Analyzing 8,659,3178.7M ReviewsFor 24,72224.7K Experts
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 99,444 Google reviews of 215 top-rated carpet cleaning nationwide; 10 of them in Seattle, WA. Updated November 6, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
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 carpet cleaning).
| # | 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 |  Cascade Carpet CleaningSeattle, 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%99+25.8Value 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 | $365 |
| 2 |  Seattle Dryer Vent CleaningSeattle, 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 55%98+53.5Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%100+7.1Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.98 | — |
| 3 |  StarDuctsSeattle, 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 55%98+53.5Reliability 24%98+23.8Value 14%100+14.1Replies to reviews 7%93+6.6Experts Score= 98Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.98 | $642 |
| 4 |  Sno-King Quality CleaningSeattle, WA | A 94How 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%90+21.8Value 14%100+14.1Replies to reviews 7%92+6.5Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.95 | $337 |
| 5 |  Simple Steam Carpet Cleaning KirklandSeattle, WA | A 94How 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%98+23.8Value 14%100+14.1Replies to reviews 7%51+3.6Craft & service penalty93−0.7Experts Score= 94Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.95 | $287 |
| 6 |  Xtreme Clean Carpet CareSeattle, 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%97+23.5Value 14%100+14.1Replies to reviews 7%41+2.9Experts Score= 93Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.95 | $250 |
| 7 |  PureCleanSeattle, 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%93+22.5Value 14%100+14.1Replies to reviews 7%75+5.3Craft & service penalty96−0.4Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAB | 4.92 | $440 |
| 8 |  Alpine Specialty ServicesSeattle, 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%92+50.2Reliability 24%93+22.5Value 14%98+13.9Replies to reviews 7%54+3.8Craft & service penalty96−0.4Experts Score= 90Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.91 | $614 |
| 9 |  Zerorez Seattle Carpet CleaningSeattle, 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%87+47.5Reliability 24%90+21.8Value 14%100+14.1Replies to reviews 7%44+3.1Craft & service penalty81−1.9Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.86 | $377 |
| 10 |  Zerorez of Puget Sound Carpet CleaningSeattle, WA | A 80How 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%82+44.7Reliability 24%77+18.7Value 14%100+14.1Replies to reviews 7%73+5.2Craft & service penalty71−2.9Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABBAAB | 4.85 | $334 |
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”. |
|---|---|---|---|---|
| General carpet cleaning | $170 | $240 | $340 | 98% |
| Carpet steam cleaning | $176 | $253 | $371 | 99% |
| Pet stain & odor removal | $146 | $214 | $353 | 99% |
| Upholstery cleaning | $189 | $265 | $377 | 98% |
| Area rug cleaning | $176 | $277 | $459 | 98% |
| HVAC duct & vent cleaning | $497 | $705 | $988 | 98% |
| Deep clean | $271 | $347 | $460 | 98% |
| Standard cleaning | $153 | $189 | $247 | 98% |
| Carpet cleaning | $175 | $259 | $359 | 98% |
| Dryer vent cleaning | $18 | $37 | $78 | 99% |
| General housekeeping | $139 | $180 | $247 | 98% |
| Moving-related cleaning | $240 | $315 | $536 | 97% |
How the 10 carpet cleaning we rated in Seattle, WA compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
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 carpet cleaning in Seattle, WA average 5.0★ on Google across 17,352 reviews. Seattle Dryer Vent Cleaning has the top rating (5.0★), and Alpine Specialty Services has the most reviews (7,097). Updated November 5, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (17,352 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“I had my dryer and bathroom vents cleaned by Seattle Dryer Vent Cleaning, and I am very satisfied with the service. Richard arrived right on time, was extremely professional, and kept communication clear throughout…” — Google review
“Brian was our technician for our duct and vent cleaning. It was the first time we'd had this done since moving into our house. It's an older home, and we weren't sure when the vents were last cleaned. Brian…” — Google review
“John cleaned the carpets for two of my available units which both had previously rented to individuals with pets. Before john the apartments smelled like a bag of fritos. But as soon as we got those carpets cleaned…” — Google review
“Mikao was punctual, courteous, moved small odds and ends off carpet and the effect of shampoo was amazing without residual fragrance” — Google review
“Seriously, look no further for your carpet needs! At least twice, now, they’ve been able to fit me in during an emergency where I’d gotten water in my family room. They walked me through how to remediate, replaced my…” — Google review
“An angry cat started peeing on a spot of my carpet making the entire upstairs smell awful even after he stopped peeing there. 45 minutes of carpet cleaning later and the smell is gone and the carpets look amazing.…” — Google review
“We hired Alpine to clean our white couch and chairs. Their technician, Beck, advise us “the cleaning of the 15 year old furniture” may not be at the same level that we desired. We did a test, and he was right. We…” — Google review
“My technician Kris was kind as well as efficient. I was concerned about my cat during the carpet cleaning and he made sure I was all set and my kitty was okay. I love that my carpet is clean without any fragrance…” — Google review
“Daniel was so great. I highly recommend using this company :). Daniel answered all my questions, and took the time to explain things. Will def use them again.” — Google review
“Ryan did an excellent job of cleaning our carpet! He was efficient, thorough and very professional. We have used Zerorez for our carpet cleaning for 10 years and have never been disappointed with results! Highly…” — Google review
We scan Google Maps for carpet cleaning listings in and around Seattle, 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.
Seattle Dryer Vent Cleaning has the highest Google rating on our Seattle list: 5.0 out of 5 from 777 reviews (as of November 5, 2026).
Alpine Specialty Services has the most Google reviews among the companies listed here: 7,097, with a 4.9★ average.
Only open Seattle-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.
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Analyzing 8,659,3178.7M ReviewsFor 24,72224.7K Experts