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D.L. Docko & Son is a Northwood business whose website describes a yard of landscape materials and aggregates, including mulch, decorative stone, blue stone and loam, and says it crushes and screens its own stone. The company says it has been in business 29 years and lists a service area of Northwood, Strafford, Nottingham, Epsom, Barrington, Barnstead, Pittsfield, Chichester and Deerfield. On Google it holds 4.6 stars from 36 ratings. A 2025 customer said Docko installed a complicated residential 2-tank septic system to replace a 70-year-old system at their home, starting work 2 weeks later and finishing the install in less than a week. That 2025 customer wrote that David was very thorough in the consultation, that the job site was left very clean after each day, and that the state inspector complimented the work. A 2025 customer said David came back after their new septic system was completed to grade and loam the back property and place stone around the house foundation, under the decks and for a new firepit. A 2023 customer wrote that the company had done work for them for almost 20 years, including septic systems, excavations and rock retaining walls. A 2026 customer said they drove respectfully by the customer's horses on a private road with a pump truck, and delivered driveway material promptly at a reasonable rate. A 2024 customer said the driver came to find them on the property to make sure the material was dropped exactly where it was needed. A 2023 customer said they called Docko at 7am and had rocks in their yard by 9:30. A 2024 customer buying material for an outdoor arena said the product was delivered with the quantity calculated incorrectly, about 1/6 of what was needed, and was the wrong material. That 2024 customer wrote that a 10% discount on the remaining material was "approved" but then refused when it came time to pay the bill.
Very professional. Very busy. Very good.
Reliable, fast, quality service by top of the line and above all friendly customer service! David is our recommendation to all family, friends and neighbors!
Awesome company, great prices
My first experience with Docko was how respectfully they drove by my horses on a private road with a pump truck. When in need of material for our driveway they delivered promptly a great product at a reasonable rate. Very impressed with this company and would recommend them to anyone in the area. Thanks Docko!
Perfect septic contractor. Docko installed a complicated residential 2 tank system to replace a 70 year old system at my home. I had gotten 3 other quotes. David was very thorough in the consultation and answered all my questions. They started work 2 weeks later and finished the install in less then a week. It would be difficult to find another machine operator as skilled as David. I knew I made the correct choice after the first day. Materials they used were top choice. Job site was left very clean after each day and when they arrived they never stopped working. They really went above and beyond anything I expected. Communication was excellent and even the state inspector complimented the work. You won’t have any worries if you choose Docko for your septic installation. AAA+ We are extremely pleased with their work.
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1 change recorded — last scanned Oct 18, 2026.