#1
Williams Sewer & Drain, INC.
“Answers the phone promptly, polite and professional, scheduled me for the next day and kept me informed. Worked professionally and efficiently very happy.” — Google review
Experts Reviews · 2026 Ratings
The Best Drain Cleaning Services in Augusta-Richmond County, GA
We graded 10 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
$502typical jobMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range).
94%say the price was fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.
4.89★average ratingPlain average of every Google star rating we collected for these companies.
2%bad jobs (1–2★, 2 yrs)Share of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
From 60,452 Google reviews of 61 top-rated drain cleaning services nationwide; 10 of them in Augusta-Richmond County, GA. Updated November 9, 2026.
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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 drain 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 |  French Drain Specialists of AugustaAugusta-Richmond County, GA | A 99How 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%100+69.2Reliability 31%98+30.2Experts Score= 99Not 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. | AA––A– | 5.00 | — |
| 2 | Williams Sewer & Drain, INC.Augusta-Richmond County, GA | 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%99+58.1Reliability 26%98+25.6Value 15%89+13.5Experts 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. | AA–AA– | 4.98 | $454 |
| 3 |  Superior PlumbingAugusta-Richmond County, GA | 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 59%95+55.8Reliability 26%89+23.2Value 15%100+15.2Experts Score= 94Not 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– | 4.95 | $443 |
| 4 |  Maxwells Plumbing & DrainAugusta-Richmond County, GA | 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%90+21.8Value 14%93+13.2Replies to reviews 7%100+7.1Experts Score= 92Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.94 | $429 |
| 5 |  Universal PlumbingAugusta-Richmond County, GA | 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%90+21.8Value 14%88+12.4Replies to reviews 7%86+6.1Craft & service penalty96−0.4Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAAA | 4.90 | $353 |
| 6 |  RickyJay PlumbingAugusta-Richmond County, GA | 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%93+50.7Reliability 24%92+22.3Value 14%66+9.3Replies to reviews 7%100+7.1Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–BAA | 4.93 | $322 |
| 7 |  Herrington's Drain Cleaning & Backflow MastersAugusta-Richmond County, GA | A 84How 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%92+58.4Reliability 28%67+18.9Replies to reviews 8%85+7Craft & service penalty99−0.1Experts Score= 84Not 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. | ABA––A | 4.94 | — |
| 8 |  Cassell Brothers Home ServicesAugusta-Richmond County, GA | 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 55%92+50.2Reliability 24%91+22.1Value 14%47+6.6Replies to reviews 7%100+7.1Momentum penalty76−2.4Experts Score= 83Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA–CBA | 4.92 | $529 |
| 9 |  Roto-Rooter Plumbing & Drain ServiceAugusta-Richmond County, GA | A 82How 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%79+19.2Value 14%93+13.2Replies to reviews 7%100+7.1Craft & service penalty76−2.4Experts Score= 82Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABBAAA | 4.76 | $506 |
| 10 | B 74How 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%79+43.1Reliability 24%76+18.4Value 14%80+11.3Replies to reviews 7%44+3.1Craft & service penalty78−2.2Experts Score= 74Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BBBAAC | 4.76 | $379 |
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”. |
|---|---|---|---|---|
| Plumbing pipe repair | $353 | $606 | $1.4k | 97% |
| Drain cleaning | $248 | $366 | $593 | 92% |
| Plumbing leak detection | $205 | $351 | $630 | 97% |
| Toilet repair | $239 | $379 | $680 | 93% |
| Plumbing leak repair | $248 | $432 | $793 | 96% |
| Water heater installation | $1.2k | $1.9k | $2.5k | 98% |
| Faucet repair | $228 | $366 | $585 | 93% |
| HVAC system maintenance | $37 | $166 | $406 | 96% |
| Faucet installation | $340 | $498 | $867 | 93% |
| Outdoor plumbing system repair | $366 | $731 | $1.6k | 99% |
| Water heater repair | $227 | $351 | $596 | 96% |
| Heating system maintenance | $54 | $227 | $454 | 100% |
Drain Cleaning Services in Augusta-Richmond County, GA at a glance
How the 10 drain cleaning services we rated in Augusta-Richmond County, GA compare, and what customers praise most.
