57/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 12,904 Google reviews, the most in Lafayette.
Best Septic Service Companies in Lafayette, CO (2026)
70 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lafayette: AAA Service Plumbing, Heating & Electric, CR Score 57/100; 4.8★ from 12,904 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Suc N Up LLC, posts 24/7 hours; ranked #2 of 70.
- 11
Most-reviewed: Mr. Rooter Plumbing of Denver, 2,079 Google reviews at 4.7★, the most of 70 ranked after AAA Service Plumbing, Heating & Electric; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
70 Lafayette septic service companies are ranked here by CR Score, from ten published factors. 26 are open 24/7, 45 open Saturdays and 32 open Sundays, based on posted hours. The median Google rating is 4.8★ across 70 rated businesses.
Top 10 septic service companies in Lafayette at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AAA Service Plumbing, Heating & Electric | 57 | 4.8★ (12,904) | Golden, 19 mi away | 24/7 | Overall |
| 2 | Suc N Up LLC | 56 | 4.5★ (131) | Longmont, 16 mi away | 24/7 | Emergencies |
| 3 | All Sewer and Plumbing Services LLC | 56 | 4.9★ (172) | Westminster, 10 mi away | 24/7 | — |
| 4 | King Rooter & Plumbing | Plumber Boulder, CO | Drain Cleaning | Sewer & Water Line | Tankless Water Heater Repair | 56 | 4.9★ (190) | Boulder, 10 mi away | 24/7 | — |
| 5 | Garvin's Plumbing and Sewer | 56 | 4.9★ (66) | Broomfield, 6 mi away | 24/7 | — |
| 6 | American Plumbing & Sewer | 55 | 5.0★ (241) | Fort Collins, 10 mi away | Sat · Sun | — |
| 7 | Garvin's Plumbing and Sewer | 54 | 4.8★ (815) | Englewood, 23 mi away | 24/7 | — |
| 8 | Triple S Sanitary Sewer Services LLC | 54 | 4.9★ (245) | Denver, 13 mi away | 24/7 | — |
| 9 | Colorado Pumping | 54 | 5.0★ (111) | Aurora, 19 mi away | 24/7 | — |
| 10 | King Rooter & Plumbing | Plumbers Denver, CO | Drain Cleaning | Sewer & Water Line | Tankless Water Heater Repair | 54 | 4.7★ (479) | Denver, 20 mi away | 24/7 | — |
The 70 best septic service companies in Lafayette, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Suc N Up LLC
Based in Longmont, 16 mi away
56/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.5★ from 131 Google reviews, listed on Google as “Septic system service”.
Based in Westminster, 10 mi away
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 172 Google reviews, listed on Google as “Plumber”.
Based in Boulder, 10 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 190 Google reviews, listed on Google as “Plumber”.
Based in Broomfield, 6 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Plumber”.
Based in Fort Collins, 10 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 241 Google reviews, listed on Google as “Plumber”.
Based in Englewood, 23 mi away
54/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 815 Google reviews.
Based in Denver, 13 mi away
54/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Plumber”.
Based in Aurora, 19 mi away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Septic system service”.
Based in Denver, 20 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 479 Google reviews, listed on Google as “Plumber”.
Based in Denver, 18 mi away
54/100CR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 2,079 Google reviews.
#12 TYCO Plumbing
Based in Boulder, 8 mi away
54/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 766 Google reviews.
Based in Denver, 17 mi away
53/100CR ScoreRanked #13 because of its Google rating and review volume: 4.8★ from 496 Google reviews.
Based in Wheat Ridge, 16 mi away
53/100CR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 363 Google reviews.
#15 AB Septic
Based in Arvada, 25 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Aurora, 17 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
Based in Fort Lupton, 16 mi away
53/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Septic system service”.
Based in Fort Collins, 24 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Septic system service”.
Based in Westminster, 12 mi away
52/100CR ScoreRanked #19 because of its Google rating and review volume: 4.6★ from 352 Google reviews.
Based in Commerce City, 16 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Plumber”.
Based in Commerce City, 17 mi away
52/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.8★ from 160 Google reviews, listed on Google as “Plumber”.
Based in Erie, 2 mi away
52/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.1★ from 17 Google reviews, listed on Google as “Septic system service”.
Based in Denver, 18 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Plumber”.
Based in Denver, 22 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Thornton, 20 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 70 ranked septic service companies here; the rest are on their profiles.
Also serving Lafayette
20 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 |
|---|---|---|
| A-Acme Sanitary & Sewer Services | 5.0★ (2) | 15 mi |
| AAR Sewer & Water - Lakewood | 21 mi | |
| AAR Sewer & Water - Thornton | 16 mi | |
| AB Septic | 5.0★ (1) | 10 mi |
| ABC Drain & Sewer Cleaning | 5.0★ (1) | 13 mi |
| American Sewer and Water | 5.0★ (1) | 12 mi |
| Coronado Excavation | 15 mi | |
| Elite Rooter Plumbers | 12 mi | |
| Integrity Water and Sewer LLC. | 11 mi | |
| KB Sewer & Drain Services LLC | 12 mi | |
| Ken Millette Plumbing, LLC | 14 mi | |
| Lewis Water & Sewer | 5.0★ (2) | 19 mi |
| Mario's Plumbing & Sewer Services | 25 mi | |
| MC Water And Sewer LLC | 24 mi | |
| McDonald Farms Enterprises Inc. | 5.0★ (1) | 15 mi |
| Mr. Preventative Sewer & Drain | 20 mi | |
| Poseidon Plumbing | 14 mi | |
| Sewer Inspections Colorado | 3.0★ (2) | 12 mi |
| Sewer Lines | 18 mi | |
| Sewer Lines Parker | 24 mi |
How we ranked Lafayette septic service companies
We scored 70 Lafayette 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 2, 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 Lafayette 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 Lafayette: frequently asked questions
Who is the best septic service company in Lafayette?
By CR Score, the highest-ranked septic service company in Lafayette, CO is AAA Service Plumbing, Heating & Electric with a CR Score of 57/100. It has 4.8★ from 12,904 Google reviews. It is open 24/7. Suc N Up LLC (#2) and All Sewer and Plumbing Services LLC (#3) follow. We ranked 70 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Lafayette?
ContractorsRanked ranks 70 septic service companies serving Lafayette, CO. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Lafayette are open 24/7?
26 ranked septic service companies in Lafayette post 24/7 hours. The highest-ranked are AAA Service Plumbing, Heating & Electric (#1), Suc N Up LLC (#2) and All Sewer and Plumbing Services LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Lafayette work on weekends?
45 of 70 ranked septic service companies post Saturday hours and 32 post Sunday hours. The highest-ranked open Saturdays are AAA Service Plumbing, Heating & Electric (#1), Suc N Up LLC (#2) and All Sewer and Plumbing Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Lafayette septic service companies have?
The median Google rating among 70 rated septic service companies in Lafayette is 4.8★, with a median of 32 reviews. AAA Service Plumbing, Heating & Electric has the most, 12,904 reviews, and ranks #1. 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 Lafayette count in this ranking?
Yes, if they are within 25 mi of the Lafayette 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 Lafayette
- November 2026: CR Scores recalculated for 70 septic service companies serving Lafayette.
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