STA 0+00 — Est. 2014 · Hopland, CA
Every build starts in the dirt.
Excavation, grading, septic systems and site prep for landowners, ranches and builders around Mendocino County. Owner-operated by Cole Cupples.
- Established2014
- Owner-operatedCole Cupples
- CSLB #999200C-12 Earthwork
- USDOT 3281649Own trucks
- North Coast Builders ExchangeMember
STA 1+00 — Services
What we move.
From one septic replacement to a full site package, with our own machines, operators and trucks.
- 01
Excavation & grading
Cut, fill and finish grading for driveways, roads, yards and building sites.
- 02
Building pads & site prep
Clearing, pads and compaction so foundations start on solid, level ground.
- 03
Septic systems
Tank and leach field installation and replacement.
- 04
Sewer laterals & trenching
Trenches for sewer laterals, water lines and power runs.
- 05
Demolition
Tear-down and removal of structures, including fire-damaged buildings.
- 06
Hauling
Our own trucks for moving material, equipment and debris.
STA 2+00 — Who we work for
Landowners
Driveways, house pads, septic and the drainage that keeps winter rain where it belongs.
Ranches & vineyards
Ranch roads, pads for barns and shops, and trenching for water and power across open ground.
Builders & GCs
Site prep, utility trenching and demolition on the builder's schedule, by a licensed C-12 contractor.
STA 3+00 — How a job goes
Cut. Fill. Compact. Done.
- STA 3+00
Walk the site
We come out and look at the ground, access and drainage.
- STA 3+20
Written estimate
A clear scope and price before anything moves.
- STA 3+40
Permits & 811
Permits lined up and underground utilities marked before we dig.
- STA 3+60
Dig, place, compact
Cut, fill and compaction done in lifts to spec.
- STA 3+80
Final grade & cleanup
Finish grade, drainage checked, site left clean.
STA 5+00 — The Cupples family
Two companies. One family name.
Rick Cupples started building in Mendocino County in 1976. His sons grew up on his job sites. Casey runs projects at Cupples & Sons Construction, and in 2014 Cole started Cupples Excavating to work the ground itself.
Since 1976 · UkiahCupples & Sons ConstructionGeneral contractor for schools, clinics and civic buildings. Visit the site →
Since 2014 · HoplandCupples ExcavatingExcavation, grading, septic and site work. You're here.STA 6+00 — Free estimate
Tell us about the ground.
Pick the job, tell us where it is, and we'll set up a time to walk the site. Faster still: call Cole.
(707) 972-2918