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Find Septic system installers and replacers in Randolph

Avatar for LMH CONSTRUCTION GROUP LLC
LMH CONSTRUCTION GROUP LLC
4.8(
11
)

Serving Randolph, MA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Let me start off by saying that these guys are great. They did my bathroom, kept everything clean, and anytime I had question or concern, they were quick to respond. I now will rehire them to do my basement and remodel my kitchen?"
Master Bath Renovation
Response time9 hrs
3 neighbors recently requested a quote
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Avatar for Linny Constructions Inc
Linny Constructions Inc
5.0(
1
)

Serving Randolph, 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
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Avatar for P & L Custom Homes & Excavation LLC
P & L Custom Homes & Excavation LLC
5.0(
2
)

Serving Randolph, MA and surrounding areas

Approved

In business since 2022

Free estimates

"I just want to thank P&L Custom Homes & Excavation for the outstanding job they did clearing the land and handling all the excavation for my home build. Their team was professional, efficient, and easy to work with from start to finish. Everything was done right and on schedule, which made a huge difference in keeping the project moving smoothly. I really appreciate the hard work and would highly recommend them to anyone looking for quality site work."
Project
Project
Project
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FAQs for septic system installation and replacement projects in Randolph, 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 Randolph, 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.

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