — “5★ Alfredo helped with both a service call and a sump maintenance call in the same appointment, today. He was friendly and professional with…”
- One reviewer said a technician cleaned an old pump first to try to avoid a needless replacement sale _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT21SdGVFcHdhaTEwZUdOMVNuUnJVUzFqYmxwbFdWRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOmRteEpwai10eGN1SnRrUS1jblplWVE%7C%7C?hl=en) — “5★ Alfredo was wonderful! He was very patient with me-explaining the problem and how to fix it.  To avoid the expense of a new pump he clean…”
- Installation crews are described trenching vapor barriers and drainage systems with minimal disruption _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25sSWFtTnpORUo2VlhRM1drRldXVk5oVDA5T1ZuYxAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOnlIamNzNEJ6VXQ3WkFWWVNhT09OVnc%7C%7C?hl=en) — “5★ Sebastian and his team did a fantastic job installing a drainage system at my property, going above and beyond not just to do the job he …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQycHUtczBnRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CIHM0ogKEICAgID2pu-s0gE%7C%7C?hl=en) — “5★ Pioneer installed a sump pump, vapor barrier and collection channel in our cape code home.  They were very efficient completing the job i…”
- A 2023 review describes an estimate rewritten to a higher price after an expected service-call credit did not materialize _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSURoMzRyNnlRRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CIHM0ogKEICAgIDh34r6yQE%7C%7C?hl=en) — “1★ Very disappointing for two reasons.  1. The estimate for the upcoming job was to allow credit for the service call.  When the credit did …”
- A 2025 review recalls water returning to a basement years after the original waterproofing work, requiring return visits _(confidence: medium)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25KamR6WjRVVVozYW5ZeWFFRTVlbHB4VldvMmQwRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOnJjdzZ4UUZ3anYyaEE5elpxVWo2d0E%7C%7C?hl=en) — “5★ Rafael is a man of integrity. When I had water in my basement, years after initial Pioneer work, he came twice to remedy the bad situatio…”
- Specializes in Waterproofing / Foundation _(confidence: high)_
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT201eGNGazNaa3hUZUZGT2JFTTRhVFZrUzNSdGFXYxAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOm5xcFk3ZkxTeFFObEM4aTVkS3RtaWc%7C%7C?hl=en) — “5★ Nate replaced our main and back up sumps!  And he did it alone, no helper.  Fantastic! On time, courteous and a very hard worker!  Thank …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sCi9DQUlRQUNvZENodHljRjlvT25sSWFtTnpORUo2VlhRM1drRldXVk5oVDA5T1ZuYxAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CAIQACodChtycF9oOnlIamNzNEJ6VXQ3WkFWWVNhT09OVnc%7C%7C?hl=en) — “5★ Sebastian and his team did a fantastic job installing a drainage system at my property, going above and beyond not just to do the job he …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUNEeHF1NzZnRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CIHM0ogKEICAgICDxqu76gE%7C%7C?hl=en) — “5★ Pioneer Basement is a company that goes above and beyond their competition. We needed to replace our existing sump pump that was old, as …”
  - [Google Reviews](https://www.google.com/maps/reviews/data=!4m8!14m7!1m6!2m5!1sChdDSUhNMG9nS0VJQ0FnSUQycHUtczBnRRAB!2m1!1s0x0:0x454465685f3ce6b8!3m1!1s2@1:CIHM0ogKEICAgID2pu-s0gE%7C%7C?hl=en) — “5★ Pioneer installed a sump pump, vapor barrier and collection channel in our cape code home.  They were very efficient completing the job i…”

## Ownership

- Identifies as family-owned — the business's own statement, not independently verified.

