Top-rated septic system installers and replacers.

Get matched with top septic system installers and replacers in North Smithfield, RI

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Septic system installers and replacers in North Smithfield

Avatar for Delfino Corporation
Delfino Corporation
5.0(
9
)

Serving North Smithfield, RI and surrounding areas

Angi Approved

Super Service Award Winner

In business since 1962

Customers say: Quick response

"I cannot put into words how thankful I am to have hired Delfino (Robert & Ariana) to level a section of my yard and add a gravel pad for a shed being built. They are super responsive, friendly, and more than fair. Saying I have a complicated yard is an understatement. I’ve had ridiculous quotes in the past and some who have told me what I needed was impossible. Delfino proved them wrong….and for much less money! They even surprised me with doing some work on my (also impossible) driveway at no extra cost because they had enough extra in materials. If you’re looking for kindness, fairness, and honesty..do yourself a favor and hire this incredible family business. You’ll be so thankful you did!! Thank you so much Robert & Ariana Delfino ❤️"
Jamestown Residence Improvements
Scituate Residence Improvements
Parking expansion
Drone footage of plan view. Septic tank- 200’ forcemain to Elgens field
Jamestown Residence Improvements

+63

Response time1 day
Response rate89%
4 neighbors recently requested a quote
Avatar for A. Macari Construction Co, Inc.
A. Macari Construction Co, Inc.
4.9(
13
)

Serving North Smithfield, RI and surrounding areas

Angi Approved

In business since 2013

Free estimates

Credit card accepted

"I had my sewer hooked up from the septic to the city sewer. I got quotes from 5 different contractors and Anthony gave my the best quote by far. His team came to my house and in less than a day the job was done. I was very pleased with the job they did and would highly recommend them to anyone."
Widening of Driveway
Widening of Driveway
Widening of Driveway
Widening of Driveway
Asphalt Overlay

+70

Response time2 days
Recommended by100%of homeowners
Carpenter Brothers, Inc.
4.9(
6
)

Serving North Smithfield, RI and surrounding areas

Angi Approved

In business since 1979

Free estimates

Customers say: Quick response

"Woody, Craig, and the team were great to work with and did an excellent job replacing my septic system. They were very responsive and communicated throughout the project. They were transparent about all pricing and honest. They did a great job with the install and the finish landscaping they did was more than I could have expected. I highly recommend them, they are busy for a good reason."
Response time3 days
4 neighbors recently requested a quote
Recommended by100%of homeowners
FAQs for septic system installation and replacement projects in North Smithfield, RI

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 Smithfield, RI 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.