Licensed Septic Companies in Massachusetts
The Septic Guide lists 32 septic companies and licensed septic professionals in Massachusetts (data as of October 2026).
Septic companies by county
Septic services in Massachusetts
Counts of Massachusetts listings by service, from each business's own website or the type of state license it holds.
Who licenses septic work in Massachusetts?
Massachusetts towns permit septic installers; the state certifies Title 5 inspectors and soil evaluators.
Credentials: Town installer permits; State-certified Title 5 inspectors and soil evaluators.
Agency: Local boards of health (Title 5).
Other Massachusetts listings
Septic companies and licensed professionals in areas without their own page yet. Listings in the counties and towns above are on those pages.
Bristol County 2
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AJ Potter Jr & Sons, Inc
604 Main Rd, Westport, MA 02790
Per PSMA directory: Installation
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Town Sanitation Inc.
400R Taunton Ave, Seekonk, MA 02771
From their website: Pumping · Repair · Drain field
Essex County 2
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S.O.S. Septic Service
60 E Main St, Georgetown, MA 01833
From their website: Pumping
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Stewart Septic Services
58 S Kimball St, Bradford, MA 01835
From their website: Pumping · Installation · Grease traps
Suffolk County 1
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Title 5 Specialists
22 Taft St, Dorchester, MA 02125
From their website: Inspection
Worcester County 4
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ADC Septic
295 Lincoln St, Blackstone, MA 01504
From their website: Inspection · Repair · Risers & lids
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Grant's Septic Techs
5 Farm St, Upton, MA 01568
From their website: Pumping · Installation · Inspection · Repair · Drain field · Grease traps
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JL Darling Septic Tank Pumping
508 Quaker Hwy, Uxbridge, MA 01569
From their website: Pumping · Risers & lids
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Northboro / Curtis Septic Service
124 Main St, Northborough, MA 01532
From their website: Pumping · Installation · Repair · Perc testing · Grease traps
No listings match those filters.
Septic companies in Massachusetts: common questions
How many licensed septic companies are in Massachusetts?
The Septic Guide lists 32 septic companies and licensed septic professionals in Massachusetts (data as of October 2026).
Do septic contractors need a license in Massachusetts?
Not at the state level. Massachusetts towns permit septic installers; the state certifies Title 5 inspectors and soil evaluators.
How do I check a septic license in Massachusetts?
Massachusetts has no public statewide list. Massachusetts towns permit septic installers; the state certifies Title 5 inspectors and soil evaluators.