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TRUSTED BY OSSINING, NY HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon92
    Verified septic tank services reviews

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

Avatar for Great Bear Septic Service
Great Bear Septic Service
4.8(
33
)
Septic Tank - Clean or Pump OutSeptic System - Install or ReplaceSeptic System - Install or Replace - For Business+3 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Couldn't be happier with the service we've been receiving from Great Bear Septic over the years. They are professional, take the time to answer our questions, and are unfailingly cheerful. They are a pleasure to work with. When we first purchased our home ten years ago, we had Earthcare take a look at our system. They tried to talk us into a $20,000+ replacement of our system. Something didn't seem quite right, so on the recommendation of friends, we reached out to Great Bear. Ten years later, with regular pumping from Great Bear, system still works great. In addition to all their other fine qualities, the team at Great Bear is trustworthy! Could not ask for more."
Additional Photos
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Response time1 day
Response rate100%
1 neighbors recently requested a quote
Avatar for ProSeptic
ProSeptic
4.3(
373
)
Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Ossining, NY and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Great experience from my phone conversations with Jason through the day of work! Would highly recommend this company. They cleaned out my septic tank thoroughly and without issue. Thanks"
 inlet pipe to tank
 JETTING D-BOX
 tank set in ground
 JETTING OF D BOX
 removal of metal tank

+11

Response time1 day
40 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for BILLYS SEPTIC SERVICES LLC
BILLYS SEPTIC SERVICES LLC
5.0(
7
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Ossining, NY and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"As a real estate owner/broker and homeowner. Billy does all of our septic inspections and necessary repairs for my real estate agency and its clients. His thoroughness and attention to detail are outstanding. I am confident when I recommend him to my clients. He has even performed his services on my property, installing a septic tank and fields. The septic tank was under a manicured landscaped area with pavers, stone walls, and steps between my house and garage, with very limited access. He actually built a ramp for the machines to traverse the stone wall to access the site. Removed the old septic tank, installed the new one, and put everything (including plants he had to remove) back in the same place. I can't believe it looked like it never happened. I recommend Billy to everyone I encounter who needs septic or drainage work."
Canopus Hlw Septic Instal
Canopus Footing
Canopus Tanks
Canopus Trenches
Ridge Tank

+15

Response time2 hrs
Response rate94%
Recommended by100%of homeowners
Avatar for Aqua Tech Plumbing
Aqua Tech Plumbing
4.7(
3
)
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Ossining, NY and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"I had an exceptional experience with Aqua Tech Plumbing! Their professionalism, expertise, and customer-centric approach truly impressed me. From the initial scheduling to the completion of the job, every interaction was seamless and courteous. They, arrived promptly, diagnosed the issue quickly, and provided a clear explanation of the necessary repairs. Their work was efficient, neat, and of the highest quality. What stood out most was their dedication to ensuring I understood every step of the process and was completely satisfied with the outcome. Their attention to detail, respect for my property, and willingness to answer questions were truly appreciated. I highly recommend Aqua Tech Plumbing for any plumbing needs. Their commitment to excellence, fair pricing, and outstanding customer service makes them a gem in their industry. Five stars isn't enough - I'd give them ten stars if I could!"
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+2

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for County Septic Tank Co., Inc.
County Septic Tank Co., Inc.
New to Angi
Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+1 more

Serving Ossining, NY and surrounding areas

Approved

In business since 1956

County Septic Tank Co., Inc., proudly serves its customers with pride, integrity, and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today! We have the knowledge and experience to help asertain any speitc system problem or installation. Through our many years of experience and being the family owned business that we are, we take the mystery and problems out of installing new systems, repairing old ones, or just finding out what is going on and we can figure out a course of action.

Full Service
Installation
State of art equipment
Response time3 hrs
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Septic Tanks FAQs, answered by experts

Yes, experts handle manual pumping, chemical flushing, and equipment use properly, ensuring thorough cleaning and legal compliance with disposal regulations.

Septic tanks aren’t bad for the environment as long as they receive proper maintenance and attention. This means staying up-to-date with professional septic system inspections and septic tank pumping. Without regular maintenance, parts of the septic system could break or stop working, potentially letting harmful waste into the soil and groundwater.

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.

The pressure in a well pressure tank should be set 2 to 3 PSI below the pump's cut-on pressure. The cut-on pressure is the lower number in the pressure setting (e.g., the '30' in 30/50 PSI) and is the point at which the pump starts. The cut-out pressure is the higher number, where the pump stops.

For example:

  • If your pressure switch is set to 30/50 PSI, the tank pressure should be 27-28 PSI.

  • If your pressure switch is set to 40/60 PSI, the tank pressure should be 38 PSI.

Common pressure settings for household applications include 20/40, 30/50, and 40/60 PSI. The difference between the cut-on and cut-out pressure is typically 20 PSI.

Septic tanks and cesspits are both types of sewage and wastewater systems, but they differ in key ways. The main difference between the two systems is that septic tanks separate sewage from wastewater and allow the latter to flow into a drainage field to filter and disperse into the soil. Cesspits don’t have outlets and instead, store sewage until it needs to be pumped by a professional.

The Ossining, NY homeowners’ guide to septic tank services

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