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Best Septic Service Companies in Menlo Park, CA (2026)

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

The short answer

  1. 1

    Best overall in Menlo Park: PICHANGA PUMPING SERVICE LLC, CR Score 60/100; 4.9★ from 70 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Hydroworks Plumbing, posts 24/7 hours; ranked #2 of 57.

  3. 5

    Most-reviewed: Caccia Home Services, 1,910 Google reviews at 4.9★, the most of 57 ranked; ranked #5.

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

57 Menlo Park septic service companies are ranked here by CR Score, from ten published factors. 31 are open 24/7, 49 open Saturdays and 39 open Sundays, based on posted hours. The median Google rating is 4.8★ across 57 rated businesses.

Top 10 septic service companies in Menlo Park at a glance

Top 10 septic service companies in Menlo Park at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1PICHANGA PUMPING SERVICE LLC604.9★ (70)Mountain View, 6 mi awaySat · SunOverall
2Hydroworks Plumbing585.0★ (27)Hayward, 12 mi away24/7Emergencies
3$15 Sewer & Drain Service574.8★ (609)San Jose, 19 mi away24/7—
4Wizard Plumbing and Drain574.8★ (1,648)San Mateo, 9 mi awaySat · Sun · Evenings—
5Caccia Home Services574.9★ (1,910)Burlingame, 14 mi awaySat · Sun · EveningsMost reviews
6A-1 Septic Tank Service Inc574.4★ (34)Hayward, 13 mi away24/7—
7Superior Plumbing564.9★ (433)San Jose, 14 mi away24/7—
8Elite Rooter564.7★ (1,298)San Jose, 17 mi away24/7—
9Mr. Rooter Plumbing of Sunnyvale - Mountain View554.9★ (137)Sunnyvale, 9 mi away24/7—
10Comet Plumbing & Sewer Co.554.9★ (97)Sunnyvale, 10 mi awaySat · Sun · Evenings—

The 57 best septic service companies in Menlo Park, 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 Menlo Park

    Based in Mountain View, 6 mi away

    60/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Septic system service”.

    • 4.9★ from 70 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat 8 AM–4:30 PM · Sun 8:30 AM–4 PM
    Address
    901 N Rengstorff Ave, Mountain View, CA 94043
  2. Based in Hayward, 12 mi away

    58/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.

    • 5.0★ from 27 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3526 Investment Blvd #209, Hayward, CA 94545
  3. Based in Burlingame, 14 mi away

    57/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.9★ from 1,910 Google reviews, the most in Menlo Park.

    • 4.9★ from 1,910 Google reviews
    Hours
    Mon–Tue 8 AM–5 PM · Wed–Fri 8 AM–9 PM · Sat–Sun 10 AM–6 PM
    Address
    1660 Gilbreth Rd, Burlingame, CA 94010
  4. Based in San Jose, 17 mi away

    56/100CR Score

    Ranked #8 because of its Google rating and review volume: 4.7★ from 1,298 Google reviews.

    • 4.7★ from 1,298 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    245 Kinney Dr, San Jose, CA 95112
  5. Based in Belmont, 10 mi away

    53/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Tue 7 AM–8 PM · Wed 7 AM–5 PM · Thu–Fri 7 AM–8 PM · Sat–Sun 7 AM–5 PM
  6. Based in Los Gatos, 19 mi away

    52/100CR Score

    Ranked #21 because of its Google rating and review volume: 4.9★ from 109 Google reviews.

    • 4.9★ from 109 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15750 Winchester Blvd Ste 204, Los Gatos, CA 95030

Septic service companies ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 57 ranked septic service companies here; the rest are on their profiles.

Also serving Menlo Park

9 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.

How we ranked Menlo Park septic service companies

We scored 57 Menlo Park 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 Menlo Park 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 Menlo Park: frequently asked questions

Who is the best septic service company in Menlo Park?

By CR Score, the highest-ranked septic service company in Menlo Park, CA is PICHANGA PUMPING SERVICE LLC with a CR Score of 60/100. It has 4.9★ from 70 Google reviews. It is open 7 days a week. Hydroworks Plumbing (#2) and $15 Sewer & Drain Service (#3) follow. We ranked 57 septic service companies on ten factors, last updated November 2, 2026.

How many septic service companies are there in Menlo Park?

ContractorsRanked ranks 57 septic service companies serving Menlo Park, CA. Another 9 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which septic service companies in Menlo Park are open 24/7?

31 ranked septic service companies in Menlo Park post 24/7 hours. The highest-ranked are Hydroworks Plumbing (#2), $15 Sewer & Drain Service (#3) and A-1 Septic Tank Service Inc (#6). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Menlo Park work on weekends?

49 of 57 ranked septic service companies post Saturday hours and 39 post Sunday hours. The highest-ranked open Saturdays are PICHANGA PUMPING SERVICE LLC (#1), Hydroworks Plumbing (#2) and $15 Sewer & Drain Service (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Menlo Park septic service companies have?

The median Google rating among 57 rated septic service companies in Menlo Park is 4.8★, with a median of 34 reviews. Caccia Home Services has the most, 1,910 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 Menlo Park count in this ranking?

Yes, if they are within 25 mi of the Menlo Park 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 Menlo Park

  1. November 2026: CR Scores recalculated for 57 septic service companies serving Menlo Park.

More septic service companies and Menlo Park pages

Other trades in Menlo Park