Boise, Idaho · Over 30 Years in the Ground
Excavation, Septic & Sewer Work Done Right in Boise, Idaho
Shamrock Construction & Excavation handles excavation, septic systems, sewer lines, water lines and drainage across Boise and the Treasure Valley. One trusted crew for the whole job, on call 24 hours a day.
Our Services / 01
Excavation, Septic, Sewer, Water & Drainage
From full site preparation and utility trenching to septic tanks, drain fields and sewer repairs, we deliver dependable work for homes, businesses and rural properties throughout Southwest Idaho. No juggling contractors or timelines. One team handles it start to finish.
Excavation
Site prep, building pads, foundation and basement digs, grading, demolition and land clearing. See our excavation services in Boise.
Septic
New systems, tank replacements, drain fields and repairs, from basic tanks to advanced aerobic units. Explore septic system installation and repair.
Sewer
Diagnostics, repairs, replacements and new installs, with trenchless options that spare your landscaping. Read about our sewer line services.
Water
Leak detection, targeted repairs and full replacements that restore clean, reliable water. Learn about water line repair and installation.
Drainage
French drains, grading corrections, sump systems and waterproofing that keep foundations dry. See our drainage systems and solutions.
Why Shamrock / 02
Over 30 Years of Excavation Experience in the Treasure Valley
Shamrock Construction & Excavation is the team Idaho property owners call when the job needs to be done right the first time. With over 30 years of hands-on experience, we deliver reliable workmanship, straightforward pricing and clear communication from start to finish.
Our crew shows up prepared, equipped and ready to solve problems: septic failures, broken sewer lines, drainage issues, water line leaks and full-scale excavation projects. We treat every property with respect and build work that lasts.
One-Call Crew
Excavation, septic, sewer, water and drainage handled by one trusted team. No juggling contractors or timelines.
Straightforward Pricing
Clear estimates, transparent communication and zero surprises from start to finish. You always know what to expect.
24/7 Emergency Service
Count on fast response day and night when urgent septic, sewer or water line problems cannot wait.
Emergency Response / 03
Sewer Backup? Water Line Leak? We Answer at 2 AM.
When a sewer backup, water line leak or septic failure hits, you need help right now. Our team is on call day and night, ready to respond fast, diagnose the issue and get your property back to normal without delay.
Recent Work / 04
Proof Is in the Ground
Every job here was dug, set, backfilled and graded by our own crew. Browse the full gallery of excavation and septic projects across the Treasure Valley.
Customer Reviews / 05
What Property Owners Say
“We were in a bind selling a house and had to install a new drain field a week before closing. Patrick was so efficient and worked through the weekend to get the job done for us. He is very personable and always willing to go the extra mile.”
“Patrick and his team from Shamrock were professional, fast and great to work with! We used them to replace our water main and start to finish it was the best experience we could have asked for. Patrick always returned calls promptly.”
“Excellent company! We just built our own home and Patrick is so friendly, knowledgeable, and easy to work with! Patrick did many aspects of our project and I will continue to have him as our go to guy for all sorts of things.”
Service Area / 06
Serving Boise, Meridian, Nampa, Caldwell & Beyond
From Boise to Nampa, Caldwell, Meridian, Eagle and the surrounding Canyon County communities, our team is ready to help with excavation, septic, sewer, water line and drainage projects. Get straight answers, dependable service and work done right the first time.
See everywhere we work on the excavation and septic service area page.
- Boise
- Meridian
- Eagle
- Star
- Nampa
- Caldwell
- Kuna
- Middleton
- Emmett
- Garden City
- Melba
- All of Southwest Idaho
Common Questions / 07
Frequently Asked Questions
Do you service Meridian, Nampa, Caldwell and other cities outside Boise?
Yes. Shamrock Construction & Excavation works throughout the Treasure Valley, including Boise, Meridian, Eagle, Star, Nampa, Caldwell, Kuna, Middleton, Emmett, Garden City, Melba and the surrounding areas of Southwest Idaho.
Are you licensed and insured?
Yes. Shamrock Construction & Excavation LLC is licensed and insured for excavation and underground utility work in Idaho, and our installations meet municipal and public works standards.
How much does septic system installation cost in Boise?
Cost depends on the system type, soil conditions, tank size and site access. We inspect the property first, then give you a clear written estimate with no surprises. Estimates are free. Call (208) 919-4260 to schedule one.
Do you offer 24 hour emergency service?
Yes. When a sewer backup, water line leak or septic failure cannot wait, our crew is on call day and night. Call (208) 919-4260 any time and we will respond fast, diagnose the issue and get your property back to normal.
How long does a sewer line replacement take?
Most residential sewer line replacements take between one and five days depending on the method. Trenchless repairs are often finished in a day or two, while a full open cut replacement typically runs two to five days including backfill and restoration. Read more in our guide to sewer line replacement timelines.
Get Started / 08
Request a Free Estimate
Tell us about your excavation, septic, sewer, water or drainage project anywhere in the Boise area and we will get back to you with straight answers and a clear price.
Prefer to talk? Call (208) 919-4260