Skip to content
ContractorsRanked

Best Septic Service Companies in Rialto, CA (2026)

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

The short answer

  1. 1

    Best overall in Rialto: Urgent Septic Solutions, CR Score 60/100; 5.0★ from 80 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Mr. Rooter Plumbing of San Bernardino, posts 24/7 hours; ranked #2 of 91.

  3. 5

    Most-reviewed: Option One Plumbing, 3,017 Google reviews at 4.8★, the most of 91 ranked; ranked #5.

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

91 Rialto septic service companies are ranked here by CR Score, from ten published factors. 53 are open 24/7, 73 open Saturdays and 59 open Sundays, based on posted hours. The median Google rating is 4.8★ across 91 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 Rialto at a glance

Top 10 septic service companies in Rialto at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Urgent Septic Solutions605.0★ (80)Los Angeles, 11 mi away24/7Overall
2Mr. Rooter Plumbing of San Bernardino594.8★ (1,351)Colton, 4 mi away24/7Emergencies
3Foureverfresh Septic & Sewer Solutions595.0★ (21)San Bernardino, 5 mi away24/7—
4Aaa septic pumping594.6★ (45)Fontana, 7 mi away24/7—
5Option One Plumbing584.8★ (3,017)Rancho Cucamonga, 12 mi away24/7Most reviews
6County Wide Septic Pumping585.0★ (11)Bloomington, 4 mi away24/7—
7Countywide Septic Pumping LLC584.5★ (120)Jurupa Valley, 12 mi away24/7—
8On Site Septic & Grease Pumping584.9★ (72)Riverside, 16 mi away24/7—
9Henley's Plumbing & Air584.8★ (881)San Bernardino, 6 mi away24/7—
10Payless 4 Plumbing584.8★ (590)San Bernardino, 4 mi away24/7—

The 91 best septic service companies in Rialto, 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.

  4. #4 Aaa septic pumping

    Based in Fontana, 7 mi away

    59/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.6★ from 45 Google reviews, listed on Google as “Septic system service”.

    • 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
    View profile for Aaa septic pumping(909) 682-7118

  5. #5 Option One Plumbing

    Based in Rancho Cucamonga, 12 mi away

    58/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.8★ from 3,017 Google reviews, the most in Rialto.

    • 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
    View profile for Option One Plumbing(800) 905-7115

  17. #17 A-1 Pumping Services

    Based in Fontana, 7 mi away

    56/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.2★ from 40 Google reviews, listed on Google as “Septic system service”.

    • 4.2★ from 40 Google reviews
    Hours
    Mon–Sun 6 AM–9:30 PM
    Address
    14732 Whittram Ave, Fontana, CA 92335
    View profile for A-1 Pumping Services(909) 822-6205

How we ranked Rialto septic service companies

We scored 91 Rialto 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 Rialto 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 Rialto: frequently asked questions

Who is the best septic service company in Rialto?

By CR Score, the highest-ranked septic service company in Rialto, CA is Urgent Septic Solutions with a CR Score of 60/100. It has 5.0★ from 80 Google reviews. It is open 24/7. Mr. Rooter Plumbing of San Bernardino (#2) and Foureverfresh Septic & Sewer Solutions (#3) follow. We ranked 91 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Rialto?

ContractorsRanked ranks 91 septic service companies serving Rialto, CA. Counts are as of November 2026.

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

53 ranked septic service companies in Rialto post 24/7 hours. The highest-ranked are Urgent Septic Solutions (#1), Mr. Rooter Plumbing of San Bernardino (#2) and Foureverfresh Septic & Sewer Solutions (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Rialto work on weekends?

73 of 91 ranked septic service companies post Saturday hours and 59 post Sunday hours. The highest-ranked open Saturdays are Urgent Septic Solutions (#1), Mr. Rooter Plumbing of San Bernardino (#2) and Foureverfresh Septic & Sewer Solutions (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Rialto septic service companies have?

The median Google rating among 91 rated septic service companies in Rialto is 4.8★, with a median of 26 reviews. Option One Plumbing has the most, 3,017 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 Rialto count in this ranking?

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

  1. November 2026: CR Scores recalculated for 91 septic service companies serving Rialto.

More septic service companies and Rialto pages

Other trades in Rialto