59/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 252 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Waukesha, WI (2026)
43 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Waukesha: Guardian Well & Septic Inspections, CR Score 59/100; 5.0★ from 252 Google reviews; open Saturdays until 1 PM.
- 2
Best for emergencies (open 24/7): Mr. Rooter Plumbing of Southeast WI, posts 24/7 hours; ranked #2 of 43.
- 14
Most-reviewed: Rozga Plumbing Corp., 742 Google reviews at 4.8★, the most of 43 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
43 Waukesha septic service companies are ranked here by CR Score, from ten published factors. 11 are open 24/7, 16 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 43 rated businesses.
Top 10 septic service companies in Waukesha at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Guardian Well & Septic Inspections | 59 | 5.0★ (252) | New Berlin, 17 mi away | Sat | Overall |
| 2 | Mr. Rooter Plumbing of Southeast WI | 58 | 4.6★ (625) | Brookfield, 6 mi away | 24/7 | Emergencies |
| 3 | Walter Stanley Septic | 58 | 4.5★ (57) | Waukesha | Sat | — |
| 4 | Herr Septic & Sewer | 57 | 4.9★ (35) | Oconomowoc, 9 mi away | — | — |
| 5 | MGA Sewer, Water & Gas Plumbing Contractor 24hr Emergency Services Available 7 Days A Week | 57 | 4.8★ (91) | Milwaukee, 13 mi away | 24/7 | — |
| 6 | Aero-Stream LLC | 56 | 4.8★ (108) | Hartland, 12 mi away | — | — |
| 7 | Sewer Ninjas | 56 | 5.0★ (287) | Brookfield, 9 mi away | — | — |
| 8 | C&C Pumps | 55 | 5.0★ (149) | Hartford, 18 mi away | 24/7 | — |
| 9 | Kienbaum Excavating & Septic, LLC | 55 | 4.9★ (12) | Waukesha | — | — |
| 10 | Rural Sanitation, Inc. | 55 | 4.9★ (153) | Slinger, 21 mi away | — | — |
The 43 best septic service companies in Waukesha, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Brookfield, 6 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 4.6★ from 625 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.5★ from 57 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 9 mi away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Milwaukee, 13 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 91 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartland, 12 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 108 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 Sewer Ninjas
Based in Brookfield, 9 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 287 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 C&C Pumps
Based in Hartford, 18 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Slinger, 21 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 153 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 9 mi away
54/100CR ScoreRanked #11 because of its Google rating and trade focus: 2.1★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 58 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Allis, 9 mi away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 742 Google reviews, the most in Waukesha.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wauwatosa, 12 mi away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.7★ from 148 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 11 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 27 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 16 mi away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 62 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hartland, 9 mi away
53/100CR ScoreRanked #19 because of its Google rating and review volume: 4.8★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 12 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Drainage service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 9 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oconomowoc, 15 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 9 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.2★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Muskego, 6 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Caledonia, 23 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 43 septic service companies
#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Dependable Sewer & Drain Cleaning | 52 | 4.5★ (74) | 14 mi |
| 27 | Professional Drain and Sewer | 51 | 4.8★ (24) | 17 mi |
| 28 | Schulteis Pumping LLC | 51 | 4.8★ (41) | 22 mi |
| 29 | MJ Schmitt Sanitation LLC | 51 | 4.8★ (16) | 18 mi |
| 30 | Bull's-Eye Sewer & Drain | 51 | 4.6★ (22) | 11 mi |
| 31 | Discount Drain & Sewer Cleaning | 50 | 4.0★ (8) | 16 mi |
| 32 | JRs Inspection Services | 50 | 4.9★ (18) | 21 mi |
| 33 | Septic tank pumping Ozaukee Washington Counties – Quality Removal | 50 | 4.7★ (13) | 19 mi |
| 34 | Lietzau Inc | 50 | 3.7★ (6) | 12 mi |
| 35 | silver speed sewer | 49 | 3.7★ (3) | 16 mi |
| 36 | Discount Drain & Sewer Cleaning | 49 | 3.7★ (12) | 15 mi |
| 37 | Lindner Bros Sewer & Excavating, Inc. | 49 | 5.0★ (7) | 5 mi |
| 38 | Feltner's Sewer & Drain Services | 48 | 4.0★ (23) | 17 mi |
| 39 | Visu-Sewer, LLC | 48 | 3.6★ (16) | 7 mi |
| 40 | Benjamin Franklin Plumbing | 48 | 5.0★ (13) | 25 mi |
| 41 | Fred's Sanitary Services | 47 | 4.2★ (82) | 12 mi |
| 42 | Tracey's Sewer & Drain Cleaning | 47 | 5.0★ (6) | 19 mi |
| 43 | Kerkman Bros. Construction Co., Inc. | 44 | 4.8★ (19) | 21 mi |
Also serving Waukesha
16 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| AAA Quality Sewer & Drain | 2.0★ (1) | 10 mi |
| ABC Plumbing, Sewer, Heating, Cooling & Electric | 4.0★ (1) | 11 mi |
| Accurate Sewer and Hydro | 15 mi | |
| American Sewer Parts & Cleaning | 11 mi | |
| Badgerland Soil Testing Inc | 4.5★ (2) | 8 mi |
| Consumer Plumbing Sewer-Drain | 5.0★ (2) | 21 mi |
| Eco Septic Tank Pumping Milwaukee | 14 mi | |
| Fixer Plumbing, Sewer and Drain Cleaning | 18 mi | |
| Hoefler Septic Service | 5.0★ (1) | 21 mi |
| Jaws Debris Catcher | 11 mi | |
| Milwaukee Septic System | 11 mi | |
| Quick Fix Septic | 14 mi | |
| Roto Rooter Plumbing & Drain Service | 9 mi | |
| Sunset Septic Services | 5.0★ (1) | 7 mi |
| United Rentals - Reliable Onsite Services | 3.0★ (2) | 16 mi |
| Yorkville Sewer Utility District | 24 mi |
How we ranked Waukesha septic service companies
We scored 43 Waukesha septic service companies on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Waukesha data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Septic service companies in Waukesha: frequently asked questions
Who is the best septic service company in Waukesha?
By CR Score, the highest-ranked septic service company in Waukesha, WI is Guardian Well & Septic Inspections with a CR Score of 59/100. It has 5.0★ from 252 Google reviews. It is open Saturdays until 1 PM. Mr. Rooter Plumbing of Southeast WI (#2) and Walter Stanley Septic (#3) follow. We ranked 43 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Waukesha?
ContractorsRanked ranks 43 septic service companies serving Waukesha, WI. 5 of them are based in Waukesha; the rest serve it from nearby towns. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Waukesha are open 24/7?
11 ranked septic service companies in Waukesha post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Southeast WI (#2), MGA Sewer, Water & Gas Plumbing Contractor 24hr Emergency Services Available 7 Days A Week (#5) and C&C Pumps (#8). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Waukesha work on weekends?
16 of 43 ranked septic service companies post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Guardian Well & Septic Inspections (#1), Mr. Rooter Plumbing of Southeast WI (#2) and Walter Stanley Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Waukesha septic service companies have?
The median Google rating among 43 rated septic service companies in Waukesha is 4.8★, with a median of 23 reviews. Rozga Plumbing Corp. has the most, 742 reviews, and ranks #14. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service company gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do septic service companies outside Waukesha count in this ranking?
Yes, if they are within 25 mi of the Waukesha city center, our service radius for septic service companies. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can septic service companies pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Waukesha
- November 2026: CR Scores recalculated for 43 septic service companies serving Waukesha.
More septic service companies and Waukesha pages
Septic service companies near Waukesha
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