House cleaning service · Corona, CA · reviewed since 2023
iHow 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%88+48Reliability 24%79+19.2Value 14%88+12.4Replies to reviews 7%86+6.1Momentum penalty76−2.4Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.83SCORE
AGradeiLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#26 of 33 commercial cleaning servicesiPosition by Experts Score among all companies we track in this category. · better than 22%
4.9★★★★★279 Google reviews · 22 photos
97%five-star reviews
4.78★last 12 monthsiAverage stars on reviews from the last 12 months only.
3.7%1–2★ in 2 yearsiShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
51%reviews answered by the owner
$309typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
Google reviewers rate CCS LLC 4.9 out of 5 based on 279 reviews, with the owner responding to 51 percent of them. Customers frequently praise the company for punctual arrivals, clear communication, and thorough results in move-out and deep cleaning services. However, low-star reviews highlight inconsistent service quality, missed details in specific areas, and instances of cleaners arriving late without prior notice.
Google rating: 4.9 out of 5 from 279 reviews (97% five-star).
Reviews on this page: 279 Google reviews (250 with written comments, 11 with photos).
Owner responses: the business replied to 51% of reviews.
Most recent review: October 20, 2026.
Service: Commercial Cleaning Service serving Corona, California.
Data from Google, last updated October 29, 2026.
Score profile vs other commercial cleaning services
Score per factor (100 = best)iEach factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and satisfaction; weakest: momentum.
CCS LLCCommercial Cleaning Services median0 = centre, 100 = best
SatisfactioniSatisfaction · 54% of the scoreRecency-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.CCS LLC: 88/100 on this factor. Category median: 93.A
88
ReliabilityiReliability · 24% of the scoreHow 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.CCS LLC: 79/100 on this factor. Category median: 93.B
79
Craft & serviceiCraft & service · penalty only, up to −10 pointsGoogle 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.CCS LLC: 100/100 on this factor. Category median: 99.A
100
ValueiValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.CCS LLC: 88/100 on this factor. Category median: 96.A
88
MomentumiMomentum · penalty only, up to −10 pointsPenalises 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.CCS LLC: 76/100 on this factor. Category median: 100.B
76
Replies to reviewsiReplies to reviews · 7% of the scoreHow 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.CCS LLC: 86/100 on this factor. Category median: 55.A
86
Bar = this company · dark tick = category median.
Star ratings
279 Google reviews we collected
4.9of 5
5 stars27197%
4 stars10%
3 stars00%
2 stars31%
1 star41%
Praise vs complaints
Phrases our text analysis found in 250 written reviews
98%praise
Praise48498%
Complaints92%
PriceiGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Price verdicts customers left with their Google review
96%fair
Great price1823%
Reasonable5672%
Overpriced34%
Not sure11%
$309+11% vs typical commercial cleaning services
Middle half of what 61 customers paid ($227–$377) · gold mark = category median.
Topic share
How often each topic comes up in the written reviews
7topics
Quality & results14028%
Staff & attitude9920%
Would recommend9319%
Speed & response8217%
Price & value326%
Communication265%
Honesty & trust214%
What customers talk about
We read 250 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.
“Gladys was very thorough and did everything I requested.”
“Absolutely terrible experience with Crystal Cleaners.”
“The cleaners were on time, very kind and considerate making sure I wouldn’t have allergies to their products, and went above and beyond.”
“I will use this company again when we need cleaning services!”
“Scheduling the service was very easy and efficient!”
“This was the first time I’ve used a cleaning service and I have to say the service provided was good and well worth it.”
“Customer service was very clear in the details of their services and were able to book me for the next day.”
“I highly recommend this company to anyone looking for reliable and high-quality cleaning services.”
“I hope others don’t get scammed if this happens to someone else.”
People customers mention
Crystal25 reviews
Clean6 reviews
Cleaning3 reviews
Gladys3 reviews
Alicia3 reviews
praise complaint · found by our text analysis, Google review wording unchanged.
Reviews for your job
Customers hired CCS LLC for 6 kinds of job. Pick one to see what they paid and said.
NN12 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a week ago★★★★★
Was in need of a move out clean for my mom’s place. Scheduling the service was very easy and efficient!
The cleaner arrived and cleaned well. My mom had 4 cats and after she finished cleaning, I could not smell the cats anymore. I will use this company again when we need cleaning services!
BB9 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★
CCS did a great job cleaning the entire house. We hired them as we were moving. They were timely and thorough. The new home owners were very excited to have such a clean house to move into. Thank you CCS!
Paid $400–450Great priceMoving-related cleaning
CCathyLocal Guide · 36 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★
Excellent service. I had the Deep Cleaning done & Gladys went above and beyond with cleaning my apartment. I was completely satisfied with her work. I will be using the service at CCS Cleaning for now on.
I recommend this Cleaning service.
Paid $200–250Reasonable priceDeep clean
LLoLo6 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · a month ago★★★★★
If I could give 20 stars, I would!! Customer service was very clear in the details of their services and were able to book me for the next day. The cleaners were on time, very kind and considerate making sure I wouldn’t have allergies to their products, and went above and beyond. I’ve been having severe allergies…
Paid $400–450Great priceDeep cleanService not listed
CCherrie2 reviewsiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★★
I e been using this cleaning service since 2024 and I absolutely love there work. Celine shows up on time every 2 weeks, she’s very professional, she brings all of her own equipment and is very meticulous with her cleaning
BBriana1 reviewiTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 2 months ago★★★★★
This was my first experience with a moving cleaning service, it was for my parents house and considering how many things they had just lying around for years keeping dust, the windows upstairs that no one maintained and such, it looked like a completely new house at the end!
