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Best Septic Service Companies in Medfield, MA (2026)

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

The short answer

  1. 1

    Best overall in Medfield: Wind River Environmental of Walpole, MA, CR Score 67/100; 4.9★ from 846 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): JL Darling Septic Tank Pumping, posts 24/7 hours; ranked #2 of 123.

  3. 10

    Most-reviewed: John's Sewer & Drain Cleaning, 796 Google reviews at 4.9★, the most of 123 ranked after Wind River Environmental of Walpole, MA; ranked #10.

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

123 Medfield septic service companies are ranked here by CR Score, from ten published factors. 40 are open 24/7, 68 open Saturdays and 47 open Sundays, based on posted hours. The median Google rating is 4.9★ across 123 rated businesses.

Most of this list also appears on the Septic service companies in Framingham Center ranking. See Septic service companies in Framingham Center

Top 10 septic service companies in Medfield at a glance

Top 10 septic service companies in Medfield at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Wind River Environmental of Walpole, MA674.9★ (846)Walpole, 5 mi away24/7Overall
2JL Darling Septic Tank Pumping625.0★ (382)Uxbridge, 19 mi away24/7Emergencies
3Home Town Pumping624.9★ (366)Foxborough, 10 mi away——
4Fairbank Septic Pumping LLC614.9★ (93)Sudbury, 13 mi away24/7—
5Grant's Septic Techs615.0★ (590)Worcester, 16 mi awaySat—
6Rodenhiser Excavating, Septic & Drains and Builders594.5★ (24)Holliston, 7 mi away24/7—
7Northboro / Curtis Septic Service594.9★ (73)Northborough, 19 mi away24/7—
8Rapid Flow Sewer & Drain Cleaning594.9★ (493)Arlington, 19 mi away24/7—
9Smith Septic585.0★ (17)Franklin, 10 mi away24/7—
10John's Sewer & Drain Cleaning584.9★ (796)Woburn, 24 mi away24/7Most reviews

The 123 best septic service companies in Medfield, ranked

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

  1. Based in Foxborough, 10 mi away

    62/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 366 Google reviews, listed on Google as “Septic system service”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.9★ from 366 Google reviews
    Address
    6 Spring Brook Rd, Foxborough, MA 02035
  2. Based in Sudbury, 13 mi away

    61/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 93 Google reviews, listed on Google as “Septic system service”.

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

    • 4.9★ from 93 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    239 Nobscot Rd, Sudbury, MA 01776
  3. Based in Worcester, 16 mi away

    61/100CR Score

    Ranked #5 because of its Google rating and trade focus: 5.0★ from 590 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 590 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    5 Farm St, Upton, MA 01568
  4. Based in Franklin, 10 mi away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  5. Based in Blackstone, 17 mi away

    58/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 53 Google reviews, listed on Google as “Septic system service”.

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

    • 4.7★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    295 Lincoln St, Blackstone, MA 01504
  6. Based in Stow, 19 mi away

    58/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Septic system service”.

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

    • 4.7★ from 77 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    128 Great Rd, Stow, MA 01775
  7. Based in Boston, 16 mi away

    58/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 25 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  8. Based in South Boston, 16 mi away

    57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Sun 8 AM–6 PM
    Address
    22 Taft St, Dorchester, MA 02125
  9. Based in Holliston, 9 mi away

    57/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 98 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 98 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    136 Fisher St, Holliston, MA 01746
  10. Based in Boston, 18 mi away

    57/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Septic system service”.

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

    • 4.8★ from 32 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  11. Based in Providence, 24 mi away

    56/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Septic system service”.

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

    • 4.9★ from 36 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  12. Based in Brockton, 23 mi away

    56/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.3★ from 77 Google reviews, listed on Google as “Septic system service”.

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

    • 4.3★ from 77 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  13. Based in South Boston, 24 mi away

    56/100CR Score

    Ranked #22 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  14. Based in Norton, 18 mi away

    55/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.6★ from 12 Google reviews, listed on Google as “Septic system service”.

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

    • 4.6★ from 12 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    222 S Washington St, Norton, MA 02766
  15. Based in Burlington, 23 mi away

    55/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.3★ from 59 Google reviews, listed on Google as “Septic system service”.

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

    • 4.3★ from 59 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    36 Grant Ave, Burlington, MA 01803
  16. Based in Millbury, 24 mi away

    55/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.

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

    • 5.0★ from 17 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    47 Burbank St, Millbury, MA 01527

How we ranked Medfield septic service companies

We scored 123 Medfield 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 Medfield 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 Medfield: frequently asked questions

Who is the best septic service company in Medfield?

By CR Score, the highest-ranked septic service company in Medfield, MA is Wind River Environmental of Walpole, MA with a CR Score of 67/100. It has 4.9★ from 846 Google reviews. It is open 24/7. JL Darling Septic Tank Pumping (#2) and Home Town Pumping (#3) follow. We ranked 123 septic service companies on ten factors, last updated November 3, 2026.

How many septic service companies are there in Medfield?

ContractorsRanked ranks 123 septic service companies serving Medfield, MA. Counts are as of November 2026.

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

40 ranked septic service companies in Medfield post 24/7 hours. The highest-ranked are Wind River Environmental of Walpole, MA (#1), JL Darling Septic Tank Pumping (#2) and Fairbank Septic Pumping LLC (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which septic service companies in Medfield work on weekends?

68 of 123 ranked septic service companies post Saturday hours and 47 post Sunday hours. The highest-ranked open Saturdays are Wind River Environmental of Walpole, MA (#1), JL Darling Septic Tank Pumping (#2) and Fairbank Septic Pumping LLC (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Medfield septic service companies have?

The median Google rating among 123 rated septic service companies in Medfield is 4.9★, with a median of 16 reviews. Wind River Environmental of Walpole, MA has the most, 846 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 Medfield count in this ranking?

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

  1. November 2026: CR Scores recalculated for 123 septic service companies serving Medfield.

More septic service companies and Medfield pages

Other trades in Medfield