Delaware Valley Septic
“They answered all my questions and made me feel confident in understanding what was happening.”
Best Septic Tank Installers near Upper Darby, PA
These companies serve Upper Darby from nearby bases in towns including Springfield, Garnet Valley and Ogden.
10 companies listed · 4 open 24/7 · 5 open weekends · 9 rated 4.5+ · 2 show a license
Data verified November 7, 2026
B Martin Wastewater Services
“So pleasant and told me exactly what he was going to do.”
SPS Mechanical
“SPS does such a great job of maintaining our HVAC unit for many years.”
McGovern Septic
“They are very knowledgeable and took the time to explain to us the issue they saw and how they were going to repair it.”
Professional Plus Services Inc
“As a Realtor, it's important to me to have someone very knowledgeable in his fields and Mark is definitely a pro at all he does.”
P R Environmental Designs Inc
“He thoroughly explained everything as we went along, helped me through the application processes with the Chester County Health Department and worked seamlessly with other contractors doing renovation on the houses at the same time.”
The 10 companies listed for Upper Darby, PA design and install septic systems and replace failed drain fields. Each company's own site is the source for its hours, license claims and estimate policy. Ask who pulls the permit and who schedules the health department inspection.
Area overview: Upper Darby, PA
The 10 companies on this page are rated from 4.2 to 5.0 across 1,564 reviews; 4 have 50 or more reviews and 9 are rated 4.5 or higher. 4 are open around the clock; 5 are open on Saturdays and 4 on Sundays. 2 show a license on their websites and 1 has a BBB rating of A or A+. All 10 have ten or more years of experience, the longest 39 years. 7 offer emergency call-outs; 1 offers financing or payment plans; 2 give free estimates and 1 is family- or locally-owned. We have a website on file for all 10 of the companies on this page; 8 publish a contact page; 7 list a public email and 1 takes bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any listed installers say they are licensed?
2 of the 10 listings for Upper Darby show a license on their websites. Septic installation is licensed separately from general contracting in many places, so confirm the credential covers on-site sewage work rather than excavation in general. The health department that issues permits can usually tell you who is approved locally.
Delphi Contracting Inc
Joseph Walls Inc
“They were conscientious about minimizing the impact to the surrounding lawn and trees and only drove the machines on the parts of the lawn that were necessary.”
Parker Wastewater Consulting
Onsite Management
“On Site has been servicing our septic system for over a decade and been responsive whenever we've needed septic help.”
Why these companies made our list
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