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Best Septic Service Companies in Idaho Falls, ID (2026)

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

The short answer

  1. 1

    Best overall in Idaho Falls: Open Range Septic Service LLC, CR Score 66/100; 5.0★ from 54 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Affordable Septic Tank Pumping, posts 24/7 hours; ranked #2 of 20.

  3. 13

    Most-reviewed: Action Rooter Service and Young's Septic Service, 161 Google reviews at 4.9★, the most of 20 ranked; ranked #13.

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

20 Idaho Falls septic service companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 12 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 5.0★ across 20 rated businesses.

Top 10 septic service companies in Idaho Falls at a glance

Top 10 septic service companies in Idaho Falls at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Open Range Septic Service LLC665.0★ (54)Idaho Falls24/7Overall
2Affordable Septic Tank Pumping644.9★ (38)Idaho Falls24/7Emergencies
3Valley Septic Services645.0★ (24)Idaho Falls24/7—
4Poop dudes Idaho septic services625.0★ (13)Idaho Falls24/7—
5Reliable Septic Pumping LLC615.0★ (17)Idaho Falls24/7—
6Roto-Rooter Of Eastern Idaho614.9★ (97)Idaho Falls24/7—
7Cousin Eddy’s Septic Pumping595.0★ (15)Idaho FallsSat—
8Smith Septic595.0★ (149)Rexburg, 18 mi awayEvenings—
9AAA Sewer Service584.7★ (142)Idaho FallsEvenings—
10KO Plumbing575.0★ (24)Idaho Falls24/7—

The 20 best septic service companies in Idaho Falls, 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.

  8. #8 Smith Septic

    Based in Rexburg, 18 mi away

    59/100CR Score

    Ranked #8 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 149 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun closed
    View profile for Smith Septic(208) 572-9628

  10. #10 KO Plumbing

    Based in Idaho Falls

    57/100CR Score

    Ranked #10 because of its Google rating and review volume: 5.0★ from 24 Google reviews.

    • 5.0★ from 24 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    840 Mercury Ave, Idaho Falls, ID 83402
    View profile for KO Plumbing(208) 821-7226

  12. #12 R C Worst & Co Inc

    Based in Idaho Falls

    57/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 12 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 12 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4444 S Yellowstone Hwy, Idaho Falls, ID 83402
    View profile for R C Worst & Co Inc(208) 529-6868

  15. #15 Marlenee, LLC

    Based in Idaho Falls

    53/100CR Score

    Ranked #15 because of its Google rating and review volume: 5.0★ from 17 Google reviews.

    • 5.0★ from 17 Google reviews
    Hours
    Mon–Sat 7 AM–5 PM · Sun closed
    Address
    6790 E Hillside Dr, Idaho Falls, ID 83401
    View profile for Marlenee, LLC(970) 227-7977

  18. #18 YB Excavation

    Based in Idaho Falls

    51/100CR Score

    Ranked #18 because of its Google rating and review volume: 5.0★ from 14 Google reviews.

    • 5.0★ from 14 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat–Sun closed
    Address
    3770 American Way Suite B, Idaho Falls, ID 83402
    View profile for YB Excavation(208) 595-6647

  20. #20 Hunter septic tanks

    Based in Blackfoot, 19 mi away

    49/100CR Score

    Ranked #20 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    181 E 350 Rd N, Blackfoot, ID 83221
    View profile for Hunter septic tanks(208) 206-8931

Also serving Idaho Falls

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.

Unranked septic service companies serving Idaho Falls
BusinessGoogle ratingDistance
Parker's Septic Tank Cleaning3.0★ (2)In Idaho Falls
Valley Rooter Drain & Septic Services24 mi

How we ranked Idaho Falls septic service companies

We scored 20 Idaho Falls 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Idaho Falls data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
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 Idaho Falls: frequently asked questions

Who is the best septic service company in Idaho Falls?

By CR Score, the highest-ranked septic service company in Idaho Falls, ID is Open Range Septic Service LLC with a CR Score of 66/100. It has 5.0★ from 54 Google reviews. It is open 24/7. Affordable Septic Tank Pumping (#2) and Valley Septic Services (#3) follow. We ranked 20 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Idaho Falls?

ContractorsRanked ranks 20 septic service companies serving Idaho Falls, ID. 16 of them are based in Idaho Falls; 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 Idaho Falls are open 24/7?

8 ranked septic service companies in Idaho Falls post 24/7 hours. The highest-ranked are Open Range Septic Service LLC (#1), Affordable Septic Tank Pumping (#2) and Valley Septic Services (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Idaho Falls work on weekends?

12 of 20 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Open Range Septic Service LLC (#1), Affordable Septic Tank Pumping (#2) and Valley Septic Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Idaho Falls septic service companies have?

The median Google rating among 20 rated septic service companies in Idaho Falls is 5.0★, with a median of 17 reviews. Action Rooter Service and Young's Septic Service has the most, 161 reviews, and ranks #13. 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 Idaho Falls count in this ranking?

Yes, if they are within 25 mi of the Idaho Falls 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 Idaho Falls

  1. November 2026: CR Scores recalculated for 20 septic service companies serving Idaho Falls.

More septic service companies and Idaho Falls pages

Other trades in Idaho Falls