
Serving Kingston, ID and surrounding areas
Approved
In business since 2025
Free estimates
"I have hired nate for many jobs. All done perfect. Absolutely no complaints"





+6


Serving Kingston, ID and surrounding areas
Approved
In business since 2025
Free estimates
"I have hired nate for many jobs. All done perfect. Absolutely no complaints"





+6

Serving Kingston, ID and surrounding areas
Approved
In business since 1990
Free estimates
Warranties offered
"I would highly recommend Duncan Construction & Development! Great communication, Fair pricing, reliable., and quality work. They did a great job from start to finish!! Answered all our questions at our site evaluation and finished our job in a timely manner. Did a great job with our excavation and septic install . Will definitely use them again in the future on more projects!"

Serving Kingston, ID and surrounding areas
Approved
In business since 2021
Free estimates
Small jobs welcome
"Returned my call immediately. Came the next day and was able to clean out the roots in our main line."
Serving Kingston, ID and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
Results driven business owner with 30+ years of experience in landscape/irrigation and excavation to include site prep and final grade, trenching and drainage systems.\n*landscape and irrigation\n*hardscapes - paver patios, walkways & retaining walls\n*licensed septic installer \n*concrete prep and install\n\n

Serving Kingston, ID and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"He did a great work and very timely. Cost of the work was very satisfactory."





+34
Serving Kingston, ID and surrounding areas
In business since 2020
Free estimates
Warranties offered
"We recently worked with Flathead Excavation and couldn't be happier with the experience. From start to finish, their communication was outstanding—they kept us informed every step of the way, answering all of our questions promptly and clearly. The quality of their work was exceptional, and they went above and beyond to ensure everything was done to the highest standard. Their team demonstrated incredible professionalism, attention to detail, and a genuine commitment to delivering results that exceeded our expectations. If you're looking for a reliable, hardworking excavation company that truly cares about its clients and the work they provide, I highly recommend Flathead Excavation. A top-notch team that you can trust!"





+163

Serving Kingston, ID and surrounding areas
In business since 2020
Free estimates
Credit card accepted
"He did a good job and I would use him again."

Serving Kingston, ID and surrounding areas
In business since 2023
Free estimates
Credit card accepted
"Driveway is amazing. Can't wait for the other work. Quick, efficient and not a arm & a leg very affordable. Which isn't something we say much anymore with high inflation"





+14
Serving Kingston, ID and surrounding areas
In business since 2020
Free estimates
Offers commercial services
"They have not started work yet. We needed to clear out the garage first. Start date is March 28 by mutual agreement"

Serving Kingston, ID and surrounding areas
In business since 2016
Emergency services offered
Warranties offered
"He is good to work with."
Depth depends on the type of installation and the regulations in your area. Water supply lines typically require 24 inches, while drainage pipes are often installed 36 inches below grade. For most general projects, a depth of 12 to 24 inches and a width of about eight inches is sufficient. Sticking to these specs keeps your utilities safe, code-compliant, and easier to maintain later.
When you need to run utilities underground, you’ve got two main options: boring or trenching. Boring employs directional drilling to install utilities without exposing a continuous channel, while trenching requires excavating an open channel to place utilities securely. Directional drilling preserves landscape integrity, whereas trenching provides direct access for installation, albeit with greater surface disruption. This clear comparison helps you select the method best suited to your project.
Plan on 12 hours to dig 100 linear feet when the soil is cooperative and you can work continuously. This timeframe applies when work is performed consistently and methodically. Factors such as rocky soil, tree roots, obstructions, and frozen ground increase the overall duration, demanding extra planning and effort. Comprehensive operational planning ensures that every challenge is managed efficiently and the project is completed on schedule.
If you want your yard to look untouched, laying fresh sod over the trench is the quickest fix. New sod needs 30 to 45 days to root and blend with the rest of your lawn. A local sod pro can provide you with a firm timeline and tips to ensure the grass takes hold and maintains your curb appeal.
From average costs to expert advice, get all the answers you need to get your job done.

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