62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 84 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 Fort Collins, CO (2026)
39 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fort Collins: Crow Creek Septic Services, CR Score 62/100; 4.9★ from 84 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Lion Home Service, posts 24/7 hours; ranked #2 of 39.
- 2
Most-reviewed: Lion Home Service, 5,912 Google reviews at 4.7★, the most of 39 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Fort Collins septic service companies are ranked here by CR Score, from ten published factors. 15 are open 24/7, 26 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.8★ across 39 rated businesses.
Top 10 septic service companies in Fort Collins at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crow Creek Septic Services | 62 | 4.9★ (84) | Fort Collins | 24/7 | Overall |
| 2 | Lion Home Service | 61 | 4.7★ (5,912) | Fort Collins | 24/7 | Emergencies, Most reviews |
| 3 | Kuyper's Septic | 59 | 5.0★ (117) | Fort Collins | Sat | — |
| 4 | Boonstra Excavation LLC | 59 | 5.0★ (78) | Fort Collins | Sat | — |
| 5 | AAA Service Plumbing, Heating & Electric | 59 | 5.0★ (426) | Fort Collins | 24/7 | — |
| 6 | American Plumbing & Sewer | 59 | 5.0★ (241) | Fort Collins | Sat · Sun | — |
| 7 | Drain Doctors Sewer & Drain | 58 | 4.6★ (171) | Fort Collins | 24/7 | — |
| 8 | Sep-Tech | 56 | 5.0★ (21) | Fort Collins | Sat | — |
| 9 | Johnston Sanitation Services | 56 | 4.8★ (61) | Fort Collins | Evenings | — |
| 10 | Portable Restroom Solutions | 56 | 4.8★ (82) | Johnstown, 15 mi away | Sat · Sun · Evenings | — |
The 39 best septic service companies in Fort Collins, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Fort Collins
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.7★ from 5,912 Google reviews, the most in Fort Collins.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 117 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
59/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
59/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 426 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 241 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
58/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 171 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#8 Sep-Tech
Based in Fort Collins
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 61 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Johnstown, 15 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 82 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fort Collins
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ 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 Fort Collins
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.7★ 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 Firestone, 14 mi away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.5★ from 1,331 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berthoud, 18 mi away
52/100CR ScoreRanked #17 because of its Google rating and review volume: 4.6★ from 460 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.4★ 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 Fort Collins
51/100CR ScoreRanked #19 because of its Google rating and trade focus: 1.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
51/100CR ScoreRanked #20 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
51/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 13 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Collins
50/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Windsor, 14 mi away
50/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.2★ from 111 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Loveland, 19 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 1.8★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
All 39 septic service companies
#1 to #25 are shown in full above. Here are #26 to #39, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Stewart Pump Works | 49 | 5.0★ (8) | 13 mi |
| 27 | Royal T Rooter Service | 49 | 4.7★ (157) | 24 mi |
| 28 | Moose and Bear Excavation | 49 | 4.7★ (15) | In Fort Collins |
| 29 | American Sewer and Utilities | 48 | 5.0★ (10) | 14 mi |
| 30 | Relief Home Services, LLC | 47 | 4.2★ (32) | 12 mi |
| 31 | Legacy Excavation LLC | 47 | 5.0★ (15) | 22 mi |
| 32 | Schra Construction | 47 | 4.7★ (23) | 23 mi |
| 33 | Roto Rooter | 46 | 4.0★ (118) | 23 mi |
| 34 | Sullivan Septic & Excavating | 46 | 4.0★ (8) | 25 mi |
| 35 | AB Dirt Works, Inc. | 45 | 5.0★ (35) | 16 mi |
| 36 | Advanced Plumbing Services LLC | 44 | 4.5★ (11) | 11 mi |
| 37 | Buxman Excavating LLC | 43 | 5.0★ (4) | 17 mi |
| 38 | Brenner Builders, LLC /Aspen Concrete/Diamond Excavation | 42 | 5.0★ (3) | 14 mi |
| 39 | K2 Excavation | 41 | 5.0★ (4) | 20 mi |
Also serving Fort Collins
14 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 |
|---|---|---|
| all pro septic pumping | 5.0★ (2) | 15 mi |
| Colorado Trenchless | Sewer Line & Septic Repair | 5.0★ (1) | In Fort Collins |
| Greywater Inc | In Fort Collins | |
| Haystack Custom Ag. & Septic Service | 5.0★ (2) | 14 mi |
| J&J Construction Concepts | 17 mi | |
| Lion Home Service Greeley | 22 mi | |
| Lion Rooter & Sewer | 22 mi | |
| Mike's Property Service | In Fort Collins | |
| Rocky Mountain Septic Solutions | 5.0★ (2) | In Fort Collins |
| Sage Land Solutions LLC | 5.0★ (2) | In Fort Collins |
| Septic Services in Fort Collins | In Fort Collins | |
| Sewerooter Service | 5.0★ (2) | 24 mi |
| Top-Notch Plumbing, Heating & Air | 23 mi | |
| United Rentals - Reliable Onsite Services | 5.0★ (1) | 23 mi |
How we ranked Fort Collins septic service companies
We scored 39 Fort Collins 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 Fort Collins 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 Fort Collins: frequently asked questions
Who is the best septic service company in Fort Collins?
By CR Score, the highest-ranked septic service company in Fort Collins, CO is Crow Creek Septic Services with a CR Score of 62/100. It has 4.9★ from 84 Google reviews. It is open 24/7. Lion Home Service (#2) and Kuyper's Septic (#3) follow. We ranked 39 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Fort Collins?
ContractorsRanked ranks 39 septic service companies serving Fort Collins, CO. 20 of them are based in Fort Collins; the rest serve it from nearby towns. Another 14 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Fort Collins are open 24/7?
15 ranked septic service companies in Fort Collins post 24/7 hours. The highest-ranked are Crow Creek Septic Services (#1), Lion Home Service (#2) and AAA Service Plumbing, Heating & Electric (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Fort Collins work on weekends?
26 of 39 ranked septic service companies post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are Crow Creek Septic Services (#1), Lion Home Service (#2) and Kuyper's Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Fort Collins septic service companies have?
The median Google rating among 39 rated septic service companies in Fort Collins is 4.8★, with a median of 21 reviews. Lion Home Service has the most, 5,912 reviews, and ranks #2. 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 Fort Collins count in this ranking?
Yes, if they are within 25 mi of the Fort Collins 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 Fort Collins
- November 2026: CR Scores recalculated for 39 septic service companies serving Fort Collins.
More septic service companies and Fort Collins pages
Septic service companies near Fort Collins
- Septic service companies in Windsor, CO41 ranked
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