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Find Septic system installers and replacers in North Dartmouth

Avatar for South Shore Excavation
South Shore Excavation
5.0(
16
)

Serving North Dartmouth, MA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"You wonâ t find a more honest, more professional or more skilled excavator/operator than Matt Mello, owner of South Shore excavation. Matt has now done two big jobs for me, the first being to rip out the old floor in our 4-car garage and install a new floor, the second being to dig up/expose and waterproof the garage foundation. In both cases, Mattâ s pricing was extremely fair, he delivered 100% on his promises, finished the work in a timely manner and left an immaculate job site every day. I really canâ t recommend Matt Mello & South Shore Excavation highly enough. If youâ re looking for a true professional who does what he says heâ s going to do, when he says heâ s going to do it, look no further."
Garage
Garage floor Demo
Garage floor revamp
Garage redig
Garage floor prep for new concrete

+82

Response time1 day
2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for LMH CONSTRUCTION GROUP LLC
LMH CONSTRUCTION GROUP LLC
4.8(
11
)

Serving North Dartmouth, MA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"A sincere thank you for our years of successful partnership I am writing to express my sincerest gratitude for the outstanding service and partnership we have shared over the years. Your unwavering professionalism, expertise, and commitment to excellence have been instrumental to our success. Throughout our collaboration, we have always been able to count on LMH Construction Group, LLC for exceptional quality, problem-solving, and reliable project management on every project. Your team's dedication to meeting our needs, often under tight deadlines, has not gone unnoticed and is a true testament to your hard work and integrity. I'm particularly grateful for your patience, understanding, and willingness to adapt to all the challenges associated with working with REO properties. "...your work on the Septic System w/Micro Fast System in Hanson was a great example of your team's attention to detail, which helped us achieve a result that exceeded expectations." "...the way your team handled"
Master Bath Renovation
Response time9 hrs
3 neighbors recently requested a quote
Avatar for Linny Constructions Inc
Linny Constructions Inc
5.0(
1
)

Serving North Dartmouth, MA and surrounding areas

Approved

In business since 2025

Free estimates

Offers commercial services

At Linny Constructions Inc, we provide high-quality excavation and septic services with a commitment to honesty, transparency, and precision. Serving Southeastern Massachusetts and Cape Cod, we treat every project—from residential backyard grading to large-scale commercial site prep—as if it were our own property.\nOur Specialized Services:\nSeptic Systems: Expert installation, replacement, and repairs for both homes and businesses.\nExcavation & Grading: Major resloping and site leveling to ensure proper drainage and a solid foundation.\nSite Preparation: Comprehensive land clearing and building site prep for new commercial and residential construction.\nFully licensed and insured, our team works closely with homeowners and property managers to ensure every job meets local regulations and is "done right the first time". We take pride in our clear communication, reliable timelines, and professional results.\nContact us today for a free estimate on your next project!

Septic system
Excavation
1 neighbors recently requested a quote
Recommended by100%of homeowners
FAQs for septic system installation and replacement projects in North Dartmouth, MA

The smallest standard septic system uses a 500-gallon tank, which costs between $875 and $1,150 installed. This size works well for single-occupant dwellings with minimal wastewater production. However, many local regulations specify minimum tank sizes, so check with your building department before committing to this compact option. Some jurisdictions require at least 750 gallons regardless of home size to ensure adequate waste processing capacity.

The installation timeline varies based on site conditions, permit processing, and contractor schedules. The process includes obtaining permits, conducting soil tests, excavation, tank placement, leach field construction, and final connections. Weather conditions, soil challenges, and inspection scheduling can all affect the overall timeline. It's wise to begin planning well in advance of when you need the system operational.

The most economical approach is to install a conventional anaerobic system with a plastic tank. To minimize costs while maintaining legality, obtain multiple quotes from licensed installers, consider scheduling during their slower seasons, and handle basic site preparation yourself. Never skip permits or required testing to save money—illegal installations can result in significant fines and mandatory removal, ultimately costing far more than doing it right initially.

Regular pumping helps prevent system failures and extends operational life. Most small systems require pumping every three to five years, though frequency depends on household size and usage patterns. Pumping services cost between $290 and $530, making this maintenance expense relatively minor compared to potential repair costs ranging from $500 to $2,600 for neglected systems. Establishing a regular maintenance schedule based on your installer's recommendations helps avoid costly emergency services.

The North Dartmouth, MA homeowners’ guide to septic system installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.