#1
Action Leak Detection
“Great guy. Came out quickly and helped me with a potential water line leak issue. Super service! Will use him again if and when the need is there.” — Google review
Experts Reviews · 2026 Ratings
The Best Leak Detection Services in Everett, WA
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$429typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
95%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.
1.5%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 56,414 Google reviews of 54 top-rated leak detection services nationwide; 10 of them in Everett, WA. Updated November 9, 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 leak detection services).
| # | 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 | Action Leak DetectionEverett, WA | A 100How 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%100+58.7Reliability 26%100+26.1Value 15%100+15.2Experts Score= 100Not 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– | 5.00 | $633 |
| 2 |  Dirt Cheap Sewer IncEverett, WA | 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%97+25.3Value 15%100+15.2Craft & service penalty99−0.1Experts 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– | 4.96 | $2.0k |
| 3 |  Magic Flow PlumbingEverett, WA | 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 59%99+58.1Reliability 26%97+25.3Value 15%83+12.6Experts Score= 96Not 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. | AA–AA– | 4.98 | $680 |
| 4 |  ProMax Water Heaters & PlumbingEverett, WA | A 95How 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%95+51.8Reliability 24%94+22.8Value 14%100+14.1Replies to reviews 7%85+6Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.96 | $1.4k |
| 5 |  ALL WAYS ROOTER LLC Sewer & Drain, Hydro JetEverett, WA | A 93How 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%97+52.9Reliability 24%96+23.3Value 14%100+14.1Replies to reviews 7%64+4.5Craft & service penalty80−2Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.95 | $447 |
| 6 |  Price Busters Plumbing & SewerEverett, WA | A 93How 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%93+50.7Reliability 24%90+21.8Value 14%99+14Replies to reviews 7%100+7.1Craft & service penalty91−0.9Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.91 | $1.1k |
| 7 |  Taylor's Plumbing Solutions, LLCEverett, WA | 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%98+23.8Value 14%100+14.1Replies to reviews 7%34+2.4Craft & service penalty96−0.4Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAD | 4.94 | $705 |
| 8 |  CM HeatingEverett, WA | 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%92+50.2Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%92+6.5Craft & service penalty96−0.4Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.92 | $292 |
| 9 |  Eco Electric, Plumbing, Heating and AirEverett, WA | A 90How 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%89+48.5Reliability 24%84+20.4Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 90Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.90 | $1.2k |
| 10 |  Harts Plumbers, Electricians, & HVAC TechniciansEverett, WA | 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%85+46.4Reliability 24%82+19.9Value 14%85+12Replies to reviews 7%100+7.1Craft & service penalty96−0.4Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.88 | $731 |
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”. |
|---|---|---|---|---|
| Plumbing pipe repair | $328 | $556 | $1.2k | 96% |
| HVAC system maintenance | $39 | $135 | $264 | 99% |
| Toilet repair | $192 | $351 | $680 | 92% |
| Plumbing leak detection | $78 | $258 | $642 | 96% |
| Drain cleaning | $161 | $317 | $502 | 95% |
| Water heater installation | $1.2k | $1.9k | $2.5k | 96% |
| Faucet repair | $166 | $351 | $542 | 95% |
| Heating system maintenance | $78 | $161 | $251 | 99% |
| Plumbing leak repair | $228 | $441 | $821 | 94% |
| A/C system maintenance | $37 | $135 | $295 | 98% |
| Faucet installation | $295 | $454 | $611 | 94% |
| HVAC system repair | $114 | $264 | $580 | 97% |
Leak Detection Services in Everett, WA at a glance
How the 10 leak detection services we rated in Everett, WA compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A10100%
- Grade B00%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up990%
- 4.80–4.89★110%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality11,51120%
- Professionalism14,00524%
- Responsiveness12,16121%
- Punctuality11,73320%
- Value8,18514%
Was the price fair?
All price verdicts left with reviews.
- Great price2,31026%
- Reasonable5,40761%
- Overpriced3814%
- Not sure7248%
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 10 best-rated leak detection services in Everett, WA average 4.9★ on Google across 12,357 reviews. Action Leak Detection has the top rating (5.0★), and CM Heating has the most reviews (7,953). Updated November 8, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (12,357 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Magic Flow Plumbing
“They figured out the issue right away and had it completely fixed within 30 minutes. It works so much better now than it did before.” — Google review
#3
CM Heating
“We had a bit of a condensation issue, and while not an out and out emergency, we got a next day appointment. Alexander Carlson was our technician. What an extremely personable and professional young man!! He…” — Google review
#4
ALL WAYS ROOTER LLC Sewer & Drain, Hydro Jet
“Sam, as always, was helpful explaining the issues with the pipes in my 25-year old house. He is very pleasant and professional. I would recommend him to anyone.” — Google review
#5
Harts Plumbers, Electricians, & HVAC Technicians
“This is the 1st time I used Hart’s plumbing, heating services. It was for my HVAC system. Maxim Poznyur was great! He did a great job taking the hvac system apart , cleaned it well and re assembled it. It had a…” — Google review
#6
Taylor's Plumbing Solutions, LLC
“The team did a great job installing my new kitchen sink to perfection, not to mention the re-piping & garbage disposal install. I am very happy how it turned out. Thank You!!!” — Google review
#7
Price Busters Plumbing & Sewer
“Very responsible professionals and reasonable price! Willem and Marco came on time to fix urgent issue. They did the job, as promised. Thank you.” — Google review
#8
ProMax Water Heaters & Plumbing
“My hot water tank was leaking while I was at work. They responded promptly to help my family stop the water leak to prevent damage and replace the hot water tank. Great communication and explained everything. No…” — Google review
#9
Dirt Cheap Sewer Inc
“These guys know more than anyone about side sewers and drainage, and show up immediately if there is an emergency. Even on New Year's Day!” — Google review
#10
Eco Electric, Plumbing, Heating and Air
“Jordan Carlson came out promptly same day and did a very thorough and personalized assessment of our home’s electrical. He was willing to educate me throughout the whole encounter and is clearly an expert in his…” — Google review
How we pick leak detection services in Everett
We scan Google Maps for leak detection service listings in and around Everett, 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 leak detection service in Everett?
Action Leak Detection has the highest Google rating on our Everett list: 5.0 out of 5 from 328 reviews (as of November 8, 2026).
Which leak detection service in Everett has the most reviews?
CM Heating has the most Google reviews among the companies listed here: 7,953, with a 4.9★ average.
How are these leak detection services chosen?
Only open Everett-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.
Also in Everett: Window Cleaning Services · Pet Sitters · Pet Services · Irrigation Services