Was in need of a move out clean for my mom’s place. Scheduling the service was very easy and efficient!
The cleaner arrived and cleaned well. My mom had 4 cats and after she finished cleaning, I could not smell the cats anymore. I will use this company again when we need cleaning services!
Price assessment: Reasonable price
Price: $350–400
Services: Moving-related cleaning
Response from the owner · a day ago
Thank you for trusting us with your mom’s move-out clean, N K. We’re glad scheduling was easy and that the team was able to remove the cat odors and leave the home ready for what’s next. We appreciate your recommendation and look forward to helping your family again. — The Crystal Clean Services team
M
Matthew Heynen4 reviewsiTotal number of Google reviews Matthew has written across all businesses on Google Maps, not just this one.
Crystal arranged the very best cleaning crew. Yomara came and cleaned the house so thoroughly. It smelled great for days after. We have a very large house and there was not a corner missed. AMAZING! Wonderful experience.
Response from the owner · a month ago
Thank you for your wonderful review! We're so happy to hear that Yomara did such a thorough job and that you loved the results. We'll be sure to share your kind words with her. We truly appreciate your trust in CCS Cleaning!
B
B Gray9 reviewsiTotal number of Google reviews B has written across all businesses on Google Maps, not just this one.
CCS did a great job cleaning the entire house. We hired them as we were moving. They were timely and thorough. The new home owners were very excited to have such a clean house to move into. Thank you CCS!
Price assessment: Great price
Price: $400–450
Services: Moving-related cleaning
Response from the owner · a month ago
Thank you for your kind review! We're so glad we could help make your move a little easier. We appreciate your trust in CCS and are happy to hear the new homeowners were excited to move into such a clean home. Best wishes in your new chapter!
V
Vivian Trujillo2 reviewsiTotal number of Google reviews Vivian has written across all businesses on Google Maps, not just this one.
Excellent service. I had the Deep Cleaning done & Gladys went above and beyond with cleaning my apartment. I was completely satisfied with her work. I will be using the service at CCS Cleaning for now on.
I recommend this Cleaning service.
Price assessment: Reasonable price
Price: $200–250
Services: Deep clean
Response from the owner · a month ago
Thank you for your thoughtful review Cathy! We're delighted to hear Gladys exceeded your expectations and made such a positive impression. We appreciate your trust and look forward to keeping it sparkling!
L
LoLo Of The Momo Dynasty6 reviewsiTotal number of Google reviews LoLo has written across all businesses on Google Maps, not just this one.
If I could give 20 stars, I would!! Customer service was very clear in the details of their services and were able to book me for the next day. The cleaners were on time, very kind and considerate making sure I wouldn’t have allergies to their products, and went above and beyond. I’ve been having severe allergies this season and my level of cleaning wasn’t cutting it. These cleaners went through all the vents and filters, even cleaning the window meshes, successfully removing the allergens. They even made my garage spotless. The house was cleaner than when I moved in and now I can finally sleep in my bed again! Not to mention, my home looks and smells like a posh hotel now! I will definitely use again and again!
Price assessment: Great price
Price: $400–450
Services: Deep clean, Service not listed
Response from the owner · a month ago
Thank you for such an incredible review! ✨ We're so happy we could help create a cleaner, healthier home for you. Your kind words mean the world to our team, and we look forward to serving you again!
M
Mariana De Zovi2 reviewsiTotal number of Google reviews Mariana has written across all businesses on Google Maps, not just this one.
The service was great, as well as the customer service. Dina was very kind and my house smelled and looked so good! Forever grateful for CCS
Price assessment: Great price
Services: Standard cleaning
Response from the owner · a day ago
Thank you, Mariana! We’re so glad Dina took such good care of your home and that everything looked and smelled fresh afterward. We’ll be sure to share your kind words with her. We appreciate you choosing CCS and look forward to your next visit. — The Crystal Clean Services team
C
Cherrie G2 reviewsiTotal number of Google reviews Cherrie has written across all businesses on Google Maps, not just this one.
I e been using this cleaning service since 2024 and I absolutely love there work. Celine shows up on time every 2 weeks, she’s very professional, she brings all of her own equipment and is very meticulous with her cleaning
Price assessment: Reasonable price
Price: $200–250
Services: Standard cleaning, General housekeeping
Response from the owner · a day ago
Cherrie, thank you for being with us since 2024 and for taking the time to recognize Celine. Showing up on time, bringing her own equipment, and cleaning with that level of detail is exactly the standard we want on every visit. We’re grateful for your trust and look forward to continuing to care for your home. — The Crystal Clean Services team
E
Emely Castro1 reviewiTotal number of Google reviews Emely has written across all businesses on Google Maps, not just this one.
I was happy with the service. I will use again the future.
Response from the owner · a day ago
Thank you, Emely! We’re happy to hear you were pleased with the service, and we appreciate you taking the time to share it. We look forward to helping you again whenever you need us. — The Crystal Clean Services team