## License

Status: **active** (#112382, hic) — verified against the official MA state registry on 2026-07-01, never self-reported.
Re-check at the official registry: https://contractorhub.mass.gov/s/hic-contractor-search

## Sources

- [Exa](https://www.checkbook.org/ma/westport/basement-waterproofers/pioneer-basement-waterproofing/kgk1u): 6 web mentions across the open web (each linked to its source)
- [Google](https://www.google.com/maps/search/?api=1&query=Pioneer%20Basement%20Waterproofing&query_place_id=ChIJrQHA6FH55IkRuOY8X2hlREU): 4.9★ from 1059 ratings
- [Google Reviews](https://www.google.com/maps/search/?api=1&query=Pioneer%20Basement%20Waterproofing&query_place_id=ChIJrQHA6FH55IkRuOY8X2hlREU): Listed on this source
- [Angi](https://www.angi.com/companylist/us/ma/westport/pioneer-basement-reviews-178718.htm): 4.7★ from 188 ratings
- [Official Website](http://pioneerbasement.com): Self-reported profile and service details
- [Reddit](https://www.reddit.com/r/HomeImprovement/comments/ak3qgl/plenty_o_water_here/): 1 community mention discussing this business
- [BuildZoom](https://www.buildzoom.com/contractor/pioneer-basement-waterproofing-inc): 1.0★ from 1 ratings
- [HomeAdvisor](https://www.homeadvisor.com/rated.PioneerBasement.86309646.html): Listed on this source
- [Better Business Bureau](https://www.bbb.org/us/ma/westport/profile/waterproofing-contractors/pioneer-basement-waterproofing-0021-26961): Listed on this source
- [Better Business Bureau](https://www.bbb.org/us/ma/westport/profile/waterproofing-contractors/pioneer-basement-waterproofing-0021-26961): Listed on this source
- [Angi](https://www.angi.com/companylist/us/ma/westport/pioneer-basement-reviews-178718.htm): Listed on this source
- [Exa](https://pioneerbasement.com/): 0 web mentions across the open web (each linked to its source)

## Mentions

Unverified third-party mentions found on the open web — relay with attribution ("a Reddit commenter said…"), never as Tavlee's own finding.

- “She did have the drain system put in a few yrs ago by Pioneer Basements in the floor around the perimiter and its worked somewhat welk.” — u/Chillz71 in r/HomeImprovement (2019-01-26) — https://www.reddit.com/r/HomeImprovement/comments/ak3qgl/plenty_o_water_here/

## Recent reviews

- **5/5 · Google Reviews · Jonathan Monterecy · 2026-06-30**: Alfredo absolutely crushed it. He serviced and maintained my sump pump with the utmost care and professionalism. Great experience. Highly recommended. Thanks, Pioneer Basement!
- **5/5 · Google Reviews · Matt Bonatti · 2026-06-30**: Steve was great! Very professional, helpful, and knowledgeable!
- **5/5 · Google Reviews · Marsha Brecher · 2026-06-29**: I was very satisfied with the service we received from Alfredo. He expertly installed a new pump system.
- **5/5 · Google Reviews · Jill Pineda · 2026-06-25**: Alfredo completed a maintenance and it was smooth and effective! Thank you!
- **5/5 · Google Reviews · Susan Therien · 2026-06-24**: Issac was wonderful and found my problem in 2 minutes. Service charge was $199 for a minute visit.. pretty steep but Issac was great.
- **5/5 · Google Reviews · Richard Trilles · 2026-06-23**: Lemuel did a great job servicing our pump. He was knowledgeable, friendly and helpful.
- **5/5 · Google Reviews · Paula Almeida · 2026-06-23**: The technician called and set up the time for the visit and got the job done!
- **5/5 · Google Reviews · 25 Harvard Street · 2026-06-23**: Alfredo was amazing for maintenance and replaced pump- really efficient and helpful. Thank you!
- **5/5 · Google Reviews · Scott Weiner · 2026-06-22**: Alfredo was great putting in new pump
- **5/5 · Google Reviews · Deborah Schissler · 2026-06-22**: Johnson has been my service tech for several years.  He is extremely knowledgeable and skilled and does an extraordinary job cleaning and checking my pumps. He always reviews the systems with me and is very respectful and patient with all of my questions. I find Johnson so pleasant to work with and …

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Data freshness: last scanned 2026-07-01T18:47:32.732Z.
Cite as: Pioneer Basement Waterproofing — Tavlee (https://tavlee.com/contractor/pioneer-basement-waterproofing-westport)
Source: https://tavlee.com/contractor/pioneer-basement-waterproofing-westport