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

Avatar for Royal Flush Plumbing, LLC
Royal Flush Plumbing, LLC
4.9(
45
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Unity, ME and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"I would highly recommend royal flush plumbing to anyone. Matt is awsome.i needed my trailor sewer line ran 125 feet and all hook ups under the trailor done. He finished the job very fast and professionally. He worked through the pouring rain to complete the job.He knows the plumbing codes and laws very well."
Response time4 hrs
Response rate90%
Recommended by93%of homeowners
Avatar for Vins plumbing and heating llc
Vins plumbing and heating llc
4.4(
7
)
Septic System - Install or ReplaceSeptic System - Repair

Serving Unity, ME and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Offers commercial services

"Very professional, went straight to work as soon as he came in and didn't take breaks. Was done in 2 hours then stayed an extra hour to take care of another issue with the drain. Very pleased with the work, looks great and will definitely hire him again if I need a plumber!"
Mercer Maine cabin
1 neighbors recently requested a quote
Avatar for Atlas Earthworks LLC
Atlas Earthworks LLC
5.0(
6
)
Septic System - Install or Replace

Serving Unity, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"I hired atlas earthworks to put a driveway and parking lot in on a remote piece of land I purchased. He was easy to commute with and did a great job. I even added some work to the job and he finished ahead of schedule. He has nice equipment and an extremely positive attitude. It was a breath of fresh air to have an honest contractor."
Driveway
Truck Door
.
.
.

+10

Response time1 day
Response rate98%
3 neighbors recently requested a quote
Avatar for Shaw Excavation & Earthwork, LLC
Shaw Excavation & Earthwork, LLC
5.0(
4
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Unity, ME and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Small jobs welcome

"Highly recommended! Shane talked with us as well as walked our property giving us step by step direction on what he was going to do As well as his input and advice on what to use, placement of house, driveway etc! Shane and Jared started and finished doing exactly what was needed in a great timely manner. Their work was detailed and neat and we could not be happier!! We will definitely be reaching out to Shane and his crew for any further work we will need at our property! Thanks again!!"
Start of Demolition
House Demo After
House Lot After
Finished clearing
Before Lot

+1

Response time1 day
Response rate90%
8 neighbors recently requested a quote
Avatar for D&D Earthworks
D&D Earthworks
5.0(
4
)
Septic System - Install or ReplaceSeptic System - RepairSeptic System - Install or Replace - For Business+1 more

Serving Unity, ME and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"D&D was quick to call us back, to walk the site and give us a quote, they started the job earlier than they thought they could, and worked all day/ every day to finish the job. The yard was raked, leveled, and seeded . Dustin is a knowledgeable professional, we couldn't be happier with the install. We were so pleased with his work that we hired him to do some extra grading for us."
Septic system
Septic system
Response time4 days
13 neighbors recently requested a quote
Avatar for Advanced Land Services
Advanced Land Services
4.1(
12
)
Septic System - Install or Replace

Serving Unity, ME and surrounding areas

Approved

In business since 1993

Free estimates

Credit card accepted

"Paul and his crew are excellent. Work was done like described, Kept me informed and did the whole job in one day. Several Stumps, several trees dropped and all cleaned up with top soil. This man has a great business and it will surely grow with the hard work they all do."
Making room for a new garage
Making room for a new garage
Making room for a new garage
Making room for a new garage
Making room for a new garage

+79

Response time3 days
1 neighbors recently requested a quote
Recommended by100%of homeowners
Showing 1-10 of 27
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.

Needing to pump the tank as soon as it “looks” full is a common myth about septic systems, as wastewater will eventually drain into the leach field. Instead, it’s better to determine how many solids have accumulated. A septic maintenance technician near you can test this to find out whether pumping is necessary.

For homes with a septic tank, harsh chemicals like those found in drain cleaner or bleach aren’t recommended. Some chemical drain cleaners can disrupt the balance of bacteria in the septic tank or damage your pipes. For homes with a septic tank, you can choose drain cleaners specifically formulated for use with septic tanks or go with a drain snake. When in doubt, make sure you know who to call for a clogged drain. 

Although cesspits may be necessary depending on your main sewage system access or nearby soil quality, they carry a few drawbacks. Cesspools require regular emptying and have relatively high maintenance and pumping costs. Certain areas also disallow the use of cesspools and may require you to cover the cost of existing cesspools to be converted into septic tanks.

Soda, coffee, and other soft drinks are highly acidic. This affects the pH in septic tanks, causing them to require more frequent pumping. However, a vast majority of people don't need to worry about septic system disruption. Pouring out the occasional flat soda doesn’t affect septic systems to the same degree as the high-volume dumping from restaurants and convenience stores.

The Unity, ME homeowners’ guide to septic tank services

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