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Best Septic Service Companies in Hattiesburg, MS (2026)

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

The short answer

  1. 1

    Best overall in Hattiesburg: Smith's Septic Pumping, CR Score 65/100; 5.0★ from 56 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Stuart Septic, posts 24/7 hours; ranked #2 of 11.

  3. 4

    Most-reviewed: Drain Again Plumber, 227 Google reviews at 5.0★, the most of 11 ranked; ranked #4.

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

11 Hattiesburg septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 6 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 11 rated businesses.

Top 10 septic service companies in Hattiesburg at a glance

Top 10 septic service companies in Hattiesburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Smith's Septic Pumping655.0★ (56)Hattiesburg24/7Overall
2Stuart Septic655.0★ (43)Hattiesburg24/7Emergencies
3A1 Pumping Service LLC644.8★ (33)Hattiesburg24/7—
4Drain Again Plumber625.0★ (227)Hattiesburg24/7Most reviews
5T & M Septic Tank Vacuum Services584.7★ (26)Petal, 7 mi away——
6Elk's Septic Tank Service574.6★ (18)Petal, 6 mi away24/7—
7Mr. Rooter Plumbing554.0★ (30)Hattiesburg24/7—
8A&A Plumbing & Septic Service545.0★ (3)Laurel, 20 mi away24/7—
9Drain King524.9★ (27)Hattiesburg——
10601 Plumbing & Septic525.0★ (23)Laurel, 10 mi away——

The 11 best septic service companies in Hattiesburg, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Ranked #1 in Hattiesburg

    #1 Smith's Septic Pumping

    Based in Hattiesburg

    65/100CR Score

    Ranked #1 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 56 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Smith's Septic Pumping(601) 270-2858

  2. #2 Stuart Septic

    Based in Hattiesburg

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 43 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    82 Lewis and Clark Rd, Hattiesburg, MS 39401
    View profile for Stuart Septic(601) 818-1080

  3. #3 A1 Pumping Service LLC

    Based in Hattiesburg

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.8★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6 Rawls Dr, Hattiesburg, MS 39402
    View profile for A1 Pumping Service LLC(601) 268-2700

  4. #4 Drain Again Plumber

    Based in Hattiesburg

    62/100CR Score

    Ranked #4 because of its Google rating and review volume: 5.0★ from 227 Google reviews, the most in Hattiesburg.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 227 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    23 Ledbetter Dr, Purvis, MS 39475
    View profile for Drain Again Plumber(601) 270-6676

  6. #6 Elk's Septic Tank Service

    Based in Petal, 6 mi away

    57/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.6★ from 18 Google reviews, listed on Google as “Septic system service”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.6★ from 18 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    166 John Evan Rd, Petal, MS 39465
    View profile for Elk's Septic Tank Service(601) 544-7131

  7. #7 Mr. Rooter Plumbing

    Based in Hattiesburg

    55/100CR Score

    Ranked #7 because of its Google rating and review volume: 4.0★ from 30 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.0★ from 30 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10 Lurlyne St, Hattiesburg, MS 39401
    View profile for Mr. Rooter Plumbing(601) 427-9350

  9. #9 Drain King

    Based in Hattiesburg

    52/100CR Score

    Ranked #9 because of its Google rating and review volume: 4.9★ from 27 Google reviews.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 27 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    802 Duane St, Hattiesburg, MS 39401
    View profile for Drain King(601) 606-4548

  10. #10 601 Plumbing & Septic

    Based in Laurel, 10 mi away

    52/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Plumber”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    View profile for 601 Plumbing & Septic(601) 577-3616

Also serving Hattiesburg

3 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 Hattiesburg
BusinessGoogle ratingDistance
Frank and Son LLC5.0★ (1)22 mi
Septic Services LLCIn Hattiesburg
T&M septic tank llc2 mi

How we ranked Hattiesburg septic service companies

We scored 11 Hattiesburg 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 Hattiesburg 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 Hattiesburg: frequently asked questions

Who is the best septic service company in Hattiesburg?

By CR Score, the highest-ranked septic service company in Hattiesburg, MS is Smith's Septic Pumping with a CR Score of 65/100. It has 5.0★ from 56 Google reviews. It is open 24/7. Stuart Septic (#2) and A1 Pumping Service LLC (#3) follow. We ranked 11 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Hattiesburg?

ContractorsRanked ranks 11 septic service companies serving Hattiesburg, MS. 6 of them are based in Hattiesburg; the rest serve it from nearby towns. Another 3 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

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

7 ranked septic service companies in Hattiesburg post 24/7 hours. The highest-ranked are Smith's Septic Pumping (#1), Stuart Septic (#2) and A1 Pumping Service LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Hattiesburg work on weekends?

6 of 11 ranked septic service companies post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are Smith's Septic Pumping (#1), Stuart Septic (#2) and A1 Pumping Service LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Hattiesburg septic service companies have?

The median Google rating among 11 rated septic service companies in Hattiesburg is 5.0★, with a median of 27 reviews. Drain Again Plumber has the most, 227 reviews, and ranks #4. 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 Hattiesburg count in this ranking?

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

  1. November 2026: CR Scores recalculated for 11 septic service companies serving Hattiesburg.

More septic service companies and Hattiesburg pages

Other trades in Hattiesburg