Experts Score grades
A = score 80+, F = below 20.
- Grade A990%
- Grade B110%
- Grade C00%
- Grade D00%
- Grade F00%
Google ratings
Average stars per company.
- 4.90★ and up880%
- 4.80–4.89★00%
- 4.60–4.79★220%
- Below 4.60★00%
What customers praise
Share of Google review highlights.
- Quality12,88420%
- Professionalism15,32124%
- Responsiveness13,32321%
- Punctuality12,64920%
- Value8,69214%
Was the price fair?
All price verdicts left with reviews.
- Great price2,20524%
- Reasonable5,71461%
- Overpriced4765%
- Not sure89710%
Price verdicts by year
Share calling it great / reasonable / overpriced.
2025
2026
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.
The 10 best-rated drain cleaning services in Augusta-Richmond County, GA average 4.9★ on Google across 11,273 reviews. Williams Sewer & Drain, INC. has the top rating (5.0★), and Cassell Brothers Home Services has the most reviews (4,702). Updated November 8, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (11,273 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Cassell Brothers Home Services
“Austin had a very good manners! He was very respectfully communicative telling the options and always providing an update how the things were going! Absolutely, I will always recommend you guys! Price according due…” — Google review
#3
Universal Plumbing
“Discovered water on my garage floor and panicked. Realized it was coming from the corner with the hit water heater. Made a call to Universal Plumbing and their technician (Tony) was dispatched within the hour. Tony…” — Google review
#4
Maxwells Plumbing & Drain
“Chris and Addison from MPD did a fantastic job identifying and replacing my sewer pipe where roots had grown into it and caused a blockage. They were polite, respectful, and completely professional. They explained…” — Google review
#5
French Drain Specialists of Augusta
“Dustin and his crew were extremely helpful and more than professional during the installation of my french drain. I no longer have any issues with water coming into my carport.” — Google review
#6
RickyJay Plumbing
“Quest was very professional and courteous. We tried to figure out the issue and he handled the changing of the toilet seal well and we did get a few answers with his help.” — Google review
#7
Roto-Rooter Plumbing & Drain Service
“We have always had a good experience with Roto-Rooter! Broken water heater was replaced within the day! Trayce did a great job explaining everything and helping us think through our options.” — Google review
#8
Herrington's Drain Cleaning & Backflow Masters
“Jared was very professional and courteous. He completed the job quickly and took the time to explain what he had done. I highly recommend him” — Google review
#9
Superior Plumbing
“Bobby was awesome and very knowledgeable. He handled our needs for plumbing well and if we have plumbing needs in the future we plan to reach out. Thank you for sending him and give that man a raise along with the bonus.” — Google review
#10
Flow Pro Plumbing
“Chris was on time and quickly found the problem with the garbage disposal. Fast, friendly service. Excellent customer service from appointment through repair service. ⭐️⭐️⭐️⭐️⭐️” — Google review
How we pick drain cleaning services in Augusta-Richmond County
We scan Google Maps for drain cleaning service listings in and around Augusta-Richmond County, 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.
Frequently asked questions
Who is the highest-rated drain cleaning service in Augusta-Richmond County?
Williams Sewer & Drain, INC. has the highest Google rating on our Augusta-Richmond County list: 5.0 out of 5 from 212 reviews (as of November 8, 2026).
Which drain cleaning service in Augusta-Richmond County has the most reviews?
Cassell Brothers Home Services has the most Google reviews among the companies listed here: 4,702, with a 4.9★ average.
How are these drain cleaning services chosen?
Only open Augusta-Richmond County-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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