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Best Septic Service Companies in Farmington, NM (2026)

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

The short answer

  1. 1

    Best overall in Farmington: M&R Service, CR Score 62/100; 4.9★ from 3,115 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Serrano's Inc, posts 24/7 hours; ranked #2 of 6.

  3. 2

    Most-reviewed: Serrano's Inc, 48 Google reviews at 4.7★, the most of 6 ranked after M&R Service; ranked #2.

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

6 Farmington septic service companies are ranked here by CR Score, from ten published factors. 2 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.7★ across 6 rated businesses.

Top 6 septic service companies in Farmington at a glance

Top 6 septic service companies in Farmington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1M&R Service624.9★ (3,115)Farmington24/7Overall
2Serrano's Inc574.7★ (48)Bloomfield, 16 mi away24/7Emergencies, Most reviews
3Allen Septic Tank Services574.7★ (18)FarmingtonSat—
4Essco Pipe & Supply564.7★ (33)Farmington——
5Roto-Rooter484.2★ (40)Farmington——
6Foster Plumbing & Heating Co463.5★ (32)Farmington——

The 6 best septic service companies in Farmington, 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.

  1. Ranked #1 in Farmington

    #1 M&R Service

    Based in Farmington

    62/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 3,115 Google reviews, the most in Farmington.

    • 4.9★ from 3,115 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1215 Mission Ave, Farmington, NM 87401
    View profile for M&R Service(505) 325-9312

  2. #2 Serrano's Inc

    Based in Bloomfield, 16 mi away

    57/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 48 Google reviews, listed on Google as “Septic system service”.

    • 4.7★ from 48 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    13 Rd 4904, Bloomfield, NM 87413
    View profile for Serrano's Inc(505) 632-9494

  4. #4 Essco Pipe & Supply

    Based in Farmington

    56/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Septic system service”.

    • 4.7★ from 33 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    2600 W Main St, Farmington, NM 87401
    View profile for Essco Pipe & Supply(505) 325-7568

  5. #5 Roto-Rooter

    Based in Farmington

    48/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.2★ from 40 Google reviews, listed on Google as “Plumber”.

    • 4.2★ from 40 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    1813 Schofield Ln, Farmington, NM 87401
    View profile for Roto-Rooter(505) 325-3395

How we ranked Farmington septic service companies

We scored 6 Farmington 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 Farmington 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 Farmington: frequently asked questions

Who is the best septic service company in Farmington?

By CR Score, the highest-ranked septic service company in Farmington, NM is M&R Service with a CR Score of 62/100. It has 4.9★ from 3,115 Google reviews. It is open 24/7. Serrano's Inc (#2) and Allen Septic Tank Services (#3) follow. We ranked 6 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Farmington?

ContractorsRanked ranks 6 septic service companies serving Farmington, NM. 5 of them are based in Farmington; the rest serve it from nearby towns. Counts are as of November 2026.

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

2 ranked septic service companies in Farmington post 24/7 hours. The highest-ranked are M&R Service (#1) and Serrano's Inc (#2). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Farmington work on weekends?

3 of 6 ranked septic service companies post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are M&R Service (#1), Serrano's Inc (#2) and Allen Septic Tank Services (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Farmington septic service companies have?

The median Google rating among 6 rated septic service companies in Farmington is 4.7★, with a median of 37 reviews. M&R Service has the most, 3,115 reviews, and ranks #1. 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 Farmington count in this ranking?

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

  1. November 2026: CR Scores recalculated for 6 septic service companies serving Farmington.

More septic service companies and Farmington pages

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