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Find Septic system installers and replacers in Duncan

Avatar for Preferred Home Services, LLC
Preferred Home Services, LLC
4.7(
38
)

Serving Duncan, SC and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Alec Moore with Preferred Home Services, was very polite, courteous and knowledgeable. He did a great job fixing our hot water recirculating pump and flush the hot water tank. Very pleased with the service he provided and will most definitely recommend to our family, friends and neighbors. "
Preferred Home Services Truck
Response time1 day
Response rate90%
301 neighbors recently requested a quote
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Avatar for Upstate Septic Pro
Upstate Septic Pro
5.0(
8
)

Serving Duncan, SC and surrounding areas

Angi Approved

In business since 2019

Free estimates

Emergency services offered

"Cameron (in office) was courteous & very helpful in getting my work scheduled. He was able to schedule my time slot the very next day, w/in 24 hrs. Andrew (in the field) was also super courteous & professional & informative. He called to let me know when he was an hour out from the rental site, which was even an hour earlier! Great!! He sent pictures to me of the work and the problem found/roots in the line- clearing these out. His last call was to let me know when he was finished and that he had went inside to confirm toilets were flushing. I highly recommend their service. "
300 foot of drainfield
Response time7 hrs
22 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for Mr. Rooter Plumbing of Greenville
Mr. Rooter Plumbing of Greenville
5.0(
6
)

Serving Duncan, SC and surrounding areas

Angi Approved

In business since 2002

Free estimates

Emergency services offered

"Great team of professional technicians and management that are very knowledgeable of their craft and dedicated to excellent service. Would highly recommend for all projects large or small!!"
Team Photo
Response time6 hrs
20 neighbors recently requested a quote
Recommended by16%of homeowners
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FAQs for septic system installation and replacement projects in Duncan, SC

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 Duncan, SC 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.

See all articles