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CSI-Culley's Septic is a septic company whose website gives Berlin as its service area and lists septic tank pumping, cleaning and inspection, septic pump installation and repair, and commercial pumping. On Google it holds 4.9 stars from 140 ratings. A recent customer said the Culley folks have cared for their Bolton septic system for the last 40 years. A recent customer said the service was timely and the lawn was left clean. A recent customer who rents a seasonal porta-potty said the company's quote was the best price of the quotes they got and the unit was delivered on time. A 2026 customer said they had Culley's perform a Title 5 inspection and was very happy. A 2025 customer said they had been with Culley Septic since 1988 and most recently had the system inspected for a Title 5 certificate. A 2024 customer said they called with a septic backup and Jeff and team came out within the hour and fixed the problem. A 2025 customer said Jeff and his team got their septic cleaned out before a family 4th of July party. A 2022 customer said the guys pumped the septic in less than an hour and gave general information about maintenance and when to pump next. A 2022 customer wrote that the portable restrooms at their annual truck show drew many comments on how clean they were. A 2025 customer said a $65 "digging fee" that was not mentioned in the quote was added after a septic pumping job, and that the company replied "we tell everyone." A 2022 customer said they were overcharged on a credit card and the company refused to fix it and hung up.
“CSI/Culley's Septic: Family firm meets homeowners” needs for septic, Title 5 service”
Timely service and the lawn left clean. Very pleased.
Culley’s septic is professional, responsive, and thorough. We wouldn’t want to work with anyone else. Highly recommend!
Excellent service in septic system cleaning!
The Culley folks are always efficient, friendly, and informative. They have cared for our “classic” Bolton septic system for the last 40 years [and probably more!].
Prompt dependable service!
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1 change recorded — last scanned Oct 9, 2026.
Greenhouse installation4.9
Septic removed and house tied into town sewer4.8
Custom pours4.8
Pool fill-ins other companies called too complicated4.7
Fast concrete delivery3.1
1,000 sq ft addition built in 20243.9