Marois Bros Inc

Septic Installation & Service in Worcester, MA · ★ 3.7 Google rating

Google rating as of October 2026. How ratings work here

Address
115 Blackstone River Rd, Worcester, MA 01607

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About Marois Bros Inc

Marois Bros Inc is a Septic Installation & Service contractor based in Worcester, Worcester County, Massachusetts, at 115 Blackstone River Rd, Worcester, MA 01607. It has a Google rating of 3.7 out of 5. Its website is linked above. A listing here is not a license or insurance check, so verify both directly before hiring.

Service area

Based in Worcester, Marois Bros Inc is within a short drive of Millbury (3 mi), Auburn (4 mi), Shrewsbury (5 mi), Grafton (6 mi), Leicester (6 mi) and Sutton (7 mi). Most Massachusetts septic installation & service contractors work a 25-mile radius, so homeowners in those towns can reasonably ask for a quote.

Hiring a Septic Installation & Service contractor in Worcester

Title 5 (310 CMR 15.00) governs every on-site system in Worcester. New installs and repairs need a permit from the Worcester Division of Public Health, and the system design must be stamped by a registered sanitarian or professional engineer. A licensed septic installer does the construction. Before most property transfers, a Title 5 inspection by a licensed inspector is required and the passing certificate is what the closing depends on. On the rural western fringes, perc and soil testing drive the design because of ledge and variable water tables.

Worcester-area septic costs sit near the central Massachusetts norm, below Boston metro labor rates. A Title 5 inspection at sale typically runs a few hundred dollars to about $1,000, and tank pumping a few hundred dollars. A full conventional gravity system replacement on a fringe Worcester or Holden-line lot commonly runs roughly $20,000–$35,000. Ledge or a high water table on the rural west side can require a mounded system and push costs higher, and a nitrogen-reducing I/A system runs $30,000 or more where conditions or a board require it.

Massachusetts requires a written contract and a Home Improvement Contractor registration for most residential septic installation & service work; ask for the registration number and check it before paying a deposit.

More on permits, costs, rebates and common questions, plus every other septic installation & service contractor serving the town, on the Septic Services in Worcester page.

See all Septic Services in Worcester.