The Best House Cleaning Services in Connecticut
We graded 9 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 28,781 Google reviews of 124 top-rated house cleaning services nationwide; 9 of them in Connecticut. 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.
Best house cleaning services in Connecticut for window washing
Clear ✕Not enough reviews tagged “Window washing” in this city to rank companies yet.
Job match = this company’s ★ on reviews Google tagged “Window washing” (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 window washing
No written reviews mention this job yet.
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 house 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 |  Mary's Cleaning Service CTGroton, CT | 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%99+58.1Reliability 26%97+25.3Value 15%95+14.5Experts 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 | $375 |
| 2 |  Westerly HousekeepingGroton, CT | A 97How 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+15.2Craft & service penalty97−0.3Experts Score= 97Not 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 | — |
| 3 |  Cleaning GeniesGroton, CT | A 91How 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%92+22.3Value 14%100+14.1Replies to reviews 7%84+5.9Experts Score= 91Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–AAA | 4.89 | $337 |
| 4 |  Perfect CleanGroton, CT | 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 59%90+52.8Reliability 26%86+22.4Value 15%100+15.2Experts Score= 90Not 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– | 4.90 | $350 |
| 5 |  Merry Maids of Eastern ConnecticutGroton, CT | A 88How 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%88+51.7Reliability 26%86+22.4Value 15%92+14Experts Score= 88Not 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– | 4.91 | $203 |
| 6 |  TRUEMAID CLEANINGGroton, CT | 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%82+44.7Reliability 24%89+21.6Value 14%55+7.8Replies to reviews 7%46+3.3Momentum penalty92−0.8Experts Score= 76Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–CAC | 4.84 | $224 |
| 7 |  Jac’s Cleaning ServiceGroton, CT | B 70How 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%75+40.9Reliability 24%63+15.3Value 14%100+14.1Replies to reviews 7%63+4.5Craft & service penalty83−1.7Momentum penalty70−3Experts Score= 70Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBAABB | 4.79 | — |
| 8 |  Orchid Maids Cleaning ServiceGroton, CT | B 66How 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%73+39.8Reliability 24%71+17.2Value 14%87+12.3Replies to reviews 7%63+4.5Craft & service penalty68−3.2Momentum penalty49−5.1Experts Score= 66Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBBACB | 4.77 | — |
| 9 |  Queen Bee Cleaning LLCGroton, CT | B 62How 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%66+36Reliability 24%49+11.9Value 14%81+11.5Replies to reviews 7%100+7.1Craft & service penalty79−2.1Momentum penalty72−2.8Experts Score= 62Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCBABA | 4.70 | $453 |
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”. |
|---|---|---|---|---|
| Standard cleaning | $158 | $196 | $253 | 98% |
| Deep clean | $277 | $359 | $471 | 96% |
| General housekeeping | $153 | $189 | $240 | 97% |
| Moving-related cleaning | $321 | $403 | $536 | 95% |
| General carpet cleaning | $96 | $209 | $254 | 98% |
| Interior & exterior window cleaning | $227 | $309 | $398 | 98% |
| Carpet steam cleaning | $139 | $183 | $247 | 98% |
| Office & workplace cleaning | $153 | $189 | $283 | 97% |
| Upholstery cleaning | $151 | $224 | $285 | 99% |
| HVAC duct & vent cleaning | $466 | $614 | $767 | 100% |
| Move-out cleaning | $301 | $374 | $614 | 91% |
House Cleaning Services in Connecticut at a glance
How the 9 house cleaning services we rated in Connecticut compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A556%
- Grade B444%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up444%
- 4.80–4.89★222%
- 4.60–4.79★333%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality5,75724%
- Professionalism5,64423%
- Responsiveness4,43818%
- Punctuality4,48018%
- Value3,92816%
Was the price fair?
All price verdicts left with reviews.
- Great price1,46430%
- Reasonable3,05363%
- Overpriced1443%
- Not sure1924%
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.