The Best Commercial Cleaning Services in South Lake Tahoe, CA
We graded 7 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 15,795 Google reviews of 67 top-rated commercial cleaning services nationwide; 7 of them in South Lake Tahoe, CA. Updated November 13, 2026.
Find the right company for your job
Pick the job — we re-rank companies by how customers rated that exact job.
Best commercial cleaning services in South Lake Tahoe for interior & exterior window cleaning
Clear ✕
A-1 Window CleaningHow Job match is calculatedBuilt only from reviews Google tagged “Interior & exterior window cleaning”:Stars on this job 55%5.00★Number of such jobs 25%33Overall Experts Score 20%100Job match= 98Stars are pulled toward the category average (4.89★) 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.98
BK CleaningHow Job match is calculatedBuilt only from reviews Google tagged “Interior & exterior window cleaning”:Stars on this job 55%5.00★Number of such jobs 25%3Overall Experts Score 20%98Job match= 78Stars are pulled toward the category average (4.89★) 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.78Job match = this company’s ★ on reviews Google tagged “Interior & exterior window 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 interior & exterior window cleaning
A-1 Window CleaningI have been using A-1 Window Cleaning for about 20 years. On my own house and construction cleaning. Josh is dependable and gets the job done.
BK Cleaning"I cannot recommend BK Cleaning enough! Brano and his team arrived right on time, fully prepared, and were exceptionally polite and respectful of our home. They paid incredible attention to the small details, like neatly folding the throw blankets and carefully dusting our delicate areas. Communication is seamless…
A-1 Window CleaningJosh and Isaiah did a spectacularjob in our windows. I'd have them back in a heartbeat!
A-1 Window CleaningA1 window cleaning is by far the best around South lake Tahoe. The two-person team was excellent. Very good quality control. Very friendly and a pleasure to work with
A-1 Window CleaningSpeedy and detailed work. Clean and professional. Thank you for a great job done!
A-1 Window CleaningExcellent window cleaning inside and out. They are so clean, it’s like the windows aren’t even there!
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 commercial 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). |
|---|---|---|---|---|---|
| 1 | A-1 Window CleaningSouth Lake Tahoe, 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. | AAAAA– | 5.00 | — |
| 2 | BK CleaningSouth Lake Tahoe, 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%98+57.5Reliability 26%95+24.8Value 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. | AA–AA– | 5.00 | $287 |
| 3 |  Epic CleanSouth Lake Tahoe, CA | 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%97+56.9Reliability 26%95+24.8Value 15%93+14.2Craft & service penalty97−0.3Experts 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. | AAAAA– | 5.00 | — |
| 4 |  Joanna's Cleaning CompanySouth Lake Tahoe, CA | 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 59%99+58.1Reliability 26%96+25Value 15%78+11.9Experts Score= 95Not 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–BA– | 5.00 | $362 |
| 5 |  Sunshine Cleaning ProsSouth Lake Tahoe, CA | A 83How 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%86+50.5Reliability 26%81+21.1Value 15%100+15.2Craft & service penalty99−0.1Momentum penalty60−4Experts Score= 83Not 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. | AAAAB– | 4.91 | — |
| 6 |  Sierra Cleaning ServicesSouth Lake Tahoe, CA | A 81How 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 69%84+58.2Reliability 31%75+23.1Experts Score= 81Not enough data for value, 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. | AB––A– | 4.85 | — |
| 7 |  Alpine Home ServicesSouth Lake Tahoe, CA | 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%85+46.4Reliability 24%77+18.7Value 14%92+13Replies to reviews 7%36+2.5Craft & service penalty98−0.2Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAD | 4.81 | — |
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 | $139 | $183 | $297 | 99% |
| Standard cleaning | $164 | $203 | $265 | 98% |
| Carpet steam cleaning | $158 | $227 | $327 | 99% |
| Deep clean | $315 | $377 | $497 | 98% |
| Area rug cleaning | $164 | $227 | $536 | 99% |
| Upholstery cleaning | $158 | $200 | $310 | 100% |
| General housekeeping | $164 | $200 | $285 | 97% |
| Moving-related cleaning | $313 | $384 | $477 | 95% |
Commercial Cleaning Services in South Lake Tahoe, CA at a glance
How the 7 commercial cleaning services we rated in South Lake Tahoe, CA compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A7100%
- Grade B00%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up571%
- 4.80–4.89★229%
- 4.60–4.79★00%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality3,80422%
- Professionalism4,01523%
- Responsiveness3,20318%
- Punctuality3,51120%
- Value2,82816%
Was the price fair?
All price verdicts left with reviews.
- Great price48333%
- Reasonable90361%
- Overpriced393%
- Not sure584%
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.