About
For over 30 years, Duncan Downie's Septic & Excavation has proudly served the Connecticut Shoreline with reliable septic and site work services. Family-owned and based in Old Saybrook, we specialize in septic system cleaning, repairs, and installations, as well as excavation and dumpster rentals. Our licensed team combines experience, precision, and care to ensure every job is completed efficiently and respectfully. We take pride in quality craftsmanship and treating every property as if it were our own.
Contact us
Hours
Closed
| Monday | 8:00 AM – 4:00 PM |
| Tuesday | 8:00 AM – 4:00 PM |
| Wednesday | 8:00 AM – 4:00 PM |
| Thursday | 8:00 AM – 4:00 PM |
| Friday | 8:00 AM – 4:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Reviews
4.6 out of 5
(20 reviews)
4.6
5
4
3
2
1
Nan Thornqvist
4 months ago
Having just moved to CT, I was nervous because I didn’t know who to use to install a new septic tank for our house. Thank goodness my realtor recommended Downie’s! They know their stuff and go above and beyond to do a job right for a fair price. Shout out to Lee and his crew for taking such great care of us-he patiently answered my questions, and easily did some trouble-shooting when something unexpected with our site came up! I will definitely use them again, and recommend them to anyone needing septic or excavation work! They truly care about their customers! Thank you Downie’s!
Stacy Briotti
4 months ago
We have used Downie’s Septic & Excavation for so many things over the years and would never go with anyone else! They are so easy to schedule a septic pump out or inspection with, they were so easy to work with when we put on an addition, bringing in different machines when needed, dumpster services! You name it they have it! They’re the best.
About
For over 30 years, Duncan Downie's Septic & Excavation has proudly served the Connecticut Shoreline with reliable septic and site work services. Family-owned and based in Old Saybrook, we specialize in septic system cleaning, repairs, and installations, as well as excavation and dumpster rentals. Our licensed team combines experience, precision, and care to ensure every job is completed efficiently and respectfully. We take pride in quality craftsmanship and treating every property as if it were our own.
Hours
Closed
| Monday | 8:00 AM – 4:00 PM |
| Tuesday | 8:00 AM – 4:00 PM |
| Wednesday | 8:00 AM – 4:00 PM |
| Thursday | 8:00 AM – 4:00 PM |
| Friday | 8:00 AM – 4:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Reviews
4.6 out of 5
(20 reviews)
4.6
5
4
3
2
1
Nan Thornqvist
4 months ago
Having just moved to CT, I was nervous because I didn’t know who to use to install a new septic tank for our house. Thank goodness my realtor recommended Downie’s! They know their stuff and go above and beyond to do a job right for a fair price. Shout out to Lee and his crew for taking such great care of us-he patiently answered my questions, and easily did some trouble-shooting when something unexpected with our site came up! I will definitely use them again, and recommend them to anyone needing septic or excavation work! They truly care about their customers! Thank you Downie’s!
Stacy Briotti
4 months ago
We have used Downie’s Septic & Excavation for so many things over the years and would never go with anyone else! They are so easy to schedule a septic pump out or inspection with, they were so easy to work with when we put on an addition, bringing in different machines when needed, dumpster services! You name it they have it! They’re the best.
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