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  • Verified reviews icon10
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Top-Rated Septic tank pros in Sully - Updated Nov 2026

Avatar for Vertex Construction Services
Vertex Construction Services
5.0(
11
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For Business

Serving Sully, IA and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"We used Billy and his team to repair our yard after a sewer line was replaced. He was very knowledgeable in the process of what was needed to restore the property to its prior state. The work was done quickly and we have had no problems with anything he has done. Highly reccommend!"
Grading
Grading
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Sidewalk backfill

+13

Response time12 hrs
Response rate100%
25 neighbors recently requested a quote
Stoakes Septic Service, LLC
5.0(
6
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Sully, IA and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"Jessy absolutely knows the septic business! My project was particularly difficult, but Jessy made all the right decisions and actually took some extra time to help me move. Heâ s a doer and did all the work himself!"
Response time4 hrs
Recommended by100%of homeowners
Karr Septic Services
5.0(
1
)
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Sully, IA and surrounding areas

In business since 2005

Credit card accepted

Karr Septic Services is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business

Recommended by100%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Sully, IA and surrounding areas

In business since 1971

Credit card accepted

"The technician emptied the freezer, which was in the basement, to work on the part that needed repair. Then he neglected to put anything back into the freezer, including a turkey I had bought for Christmas and a rack of ribs. Two days after he left, I went out of town for two weeks. The turkey actually exploded and spewed its liquid all over everything, which had to be discarded. I let AHS know and they couldn't even bother to call me or follow up on this. I'm considering not renewing my contract with them because of the quality (or lack thereof) of many of the providers they send."
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+2

Recommended by65%of homeowners
Crane Services, LLC
0.0(
1
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Sully, IA and surrounding areas

In business since 2008

Free estimates

At Crane Services we take pride in providing quality work at an affordable price. We offer several different services to accommodate your home improvement needs. We have 22+ years experience in the field. We are punctual and professional we know time is money we show up at the scheduled time and treat your home like our own with respect. We are not satisfied until you are satisfied with the completed work. Call us today for your free estimate. We appreciate your business.

Recommended by100%of homeowners
Septic Tanks FAQs, answered by experts

Yes, septic tank companies must be licensed in most states and municipalities to perform services like installation, alteration, repair, and pumping. Since laws vary by location, it's crucial to check local requirements.

Hiring an unlicensed professional can lead to poor work, code violations, and significant fines. Always verify that your chosen company is properly licensed and fully insured to avoid liability. You can use tools like Angi’s contractor licensing search to check a pro's credentials.

It's also helpful to understand the difference between licensing and certification. A license is a legal requirement to operate, while certifications are voluntary. Credentials like the “Angi Approved” badge indicate that a business meets extra standards, such as passing a background check and maintaining a high rating.

A cistern works by collecting rainwater from your gutters and downspouts and storing it in a holding tank. The holding tank can be installed above or below ground, and the size will depend on your household needs. The stored water can then be used for household tasks, watering your garden, and even for drinking water.

There are a few signs that indicate a failing drain field. For instance, if your septic tank starts requiring more pumping than normal, your drain field might be failing. Other signs to watch for include poor drainage after rain, standing water or sewage over the septic system, a strong septic smell outside, new and healthy grass growing over the drain field, and plumbing backups in your sinks, bathtubs, or toilets.

Expect to take at least a day to drill your own well by hand. For a 500-foot well, this could take even longer, depending on the makeup of the soil and the terrain you are drilling through. Other factors include your physical strength and overall fitness level and the weather conditions you’re working in.

The efficacy of a drain field depends on a wide variety of factors, though a well-maintained one can last as long as 40 or 50 years. Of the different types of septic tanks on the market, concrete and plastic tanks tend to last the longest—upwards of 40 years if they’re pumped regularly—while steel tanks have a tendency to rust over time and may need to be replaced after 15 or 20 years.

The Sully, IA homeowners’ guide to septic tank services

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