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Best Septic Service Companies in Ammon, ID (2026)

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

The short answer

  1. 1

    Best overall in Ammon: Affordable Septic Tank Pumping, CR Score 64/100; 4.9★ from 38 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Open Range Septic Service LLC, posts 24/7 hours; ranked #2 of 18.

  3. 5

    Most-reviewed: Smith Septic, 149 Google reviews at 5.0★, the most of 18 ranked; ranked #5.

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

18 Ammon septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 10 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 18 rated businesses.

Top 10 septic service companies in Ammon at a glance

Top 10 septic service companies in Ammon at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Affordable Septic Tank Pumping644.9★ (38)Idaho Falls, 4 mi away24/7Overall
2Open Range Septic Service LLC635.0★ (54)Idaho Falls, 10 mi away24/7Emergencies
3Taylor’d Excavation & Septic625.0★ (15)Ammon24/7—
4Roto-Rooter Of Eastern Idaho604.9★ (97)Idaho Falls, 3 mi away24/7—
5Smith Septic605.0★ (149)Rexburg, 17 mi awayEveningsMost reviews
6Reliable Septic Pumping LLC595.0★ (17)Idaho Falls, 9 mi away24/7—
7AAA Sewer Service584.7★ (142)Idaho Falls, 2 mi awayEvenings—
8Poop dudes Idaho septic services575.0★ (13)Idaho Falls, 19 mi away24/7—
9KO Plumbing565.0★ (24)Idaho Falls, 5 mi away24/7—
10Cousin Eddy’s Septic Pumping565.0★ (15)Idaho Falls, 15 mi awaySat—

The 18 best septic service companies in Ammon, 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.

  5. #5 Smith Septic

    Based in Rexburg, 17 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and review volume: 5.0★ from 149 Google reviews, the most in Ammon.

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

  9. #9 KO Plumbing

    Based in Idaho Falls, 5 mi away

    56/100CR Score

    Ranked #9 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

  11. #11 R C Worst & Co Inc

    Based in Idaho Falls, 5 mi away

    55/100CR Score

    Ranked #11 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

  13. #13 Marlenee, LLC

    Based in Idaho Falls, 6 mi away

    52/100CR Score

    Ranked #13 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

  16. #16 YB Excavation

    Based in Idaho Falls, 5 mi away

    49/100CR Score

    Ranked #16 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

  18. #18 Hunter septic tanks

    Based in Blackfoot, 21 mi away

    48/100CR Score

    Ranked #18 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 Ammon

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 Ammon
BusinessGoogle ratingDistance
Parker's Septic Tank Cleaning3.0★ (2)4 mi
Valley Rooter Drain & Septic Services24 mi

How we ranked Ammon septic service companies

We scored 18 Ammon 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 Ammon 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 Ammon: frequently asked questions

Who is the best septic service company in Ammon?

By CR Score, the highest-ranked septic service company in Ammon, ID is Affordable Septic Tank Pumping with a CR Score of 64/100. It has 4.9★ from 38 Google reviews. It is open 24/7. Open Range Septic Service LLC (#2) and Taylor’d Excavation & Septic (#3) follow. We ranked 18 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Ammon?

ContractorsRanked ranks 18 septic service companies serving Ammon, ID. 1 of them is based in Ammon; 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 Ammon are open 24/7?

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

Which septic service companies in Ammon work on weekends?

10 of 18 ranked septic service companies post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Affordable Septic Tank Pumping (#1), Open Range Septic Service LLC (#2) and Taylor’d Excavation & Septic (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Ammon septic service companies have?

The median Google rating among 18 rated septic service companies in Ammon is 5.0★, with a median of 16 reviews. Smith Septic has the most, 149 reviews, and ranks #5. 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 Ammon count in this ranking?

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

  1. November 2026: CR Scores recalculated for 18 septic service companies serving Ammon.

More septic service companies and Ammon pages

Other trades in Ammon