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Best Septic Service Companies in Highland, CA (2026)

81 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Highland: Clemmer Services, CR Score 60/100; 4.9★ from 126 Google reviews; license verified October 2026.

  2. 2

    Best for emergencies (open 24/7): Foureverfresh Septic & Sewer Solutions, posts 24/7 hours; ranked #2 of 81.

  3. 12

    Most-reviewed: Option One Plumbing, 3,017 Google reviews at 4.8★, the most of 81 ranked; ranked #12.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

81 Highland septic service companies are ranked here by CR Score, from ten published factors. 43 are open 24/7, 63 open Saturdays and 49 open Sundays, based on posted hours. 1 has an active state license we matched. The median Google rating is 4.8★ across 81 rated businesses.

Most of this list also appears on the Septic service companies in San Bernardino ranking. See Septic service companies in San Bernardino

Top 10 septic service companies in Highland at a glance

Top 10 septic service companies in Highland at a glance
RankBusinessCR ScoreGoogle ratingLicenseBased inHoursBest for
1Clemmer Services604.9★ (126)Verified Oct 2026Hesperia, 23 mi awaySatOverall
2Foureverfresh Septic & Sewer Solutions595.0★ (21)—San Bernardino, 6 mi away24/7Emergencies
3High Desert Septic584.8★ (40)—Victorville, 4 mi awaySat · Sun—
4Urgent Septic Solutions585.0★ (80)—Los Angeles, 18 mi away24/7—
5Henley's Plumbing & Air584.8★ (881)—San Bernardino, 5 mi away24/7—
6Mr. Rooter Plumbing of San Bernardino584.8★ (1,351)—Colton, 8 mi away24/7—
7On Site Septic & Grease Pumping584.9★ (72)—Riverside, 17 mi away24/7—
8Roto-Rooter Plumbers and Septic Service | Hesperia575.0★ (622)—Hesperia, 21 mi away24/7—
9Payless 4 Plumbing574.8★ (590)—San Bernardino, 6 mi away24/7—
10San Mina Engineering, Inc.575.0★ (20)—HighlandSat—

The 81 best septic service companies in Highland, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Highland

    #1 Clemmer Services

    License verified October 2026

    Based in Hesperia, 23 mi away

    60/100CR Score

    Ranked #1 because of its Google rating and its claimed profile: 4.9★ from 126 Google reviews, a claimed profile.

    Based on 9 of 10 factors; recency not yet collected.

    • 4.9★ from 126 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 9 AM–3 PM · Sun closed
    Address
    17525 Alder St Suite #45, Hesperia, CA 92345
    In their words

    Our mission is first and foremost to be loyal and honest with our customers, serving them and our community with integrity. We strive to exceed expectations in comfort with customer service and technical excellence. Clemmer Services AC, Heating and Plumbing has been serving the Barstow and surrounding high desert area for over 34 years. Serving you since 92' Clemmer offers top trained technicians delivering 5 star…

    From Clemmer Services's own description. Not part of the ranking.
  2. Based in Victorville, 4 mi away

    58/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 40 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 40 Google reviews
    Hours
    Mon–Sun 6 AM–5 PM
  3. Based in Los Angeles, 18 mi away

    58/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 80 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 80 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  4. Based in San Bernardino, 5 mi away

    58/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.8★ from 881 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 881 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    337 W 40th St, San Bernardino, CA 92407
  5. Based in San Bernardino, 6 mi away

    57/100CR Score

    Ranked #9 because of its Google rating and review volume: 4.8★ from 590 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 590 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2016 N Mt Vernon Ave, San Bernardino, CA 92411
  6. Based in Highland

    57/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 20 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat 8 AM–1:30 PM · Sun closed
    Address
    7231 Boulder Ave #195, Highland, CA 92346
  7. Based in Fontana, 16 mi away

    56/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 45 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9107 1/2, 9107 Redwood Ave, Fontana, CA 92335
  8. Based in Rancho Cucamonga, 21 mi away

    56/100CR Score

    Ranked #12 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Highland.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 3,017 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10722 Arrow Route STE 602, Rancho Cucamonga, CA 91730
  9. Based in Bloomington, 12 mi away

    56/100CR Score

    Ranked #13 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 11 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10550 Maple Ave, Bloomington, CA 92316
  10. Based in Jurupa Valley, 20 mi away

    56/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.5★ from 120 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.5★ from 120 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5290 Capella Ct, Jurupa Valley, CA 91752
  11. Based in Los Angeles, 18 mi away

    55/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  12. 54/100CR Score

    Ranked #22 because of its Google rating and review volume: 4.8★ from 1,711 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 1,711 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12072 I Ave, Hesperia, CA 92345
  13. Based in Los Angeles, 21 mi away

    54/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 11 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days

How we ranked Highland septic service companies

We scored 81 Highland 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Highland data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileMeasured
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Septic service companies in Highland: frequently asked questions

Who is the best septic service company in Highland?

By CR Score, the highest-ranked septic service company in Highland, CA is Clemmer Services with a CR Score of 60/100. It has 4.9★ from 126 Google reviews. It is open Saturdays until 3 PM. Foureverfresh Septic & Sewer Solutions (#2) and High Desert Septic (#3) follow. We ranked 81 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Highland?

ContractorsRanked ranks 81 septic service companies serving Highland, CA. 1 of them is based in Highland; the rest serve it from nearby towns. Counts are as of November 2026.

Which septic service companies in Highland are open 24/7?

43 ranked septic service companies in Highland post 24/7 hours. The highest-ranked are Foureverfresh Septic & Sewer Solutions (#2), Urgent Septic Solutions (#4) and Henley's Plumbing & Air (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Highland work on weekends?

63 of 81 ranked septic service companies post Saturday hours and 49 post Sunday hours. The highest-ranked open Saturdays are Clemmer Services (#1), Foureverfresh Septic & Sewer Solutions (#2) and High Desert Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Highland septic service companies have?

The median Google rating among 81 rated septic service companies in Highland is 4.8★, with a median of 28 reviews. Option One Plumbing has the most, 3,017 reviews, and ranks #12. 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 Highland count in this ranking?

Yes, if they are within 25 mi of the Highland 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 Highland

  1. November 2026: CR Scores recalculated for 81 septic service companies serving Highland.

More septic service companies and Highland pages

Other trades in Highland