The Best Steam Cleaning Services in San Anselmo, CA
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 52,647 Google reviews of 71 top-rated steam cleaning services nationwide; 9 of them in San Anselmo, CA. Updated November 9, 2026.
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Best steam cleaning services in San Anselmo for HVAC duct & vent cleaning
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Stanley SteemerHow Job match is calculatedBuilt only from reviews Google tagged “HVAC duct & vent cleaning”:Stars on this job 55%5.00★Number of such jobs 25%11Overall Experts Score 20%85Job match= 94Stars are pulled toward the category average (4.91★) when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.94Job match = this company’s ★ on reviews Google tagged “HVAC duct & vent cleaning” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.
What customers said about HVAC duct & vent cleaning
Stanley SteemerDryer vent cleaning: Marcelino and Roberto were great. I have a very unusual bent architecture - my dryer sits under a countertop in the central part of our downstairs, with a vent that run up and out through the roof. With this uncommon configuration, rather than giving up, the guys did a lengthy troubleshooting…
Stanley SteemerBoth Kyle and Roberto were very professional, good communication, checked their work, showed photos, and were friendly.
Stanley SteemerI scheduled Stanley Steemer because they are well known for professional carpet cleaning and air duct cleaning services. My air duct system is massive! Kyle and Roberto spent 3 hours (excluding prep) to restore my HVAC 8 air duct system to their particle and air pollutant free state. I can literally smell the…
Stanley SteemerEasy to book, fairly priced, professional service! Roberto and Juan arrived promptly to clean our HVAC and dryer vents thoroughly. It had been years since we last did this and they did a great job. Nice guys!
Stanley SteemerThe workers were pleasant and explained things well - including pictures. They also vacuumed everything and left it in a clean, usable state.
Stanley SteemerI live in an area where finding parking spaces is always difficult. The guys arrived 10 minutes early; the scheduled time was 1:00 and my doorbell rang at 12:50. I love that!! The guys were professional and respectful of my patio and patio furniture; quietly took care of business and left after cleaning up. I…
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 steam cleaning 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). |
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| 1 |  Fresh Home Cleaning CareSan Anselmo, CA | 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. | AA–AA– | 5.00 | $350 |
| 2 |  Organic Cleaning SupremeSan Anselmo, CA | 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%97+56.9Reliability 26%98+25.6Value 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– | 4.98 | — |
| 3 |  Alex's Dry Cleaning ValetSan Anselmo, CA | 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 64%96+61Reliability 28%93+26.3Replies to reviews 8%86+7.1Experts Score= 94Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAA–AA | 4.93 | — |
| 4 |  Oxi Fresh Carpet CleaningSan Anselmo, CA | A 89How 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%90+49.1Reliability 24%91+22.1Value 14%100+14.1Replies to reviews 7%55+3.9Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAC | 4.89 | $189 |
| 5 | Max Carpet & Upholstery CleaningSan Anselmo, CA | A 89How 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%99+24Value 14%100+14.1Replies to reviews 7%17+1.2Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAF | 4.91 | — |
| 6 |  Lupita's House CleaningSan Anselmo, CA | A 89How 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%92+22.3Value 14%100+14.1Replies to reviews 7%87+6.2Craft & service penalty77−2.3Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AABAAA | 4.86 | $315 |
| 7 | Stanley SteemerSan Anselmo, CA | 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%90+49.1Reliability 24%87+21.1Value 14%88+12.4Replies to reviews 7%74+5.2Craft & service penalty76−2.4Experts Score= 85Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AABAAB | 4.86 | $406 |
| 8 |  San Rafael CA Pro Green Carpet CleaningSan Anselmo, CA | B 77How 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%93+22.5Value 14%25+3.5Replies to reviews 7%54+3.8Craft & service penalty50−5Experts Score= 77Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AACDAC | 4.89 | — |
| 9 |  Green Team Carpet CleanSan Anselmo, CA | B 76How 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%77+42Reliability 24%62+15Value 14%100+14.1Replies to reviews 7%83+5.9Momentum penalty91−0.9Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAAAA | 4.78 | — |
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”. |
|---|---|---|---|---|
| General carpet cleaning | $164 | $240 | $353 | 97% |
| Carpet steam cleaning | $176 | $265 | $397 | 97% |
| Pet stain & odor removal | $207 | $268 | $404 | 98% |
| Upholstery cleaning | $196 | $271 | $371 | 98% |
| Area rug cleaning | $164 | $253 | $440 | 98% |
| HVAC duct & vent cleaning | $614 | $809 | $1.1k | 97% |
| Deep clean | $265 | $384 | $614 | 97% |
| Standard cleaning | $153 | $176 | $214 | 100% |
| Carpet cleaning | $176 | $287 | $435 | 98% |
| Moving-related cleaning | $263 | $403 | $447 | 98% |
| Interior & exterior window cleaning | $163 | $224 | $298 | 99% |
| Mattress cleaning | $131 | $164 | $322 | 100% |
Steam Cleaning Services in San Anselmo, CA at a glance
How the 9 steam cleaning services we rated in San Anselmo, CA compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A778%
- Grade B222%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up444%
- 4.80–4.89★444%
- 4.60–4.79★111%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality12,66422%
- Professionalism13,17923%
- Responsiveness10,76319%
- Punctuality11,64420%
- Value9,41416%
Was the price fair?
All price verdicts left with reviews.
- Great price2,30031%
- Reasonable4,65263%
- Overpriced1883%
- Not sure2624%
Price verdicts by year
Share calling it great / reasonable / overpriced.
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.