61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Frisco, TX (2026)
57 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Frisco: Underwood Plumbing and Septic, CR Score 61/100; 4.9★ from 176 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Royal Flush Septic, Inc., posts 24/7 hours; ranked #2 of 57.
- 4
Most-reviewed: Bacon Plumbing Heating Air Electric, 1,821 Google reviews at 4.9★, the most of 57 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
57 Frisco septic service companies are ranked here by CR Score, from ten published factors. 25 are open 24/7, 38 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 57 rated businesses.
Top 10 septic service companies in Frisco at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Underwood Plumbing and Septic | 61 | 4.9★ (176) | McKinney, 11 mi away | 24/7 | Overall |
| 2 | Royal Flush Septic, Inc. | 61 | 4.8★ (161) | Allen, 10 mi away | 24/7 | Emergencies |
| 3 | TCS Grease Trap Cleaners | 59 | 5.0★ (63) | Irving, 13 mi away | 24/7 | — |
| 4 | Bacon Plumbing Heating Air Electric | 59 | 4.9★ (1,821) | Plano, 12 mi away | 24/7 | Most reviews |
| 5 | Heartland Grease & Septic | 59 | 5.0★ (77) | Dallas, 16 mi away | 24/7 | — |
| 6 | Kissee Inspection Services | 58 | 4.9★ (928) | Frisco | Sat · Evenings | — |
| 7 | Mr. Rooter Plumbing of Farmers Branch | 57 | 4.7★ (1,550) | Farmers Branch, 15 mi away | 24/7 | — |
| 8 | Total Septic | 57 | 4.9★ (86) | Dallas, 10 mi away | Sat | — |
| 9 | HomeField Collin County | 56 | 5.0★ (79) | McKinney, 13 mi away | Sat · Evenings | — |
| 10 | Integrity Septic Services | 56 | 4.6★ (150) | Denton, 25 mi away | 24/7 | — |
The 57 best septic service companies in Frisco, 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 Allen, 10 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 161 Google reviews, listed on Google as “Septic system service”.
Based in Irving, 13 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Septic system service”.
Based in Plano, 12 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 1,821 Google reviews, the most in Frisco.
Based in Dallas, 16 mi away
59/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Septic system service”.
Based in Frisco
58/100CR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 928 Google reviews.
Based in Farmers Branch, 15 mi away
57/100CR ScoreRanked #7 because of its Google rating and review volume: 4.7★ from 1,550 Google reviews.
#8 Total Septic
Based in Dallas, 10 mi away
57/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Septic system service”.
Based in McKinney, 13 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Septic system service”.
Based in Denton, 25 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.6★ from 150 Google reviews, listed on Google as “Septic system service”.
Based in Dallas, 22 mi away
56/100CR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 241 Google reviews.
Based in Edmonton, 23 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Septic system service”.
Based in Grapevine, 21 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Septic system service”.
Based in Allen, 10 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Dallas, 19 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Plano, 10 mi away
54/100CR ScoreRanked #16 because of its Google rating and review volume: 4.7★ from 145 Google reviews.
Based in Princeton, 20 mi away
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.4★ from 29 Google reviews, listed on Google as “Septic system service”.
Based in Denton, 20 mi away
53/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.
Based in Dallas, 20 mi away
53/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 55 Google reviews, listed on Google as “Plumber”.
Based in Addison, 12 mi away
53/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Dallas, 17 mi away
53/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Septic system service”.
Based in Highland Village, 14 mi away
53/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 66 Google reviews, listed on Google as “Septic system service”.
Based in Carrollton, 8 mi away
52/100CR ScoreRanked #23 because of its Google rating and review volume: 4.4★ from 245 Google reviews.
Based in Southlake, 23 mi away
52/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Plumber”.
Based in Little Elm, 17 mi away
52/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 23 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 57 ranked septic service companies here; the rest are on their profiles.
Also serving Frisco
11 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 |
|---|---|---|
| CoolVu of Addison - Commercial & Home Window Tint | In Frisco | |
| Greater Dallas Septic Pros & Repairs | 24 mi | |
| green line septic | 20 mi | |
| Lowe's Home Improvement | 4.1★ (1,859) | In Frisco |
| Mother Modern Plumbing, Sewer & Drain | 9 mi | |
| Southwest Fluid Connectors Inc | 5.0★ (2) | 12 mi |
| Texas Green Plumbing | 15 mi | |
| The Home Depot | 4.1★ (1,856) | In Frisco |
| The Sewer Inspection Company, LLC | 1.0★ (1) | 15 mi |
| United Septic & Maintenance | 5.0★ (2) | 25 mi |
| White Septic Tank, Inc. | 19 mi |
How we ranked Frisco septic service companies
We scored 57 Frisco 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 Frisco 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 Frisco: frequently asked questions
Who is the best septic service company in Frisco?
By CR Score, the highest-ranked septic service company in Frisco, TX is Underwood Plumbing and Septic with a CR Score of 61/100. It has 4.9★ from 176 Google reviews. It is open 24/7. Royal Flush Septic, Inc. (#2) and TCS Grease Trap Cleaners (#3) follow. We ranked 57 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Frisco?
ContractorsRanked ranks 57 septic service companies serving Frisco, TX. 1 of them is based in Frisco; the rest serve it from nearby towns. Another 11 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Frisco are open 24/7?
25 ranked septic service companies in Frisco post 24/7 hours. The highest-ranked are Underwood Plumbing and Septic (#1), Royal Flush Septic, Inc. (#2) and TCS Grease Trap Cleaners (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Frisco work on weekends?
38 of 57 ranked septic service companies post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are Underwood Plumbing and Septic (#1), Royal Flush Septic, Inc. (#2) and TCS Grease Trap Cleaners (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Frisco septic service companies have?
The median Google rating among 57 rated septic service companies in Frisco is 4.9★, with a median of 49 reviews. Bacon Plumbing Heating Air Electric has the most, 1,821 reviews, and ranks #4. 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 Frisco count in this ranking?
Yes, if they are within 25 mi of the Frisco 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 Frisco
- November 2026: CR Scores recalculated for 57 septic service companies serving Frisco.
More septic service companies and Frisco pages
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