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Top-Rated Septic tank pros in Willow - Updated Nov 2026

Avatar for DISCOUNT MECHANICAL HEATING & PLUMBING SERVICES, LLC
DISCOUNT MECHANICAL HEATING & PLUMBING SERVICES, LLC
4.2(
13
)
Septic System - Install or Replace - For Business

Serving Willow, AK and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

We're a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction!

Boiler Install
95% Boiler
Response time2 days
Response rate96%
1 neighbors recently requested a quote
Avatar for E&M Dirtworks LLC
E&M Dirtworks LLC
New to Angi
Septic System - RepairSeptic System - Install or ReplaceSeptic System - Install or Replace - For Business+1 more

Serving Willow, AK and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

We are extremely passionate about the work that we do. You can depend on us to provide a high-quality service at a fair and honest price. We understand that the future of our business depends on our reputation, and that is why customer service is our highest priority. If you're looking for a professional you can trust, please call today to schedule a no-obligation estimate.

Response time3 days
Response rate93%
4 neighbors recently requested a quote
Guaranteed Services, LLC
5.0(
11
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Willow, AK and surrounding areas

In business since 1990

Free estimates

Credit card accepted

"Install new septic system! Attention to detail. Great communication every step of the way! Would recommend this company! Did what they said they would do for the cost they said they would!! Crew friendly and courteous!"
Projects
Projects
Projects
Projects
Response time2 days
Recommended by90%of homeowners
Avatar for Arctic Septic and Restoration, LLC
Arctic Septic and Restoration, LLC
4.8(
23
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Willow, AK and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"I needed an Emergency septic pumped out, it had backed up into the lower tub. They were busy as others that I called that day, but Tony said he would get it pumped ut but it may be later as they were on another job. Later Josh called and said he would be here today even if it was later tonight. Well he showed up, it was dark by then about 8 pm and he got the job done just as he promised. and he wanted to know the system checked out ok before he left. Very professional and a job well done."
Response time2 days
Recommended by100%of homeowners
ASAP Sewer and Drain, Inc.
4.5(
7
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair

Serving Willow, AK and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We are 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. \n

Response time1 hour
Recommended by85%of homeowners
Avatar for 911 Plumbing and Heating Services
911 Plumbing and Heating Services
4.6(
8
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Willow, AK and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"After calling about half a dozen of other companies where no one would come out, I called 911 Plumbing after a recommendation on Facebook. I called Dylan and he was over here within an hour. He worked from 9:30 PM until 2 in the morning. His rates were great and he's really knowledgeable. I was so impressed. On a rate of 1-10, I'd give him an 11. I'm going to have him back for any regular plumbing work as well as emergency work and will refer him to all of my friends. His type of concierge service is unlike anyone else in the business."
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+11

Recommended by83%of homeowners
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Septic Tanks FAQs, answered by experts

Yes, it is generally okay to oversize a well pressure tank, and it will not harm your well system. The primary advantage is that a larger tank reduces frequent pump cycling, leading to longer, slower cycles with fewer startups. This can result in less wear and tear, potentially increasing the lifespan of the pump and conserving energy. However, there are drawbacks to consider. Oversized tanks have a higher upfront cost and require more physical space. While not necessarily a bad thing, opting for a tank that is appropriately sized for your well is often the most efficient choice in terms of cost and space.

If your septic tank is still within its expected lifespan and you need to relocate it on your property, it's possible to do so. However, because the task is so labor-intensive and costly, most homeowners simply choose to abandon the old tank if possible and install a new system in the new location. In either case, hiring a professional installation company will be necessary for the job. 

The average cost to replace a septic tank or install a new system is typically around $7,350, with a broader average range of $5,000 to $12,000. However, total project costs can vary widely, from $5,000 to as much as $22,500. Key factors influencing the price include the size and type of the septic system, the tank material, and the size of your house.

It's important to distinguish between the cost of the tank itself and the cost of the entire system installation, which is significantly more. For the tank alone, costs vary by size:

  • A tank for a one-bedroom house typically costs $500 to $900.

  • A 1,000-gallon tank, suitable for most one- to three-bedroom homes, costs between $900 and $1,500.

  • A tank for a five- or six-bedroom home generally costs $1,200 to $1,600.

While not strictly necessary for your septic system to operate, septic tank risers are a highly beneficial and wise choice for homeowners. They provide easy access to your tank, which makes regular maintenance, inspections, and addressing issues significantly easier and less labor-intensive. By eliminating the need for repeated excavation to locate the tank, risers can save you money, labor, and energy in the long run. This easy access allows you to proactively manage your septic system, addressing potential problems before they become costly and ensuring the system's longevity. Additionally, some local regulations may require risers, and installing them can help you avoid potential fines or penalties.

Never use Drano on blocked toilets. You can end up with a ghastly leak because the chemicals eat away at the glue that holds pipes together just as effectively as they do with clogs. Drano is known for being particularly rough on toilets, which is why some plumbers actually dislike the product. 

The Willow, AK homeowners’ guide to septic tank services

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