56/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in McLean, VA (2026)
58 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in McLean: Shilling Septic, CR Score 56/100; 4.6★ from 19 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Home Service Pros - Quality Sewer & Drain, posts 24/7 hours; ranked #2 of 58.
- 9
Most-reviewed: My Plumber Plus, 7,642 Google reviews at 4.7★, the most of 58 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
58 McLean septic service companies are ranked here by CR Score, from ten published factors. 17 are open 24/7, 37 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.8★ across 58 rated businesses.
Top 10 septic service companies in McLean at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Shilling Septic | 56 | 4.6★ (19) | Lake Shore, 10 mi away | 24/7 | Overall |
| 2 | Home Service Pros - Quality Sewer & Drain | 56 | 5.0★ (181) | Springfield, 14 mi away | 24/7 | Emergencies |
| 3 | Home Service Pros - Quality Sewer & Drain | 56 | 4.8★ (80) | Arlington, 6 mi away | 24/7 | — |
| 4 | Five Star Septic Inc. | 56 | 4.2★ (136) | Sterling, 13 mi away | 24/7 | — |
| 5 | King & Sons Septic Service, LLC | 56 | 5.0★ (887) | Gaithersburg, 20 mi away | — | — |
| 6 | Morgal Plumbing, Sewer & Water Line Repair | 55 | 5.0★ (41) | Alexandria, 7 mi away | 24/7 | — |
| 7 | District Capital Services LLC | 55 | 4.9★ (269) | Washington, D.C., 10 mi away | 24/7 | — |
| 8 | The Drain Fighter - Jetting & Drain Cleaning | 54 | 4.9★ (484) | Washington, D.C., 15 mi away | 24/7 | — |
| 9 | My Plumber Plus | 54 | 4.7★ (7,642) | Manassas, 19 mi away | Sat · Sun · Evenings | Most reviews |
| 10 | Leigh & Sons Liquid Waste Removal | 54 | 5.0★ (4) | North Potomac, 13 mi away | 24/7 | — |
The 58 best septic service companies in McLean, 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 Springfield, 14 mi away
56/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 181 Google reviews, listed on Google as “Plumber”.
Based in Arlington, 6 mi away
56/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Plumber”.
Based in Sterling, 13 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.2★ from 136 Google reviews, listed on Google as “Septic system service”.
Based in Gaithersburg, 20 mi away
56/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 887 Google reviews, listed on Google as “Septic system service”.
Based in Alexandria, 7 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
Based in Washington, D.C., 10 mi away
55/100CR ScoreRanked #7 because of its Google rating and review volume: 4.9★ from 269 Google reviews.
Based in Washington, D.C., 15 mi away
54/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 484 Google reviews.
Based in Manassas, 19 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 7,642 Google reviews, the most in McLean.
Based in North Potomac, 13 mi away
54/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
#11 B.L. James & Son
Based in Arlington, 5 mi away
53/100CR ScoreRanked #11 because of its Google rating and review volume: 4.9★ from 383 Google reviews.
Based in Waldorf, 25 mi away
53/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Septic system service”.
Based in Damascus, 15 mi away
53/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Septic system service”.
Based in Manassas Park, 18 mi away
53/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Septic system service”.
#15 Sams Creek
Based in Eldersburg, 10 mi away
53/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Septic system service”.
Based in Alexandria, 11 mi away
53/100CR ScoreRanked #16 because of its Google rating and review volume: 4.7★ from 159 Google reviews.
#17 c6 Environmental
Based in Edgewood, 10 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Fairfax, 10 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 25 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.2★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Burke, 9 mi away
52/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 464 Google reviews.
#21 Your 1 Plumber
Based in Germantown, 17 mi away
51/100CR ScoreRanked #21 because of its Google rating and review volume: 4.6★ from 314 Google reviews.
#22 Septic star dmv
Based in Dale City, 20 mi away
51/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Gainesville, 25 mi away
51/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 70 Google reviews, listed on Google as “Septic system service”.
Based in Manassas, 23 mi away
51/100CR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 687 Google reviews.
Based in Manassas, 23 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 151 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 58 ranked septic service companies here; the rest are on their profiles.
Also serving McLean
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 |
|---|---|---|
| Abbott's Septic Repair | 5.0★ (2) | 15 mi |
| Adams-Liming Septic Tank Services | 13 mi | |
| AITS Septic Repair Services | 12 mi | |
| Aits Septic Services Inc | 3.0★ (1) | 20 mi |
| American Septic Services | 5.0★ (2) | 18 mi |
| B&C Sewer and Drains Inc | 15 mi | |
| Clinton Sewer Expert, Inc. | 14 mi | |
| EA Plumbing - Residential Plumbing Repair Contractor, Pipe and Sewer Repair in Manassas, VA | 5.0★ (1) | 21 mi |
| Hoovers Tank and Drain | 5.0★ (1) | 20 mi |
| J & L Plumbing | 5.0★ (2) | 7 mi |
| King & Sons Inc LLC | 1.0★ (1) | 12 mi |
| Monticello Well Pump Services | 5.0★ (2) | 13 mi |
| Nova Liquid Enviornmental | 13 mi | |
| Plumbing - Clogged Drains & Sewer Pipes | 5.0★ (1) | 14 mi |
| Rei Drayco | 3.0★ (1) | 18 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 10 mi |
| Septic Locator | 11 mi | |
| Top Tier Trenchless Sewer and Water Line Repair | 5.0★ (1) | 16 mi |
| Vienna Septic Tank Services | 3.0★ (2) | 20 mi |
| Virginia Septic | 5.0★ (2) | 10 mi |
How we ranked McLean septic service companies
We scored 58 McLean 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 McLean 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 McLean: frequently asked questions
Who is the best septic service company in McLean?
By CR Score, the highest-ranked septic service company in McLean, VA is Shilling Septic with a CR Score of 56/100. It has 4.6★ from 19 Google reviews. It is open 24/7. Home Service Pros - Quality Sewer & Drain (#2) and Home Service Pros - Quality Sewer & Drain (#3) follow. We ranked 58 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in McLean?
ContractorsRanked ranks 58 septic service companies serving McLean, VA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in McLean are open 24/7?
17 ranked septic service companies in McLean post 24/7 hours. The highest-ranked are Shilling Septic (#1), Home Service Pros - Quality Sewer & Drain (#2) and Home Service Pros - Quality Sewer & Drain (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in McLean work on weekends?
37 of 58 ranked septic service companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are Shilling Septic (#1), Home Service Pros - Quality Sewer & Drain (#2) and Home Service Pros - Quality Sewer & Drain (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do McLean septic service companies have?
The median Google rating among 58 rated septic service companies in McLean is 4.8★, with a median of 32 reviews. My Plumber Plus has the most, 7,642 reviews, and ranks #9. 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 McLean count in this ranking?
Yes, if they are within 25 mi of the McLean 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 McLean
- November 2026: CR Scores recalculated for 58 septic service companies serving McLean.
- November 2026: 1 duplicate listing merged.
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