60/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.5★ from 131 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Frederick, CO (2026)
67 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Frederick: Suc N Up LLC, CR Score 60/100; 4.5★ from 131 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): All Sewer and Plumbing Services LLC, posts 24/7 hours; ranked #3 of 67.
- 17
Most-reviewed: Mr. Rooter Plumbing of Northern Colorado, 1,331 Google reviews at 4.5★, the most of 67 ranked; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Frederick septic service companies are ranked here by CR Score, from ten published factors. 24 are open 24/7, 42 open Saturdays and 29 open Sundays, based on posted hours. The median Google rating is 4.8★ across 67 rated businesses.
Top 10 septic service companies in Frederick at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Suc N Up LLC | 60 | 4.5★ (131) | Longmont, 8 mi away | 24/7 | Overall |
| 2 | American Plumbing & Sewer | 58 | 5.0★ (241) | Fort Collins, 9 mi away | Sat · Sun | — |
| 3 | All Sewer and Plumbing Services LLC | 56 | 4.9★ (172) | Westminster, 17 mi away | 24/7 | Emergencies |
| 4 | Black Diamond Pumping | 56 | 4.9★ (92) | Fort Lupton, 9 mi away | — | — |
| 5 | King Rooter & Plumbing | Plumber Boulder, CO | Drain Cleaning | Sewer & Water Line | Tankless Water Heater Repair | 56 | 4.9★ (190) | Boulder, 19 mi away | 24/7 | — |
| 6 | Portable Restroom Solutions | 56 | 4.8★ (82) | Johnstown, 19 mi away | Sat · Sun · Evenings | — |
| 7 | TYCO Plumbing | 56 | 5.0★ (766) | Boulder, 10 mi away | Sat · Evenings | — |
| 8 | Boonstra Excavation LLC | 55 | 5.0★ (78) | Fort Collins, 19 mi away | Sat | — |
| 9 | AB Septic | 55 | 5.0★ (15) | Arvada, 18 mi away | 24/7 | — |
| 10 | Garvin's Plumbing and Sewer | 55 | 4.9★ (66) | Broomfield, 15 mi away | 24/7 | — |
The 67 best septic service companies in Frederick, 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.
Based in Fort Collins, 9 mi away
58/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 241 Google reviews.
Based in Westminster, 17 mi away
56/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 172 Google reviews.
Based in Fort Lupton, 9 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 92 Google reviews, listed on Google as “Septic system service”.
Based in Boulder, 19 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 190 Google reviews.
Based in Johnstown, 19 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 82 Google reviews, listed on Google as “Septic system service”.
Based in Boulder, 10 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 766 Google reviews.
Based in Fort Collins, 19 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Septic system service”.
#9 AB Septic
Based in Arvada, 18 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Broomfield, 15 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Plumber”.
Based in Denver, 19 mi away
55/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 245 Google reviews.
#12 Colorado Pumping
Based in Aurora, 25 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “Septic system service”.
Based in Fort Collins, 4 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Berthoud, 17 mi away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 4.6★ from 460 Google reviews.
Based in Commerce City, 16 mi away
54/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Plumber”.
Based in Denver, 24 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.8★ from 496 Google reviews.
Based in Firestone, 25 mi away
53/100CR ScoreRanked #17 because of its Google rating and review volume: 4.5★ from 1,331 Google reviews, the most in Frederick.
Based in Wheat Ridge, 24 mi away
53/100CR ScoreRanked #18 because of its Google rating and review volume: 4.8★ from 363 Google reviews.
Based in Westminster, 20 mi away
53/100CR ScoreRanked #19 because of its Google rating and review volume: 4.6★ from 352 Google reviews.
Based in Commerce City, 22 mi away
53/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 160 Google reviews.
Based in Aurora, 21 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
Based in Golden, 23 mi away
52/100CR ScoreRanked #22 because of its Google rating and review volume: 4.8★ from 359 Google reviews.
Based in Denver, 22 mi away
52/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Plumber”.
Based in Aurora, 5 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Denver, 24 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Plumber”.
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 67 ranked septic service companies here; the rest are on their profiles.
Also serving Frederick
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-1 Septic Service | 20 mi | |
| A-Acme Sanitary & Sewer Services | 5.0★ (2) | 21 mi |
| AB Septic | 5.0★ (1) | 19 mi |
| ABC Drain & Sewer Cleaning | 5.0★ (1) | 11 mi |
| American Sewer and Water | 5.0★ (1) | 17 mi |
| Colorado Trenchless | Sewer Line & Septic Repair | 5.0★ (1) | 25 mi |
| Coronado Excavation | 20 mi | |
| Elite Rooter Plumbers | 20 mi | |
| Haystack Custom Ag. & Septic Service | 5.0★ (2) | 25 mi |
| Integrity Water and Sewer LLC. | 1 mi | |
| J&J Construction Concepts | 21 mi | |
| KB Sewer & Drain Services LLC | 19 mi | |
| Ken Millette Plumbing, LLC | In Frederick | |
| McDonald Farms Enterprises Inc. | 5.0★ (1) | 21 mi |
| Poseidon Plumbing | 10 mi | |
| Septic Hotline | 5.0★ (1) | In Frederick |
| Sewer Inspections Colorado | 3.0★ (2) | 17 mi |
| Sewer Lines | 13 mi | |
| Sewerooter Service | 5.0★ (2) | 25 mi |
| Top-Notch Plumbing, Heating & Air | 23 mi |
How we ranked Frederick septic service companies
We scored 67 Frederick 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 Frederick 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 Frederick: frequently asked questions
Who is the best septic service company in Frederick?
By CR Score, the highest-ranked septic service company in Frederick, CO is Suc N Up LLC with a CR Score of 60/100. It has 4.5★ from 131 Google reviews. It is open 24/7. American Plumbing & Sewer (#2) and All Sewer and Plumbing Services LLC (#3) follow. We ranked 67 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Frederick?
ContractorsRanked ranks 67 septic service companies serving Frederick, CO. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Frederick are open 24/7?
24 ranked septic service companies in Frederick post 24/7 hours. The highest-ranked are Suc N Up LLC (#1), All Sewer and Plumbing Services LLC (#3) and King Rooter & Plumbing | Plumber Boulder, CO | Drain Cleaning | Sewer & Water Line | Tankless Water Heater Repair (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Frederick work on weekends?
42 of 67 ranked septic service companies post Saturday hours and 29 post Sunday hours. The highest-ranked open Saturdays are Suc N Up LLC (#1), American Plumbing & Sewer (#2) and All Sewer and Plumbing Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Frederick septic service companies have?
The median Google rating among 67 rated septic service companies in Frederick is 4.8★, with a median of 32 reviews. Mr. Rooter Plumbing of Northern Colorado has the most, 1,331 reviews, and ranks #17. 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 Frederick count in this ranking?
Yes, if they are within 25 mi of the Frederick 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 Frederick
- November 2026: CR Scores recalculated for 67 septic service companies serving Frederick.
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