65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 118 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 Cambridge, MD (2026)
12 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Cambridge: Harman's Septic Care, CR Score 65/100; 4.9★ from 118 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Brummel Septic Service, posts 24/7 hours; ranked #2 of 12.
- 4
Most-reviewed: Chesapeake Inspection Services, 443 Google reviews at 4.9★, the most of 12 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
12 Cambridge septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 9 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 12 rated businesses.
Top 10 septic service companies in Cambridge at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Harman's Septic Care | 65 | 4.9★ (118) | Cambridge | 24/7 | Overall |
| 2 | Brummel Septic Service | 65 | 5.0★ (86) | Cambridge | 24/7 | Emergencies |
| 3 | JC Septic | 62 | 5.0★ (174) | Salisbury, 19 mi away | 24/7 | — |
| 4 | Chesapeake Inspection Services | 59 | 4.9★ (443) | Salisbury, 23 mi away | Sat · Evenings | Most reviews |
| 5 | Mr. Rooter Mid-Shore | 57 | 4.7★ (31) | Easton, 23 mi away | 24/7 | — |
| 6 | Livingston Septic Service Inc | 56 | 4.7★ (6) | Easton, 13 mi away | 24/7 | — |
| 7 | Concepts in building septic installs and pumps | 54 | 4.7★ (22) | California, 25 mi away | Sat · Sun | — |
| 8 | CHT Excavating w/ Tyler Septic Service & Installation | 52 | 5.0★ (7) | Easton, 16 mi away | 24/7 | — |
| 9 | HarborScapes Lawn Service & Landscaping | 48 | 5.0★ (10) | Salisbury, 25 mi away | 24/7 | — |
| 10 | Still Water Septic Services | 48 | 1.0★ (4) | Lexington Park, 24 mi away | — | — |
The 12 best septic service companies in Cambridge, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Cambridge
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 86 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#3 JC Septic
Based in Salisbury, 19 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 174 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salisbury, 23 mi away
59/100CR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 443 Google reviews, the most in Cambridge.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 23 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 13 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ 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 California, 25 mi away
54/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Easton, 16 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salisbury, 25 mi away
48/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lexington Park, 24 mi away
48/100CR ScoreRanked #10 because of its Google rating and trade focus: 1.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#11 JL Land Services
Based in Salisbury, 22 mi away
44/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Seaford, 25 mi away
43/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Well drilling contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Also serving Cambridge
2 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 |
|---|---|---|
| Bryan & Sons LLC | 5.0★ (2) | 13 mi |
| Duvall Brothers | 5.0★ (2) | 16 mi |
How we ranked Cambridge septic service companies
We scored 12 Cambridge 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 Cambridge 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 Cambridge: frequently asked questions
Who is the best septic service company in Cambridge?
By CR Score, the highest-ranked septic service company in Cambridge, MD is Harman's Septic Care with a CR Score of 65/100. It has 4.9★ from 118 Google reviews. It is open 24/7. Brummel Septic Service (#2) and JC Septic (#3) follow. We ranked 12 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Cambridge?
ContractorsRanked ranks 12 septic service companies serving Cambridge, MD. 2 of them are based in Cambridge; the rest serve it from nearby towns. Another 2 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Cambridge are open 24/7?
7 ranked septic service companies in Cambridge post 24/7 hours. The highest-ranked are Harman's Septic Care (#1), Brummel Septic Service (#2) and JC Septic (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Cambridge work on weekends?
9 of 12 ranked septic service companies post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Harman's Septic Care (#1), Brummel Septic Service (#2) and JC Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Cambridge septic service companies have?
The median Google rating among 12 rated septic service companies in Cambridge is 4.9★, with a median of 16 reviews. Chesapeake Inspection Services has the most, 443 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 Cambridge count in this ranking?
Yes, if they are within 25 mi of the Cambridge 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 Cambridge
- November 2026: CR Scores recalculated for 12 septic service companies serving Cambridge.
More septic service companies and Cambridge pages
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