Ranked #1 in Washington, D.C.
Based in Washington, D.C.
Ranked #1 because of its Google rating and review volume: 4.9★ from 484 Google reviews.
52 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Washington, D.C.: The Drain Fighter - Jetting & Drain Cleaning, CR Score 61/100; 4.9★ from 484 Google reviews; open 24/7.
Best for emergencies (open 24/7): District Capital Services LLC, posts 24/7 hours; ranked #2 of 52.
Most-reviewed: King & Sons Septic Service, LLC, 887 Google reviews at 5.0★, the most of 52 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Washington, D.C. septic service companies are ranked here by CR Score, from ten published factors. 19 are open 24/7, 33 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Drain Fighter - Jetting & Drain Cleaning | 61 | 4.9★ (484) | Washington, D.C. | 24/7 | Overall |
| 2 | District Capital Services LLC | 59 | 4.9★ (269) | Washington, D.C. | 24/7 | Emergencies |
| 3 | Home Service Pros - Quality Sewer & Drain | 58 | 5.0★ (181) | Springfield, 14 mi away | 24/7 | — |
| 4 | Shilling septic | 58 | 5.0★ (103) | Baltimore, 24 mi away | 24/7 | — |
| 5 | King & Sons Septic Service, LLC | 58 | 5.0★ (887) | Gaithersburg, 24 mi away | — | Most reviews |
| 6 | Home Service Pros - Quality Sewer & Drain | 57 | 4.8★ (80) | Arlington, 5 mi away | 24/7 | — |
| 7 | RS Plumbing LLC | 57 | 5.0★ (51) | Davidsonville, 20 mi away | 24/7 | — |
| 8 | Morgal Plumbing, Sewer & Water Line Repair | 56 | 5.0★ (41) | Alexandria, 5 mi away | 24/7 | — |
| 9 | Southern Shores Septic & Excavating | 56 | 5.0★ (109) | Waldorf, 18 mi away | Sat | — |
| 10 | B.L. James & Son | 56 | 4.9★ (383) | Arlington, 3 mi away | Sat · Evenings | — |
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.
Ranked #1 in Washington, D.C.
Based in Washington, D.C.
Ranked #1 because of its Google rating and review volume: 4.9★ from 484 Google reviews.
Based in Washington, D.C.
Ranked #2 because of its Google rating and review volume: 4.9★ from 269 Google reviews.
Based in Springfield, 14 mi away
Ranked #3 because of its Google rating and review volume: 5.0★ from 181 Google reviews.
Based in Baltimore, 24 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Septic system service”.
Based in Gaithersburg, 24 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 887 Google reviews, the most in Washington, D.C..
Based in Arlington, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Plumber”.
Based in Davidsonville, 20 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Alexandria, 5 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
Based in Waldorf, 18 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Septic system service”.
Based in Arlington, 3 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 383 Google reviews.
Based in Lake Shore, 13 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Alexandria, 6 mi away
Ranked #12 because of its Google rating and review volume: 4.7★ from 159 Google reviews.
Based in Sterling, 21 mi away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 136 Google reviews, listed on Google as “Septic system service”.
Based in Crofton, 20 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Arnold, 21 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 163 Google reviews.
Based in Damascus, 20 mi away
Ranked #16 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, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Septic system service”.
Based in Eldersburg, 13 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Septic system service”.
Based in Bowie, 15 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Plumber”.
Based in Germantown, 23 mi away
Ranked #20 because of its Google rating and review volume: 4.6★ from 314 Google reviews.
Based in North Potomac, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Edgewood, 13 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Washington, D.C.
Ranked #23 because of its Google rating and review volume: 4.5★ from 53 Google reviews.
Based in Waldorf, 21 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Silver Spring, 15 mi away
Ranked #25 because of its Google rating and review volume: 5.0★ from 63 Google reviews.
#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 52 ranked septic service companies here; the rest are on their profiles.
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) | 20 mi |
| Aits Septic Services Inc | 3.0★ (1) | 22 mi |
| American Septic Services | 5.0★ (2) | 19 mi |
| B&C Sewer and Drains Inc | 7 mi | |
| Beetle Bayly Services | 1.0★ (1) | 24 mi |
| Clinton Sewer Expert, Inc. | 7 mi | |
| Ferguson Plumbing Supply | 4.2★ (87) | In Washington, D.C. |
| Hoovers Tank and Drain | 5.0★ (1) | 25 mi |
| J & L Plumbing | 5.0★ (2) | 11 mi |
| King & Sons Inc LLC | 1.0★ (1) | 15 mi |
| Lee's Septic Tank Services | 7 mi | |
| Lowe's Home Improvement | 4.0★ (2,536) | In Washington, D.C. |
| Monticello Well Pump Services | 5.0★ (2) | 21 mi |
| Plumbing - Clogged Drains & Sewer Pipes | 5.0★ (1) | 15 mi |
| Rei Drayco | 3.0★ (1) | 10 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 15 mi |
| Septic Locator | 5 mi | |
| Top Tier Trenchless Sewer and Water Line Repair | 5.0★ (1) | 21 mi |
| United Site Services | 1.0★ (2) | 22 mi |
| Virginia Septic | 5.0★ (2) | 16 mi |
We scored 52 Washington, D.C. 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 Washington, D.C. 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 |