Excavation & site preparation
From the first cut to the final grade, get your property ready for what comes next.
- Building excavation & footings
- Site preparation & backfill
- Yard grading & drainage
- Driveway & access preparation
CORNERSTONE CONCRETE & EXCAVATION
One crew.
Solid ground.
A job done right.
From excavation and underground utilities to foundations and finished concrete. Work directly with the owners from the first conversation to the final grade.
BASED IN SPENCER, IDAHO · BUILT FOR RURAL JOBS
EXCAVATION / UTILITIES / CONCRETEIllustrative imageOWNER-LED WORKCLEAR, WRITTEN SCOPEONE COORDINATED SITE PACKAGE
HIRE ONE PHASE. OR BRING IT ALL TOGETHER.
What’s next
on your property?
A home. A shop. A better driveway.
Let’s get the groundwork right.
Septic, water & power
Bring your underground work together under one coordinated scope, with the right sequence from trench to backfill.
- Septic system installation
- Water lines & service trenching
- Power trenching & conduit
- Utility coordination & backfill
Foundations, ICF & structural
Footings, foundation walls and structural concrete built around your plans, site conditions and the next trade on the job.
- Footings & foundation walls
- Insulated concrete forms (ICF)
- Structural concrete
- Garage & shop foundations
Driveways, slabs & garage floors
Careful preparation beneath the surface. Clean, practical concrete where you live, park and work.
- Concrete driveways
- Garage & shop floors
- Patios & walkways
- Slabs & concrete approaches
Utility and septic work is scoped around local requirements, approved plans, inspections and required licensed trades.
OWNER-LED.
HANDS-ON.
Owners- Chad Sudweeks and Alex CorbittCORNERSTONE
THE PEOPLE BEHIND THE WORK
We actually answer
the phone.
You’re talking to the people who will be responsible for your job. Chad Sudweeks and Alex Corbitt work directly with homeowners and builders to sort out the scope, access and schedule before work starts.
We take on rural sites and the practical challenges that come with them. We’ll tell you what the job needs, what we can commit to, and what needs a closer look.
PROJECT GALLERY
Completed projects.
JOB PHOTOS COMING SOON
Gallery in progress.
Photos and details from completed Cornerstone jobs will be added here.
REVIEWS & CUSTOMER PHOTOS
Customer feedback.
No published reviews yet. Have we worked on your property? Your feedback helps the next customer know what to expect.
Worked with Cornerstone?
Leave a review and upload photos from your job.
Reviewed before publication. Contact details stay private.LET’S GET TO WORK
Tell us what
you’re building.
Send your location, approximate dimensions, and photos of the jobsite and equipment access. Include plans if you have them. We’ll review the scope and follow up about pricing and availability.
Where we work
Southeast Idaho
Northwest Montana
Western Wyoming