#1
Brass Monkey Plumbing
“Initial visit to discuss customer's upgrade desires of two bathrooms. Fredy was able to spec items and prepare an estimate during the visit. This was unexpected and appreciated.” — Google review
Experts Reviews · 2026 Ratings
The Best Tank Installation in Newberg, OR
We graded 6 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$705typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
96%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.90★average ratingPlain average of every Google star rating we collected for these companies.
1%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 3,891 Google reviews of 15 top-rated tank installation nationwide; 6 of them in Newberg, OR. Updated October 28, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Overall ratings
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of tank installation).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
|---|---|---|---|---|---|
| 1 |  Valley Plumbing NWNewberg, OR | A 98How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%98+57.5Reliability 26%96+25Value 15%100+15.2Experts Score= 98Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 4.98 | $556 |
| 2 |  West Side Drain and SepticNewberg, OR | A 96How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty97−0.3Experts Score= 96Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | — |
| 3 | Brass Monkey PlumbingNewberg, OR | A 92How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%96+52.4Reliability 24%97+23.5Value 14%99+14Replies to reviews 7%38+2.7Craft & service penalty97−0.3Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.96 | $705 |
| 4 |  Oregon PlumbingNewberg, OR | A 92How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%93+54.6Reliability 26%88+23Value 15%94+14.3Experts Score= 92Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 4.92 | $902 |
| 5 |  Mr. Rooter Plumbing of NewbergNewberg, OR | A 85How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%86+46.9Reliability 24%90+21.8Value 14%76+10.7Replies to reviews 7%100+7.1Craft & service penalty83−1.7Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAABAA | 4.77 | $582 |
| 6 |  McMinnville Pumping LLCNewberg, OR | B 78How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%81+47.5Reliability 26%68+17.7Value 15%82+12.5Craft & service penalty99−0.1Experts Score= 78Not enough data for replies to reviews; its weight is shared by the others.Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAA– | 4.70 | — |
What jobs cost
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
|---|---|---|---|---|
| Drain cleaning | $248 | $351 | $478 | 100% |
| Plumbing pipe repair | $340 | $453 | $567 | 98% |
| Plumbing leak detection | $99 | $322 | $1.1k | 97% |
| Toilet repair | $236 | $352 | $771 | 94% |
| Outdoor plumbing system repair | $490 | $1.1k | $1.9k | 100% |
| Water heater installation | $1.1k | $1.7k | $2.4k | 98% |
| Faucet installation | $450 | $752 | $2.0k | 98% |
| Plumbing leak repair | $337 | $499 | $745 | 97% |
Tank Installation in Newberg, OR at a glance
How the 6 tank installation we rated in Newberg, OR compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A583%
- Grade B117%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up467%
- 4.80–4.89★00%
- 4.60–4.79★233%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality89920%
- Professionalism1,06424%
- Responsiveness97822%
- Punctuality89820%
- Value68015%
Was the price fair?
All price verdicts left with reviews.
- Great price18732%
- Reasonable33658%
- Overpriced203%
- Not sure366%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
How we grade
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 6 best-rated tank installation in Newberg, OR average 4.9★ on Google across 2,303 reviews. Brass Monkey Plumbing has the top rating (5.0★), and West Side Drain and Septic has the most reviews (800). Updated October 28, 2026.
6 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (2,303 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Valley Plumbing NW
“Needed to remove a backflow system approved by the city at a residence I was not anywhere near. They were able to quickly get plumbers to the site and even dealt directly with the city to get it resolved. They gave…” — Google review
#3
West Side Drain and Septic
“Doug Folsom of West Side Drain not only is a great guy, but when it comes to all things involving drainage, such as septic tank assessment and installation, he knows more than almost anyone. Not only that, but he…” — Google review
#4
Mr. Rooter Plumbing of Newberg
“Brett with Mr Rooter was fantastic. He was very knowledgeable and personable. He helped us resolve our plumbing mystery and answered all of our questions!” — Google review
#5
Oregon Plumbing
“We had a leaky sink but we suspected a more complicated problem in the shutoff valves. Josh came out the next day, confirmed some issues with the shutoff valves and the section of pipe behind them, and then quickly…” — Google review
#6
McMinnville Pumping LLC
“We had an emergency situation and Heather and Jeremy were so fast, professional, friendly and reasonable I just can’t say enough good things about them! Thank you both!” — Google review
How we pick tank installation in Newberg
We scan Google Maps for tank listings in and around Newberg, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated tank in Newberg?
Brass Monkey Plumbing has the highest Google rating on our Newberg list: 5.0 out of 5 from 625 reviews (as of October 28, 2026).
Which tank in Newberg has the most reviews?
West Side Drain and Septic has the most Google reviews among the companies listed here: 800, with a 4.9★ average.
How are these tank installation chosen?
Only open Newberg-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.