We Move The Earth California Is Built On
A full-service general engineering contractor delivering excavation, grading, underground and paving for residential, commercial and public works across Northern California.
Full-Scope General Engineering
Self-performed earthwork, underground and site construction — one accountable crew from first cut to final grade.
Excavation
Cut and fill, trenching, foundations and building pads dug to plan and to spec.
Site Development
Raw land turned into build-ready sites — clearing, grading, utilities and access.
Mass Grading
GPS-guided grading, earthwork balancing and engineered compaction at scale.
Septic Systems
Design-build septic installs, repairs and replacements to county standards.
Land Clearing
Mastication, brush and tree removal, fire breaks and defensible-space work.
Underground
Water, sewer, storm drain and dry utilities — trenched, laid and backfilled.
Demolition
Structures, pools and concrete removed, hauled and left graded and clean.
Asphalt
Paving, overlays, patching and seal coat for lots, roads and driveways.
Concrete
Flatwork, footings, curbs and retaining structures poured and finished.
Recent Projects
Nine recent jobs across Northern California. Hover a before/after job to see the transformation, or click any card to open the full photo set.
AfterBefore
10
Yuba City Self Storage
Cleared 45 trees, demolished 3 buildings and foundations, and mass-graded 5 acres into 11 pads totaling 115,000 sqft.
AfterBefore
13
Newcastle Shop Pad
Tree removal and a 4,800 CY cut and fill, with a keyway and compacted slope to build a finished shop pad.
AfterBefore
2
Auburn Demolition
Demolished a shed tied into a house, disconnected utilities, and hauled off and cleaned up the site.
AfterDuring
5
Doxa Church
Excavation and concrete prep, pour and finish, plus railing installation for the church grounds.
AfterBefore
3
Grass Valley Clearing
Masticated a 1-acre lot, opening the overgrown property back up and reducing fire fuel.
AfterBefore
3
Wolf Rd Pad Build
Imported 1,100 CY of fill and compacted it to build a stable house pad.
AfterBefore
2
Newcastle Backyard
Hauled out topsoil, laid weed fabric, and finished the backyard with fresh bark.
AfterDuring
2
Carmichael Mastication
Masticated and cleared a wooded area down to clean, open ground.
1
Mill Valley Hillside
Masticated an overgrown hillside to keep it from spilling out onto the road.
Built To Do The Job Right
Modern Fleet
Late-model, GPS-equipped iron kept ready to run and roll to your site.
Safety First
A zero-incident jobsite culture that protects our crew and your schedule.
Self-Performed
Our own crews on the work — one point of accountability, start to finish.
On Time, On Budget
Straight bids and build-ready sites delivered when we said they would be.
We Send Every Crew Home The Way They Came
Safety isn't a checkbox on our jobsites — it's how we run every project. Trained operators, daily hazard checks and a culture that puts people before schedule keep our crews, your site and everyone around it protected from first cut to final grade.
Safety-First Culture
People before schedule, on every job.
Trained Operators
Experienced crews running modern iron.
Licensed & Insured
CA Lic #1156819 — fully bonded.
From Quote To Build-Ready
Quote
Walk the site, scope the work and give you a clear, honest bid.
Plan
Line up permits, schedule and crews so the job starts clean.
Execute
Self-performed earthwork, underground and site construction.
Site-Ready
Graded, compacted and cleared — ready for the next phase.
A Northern California General Engineering Contractor
Golden State General Engineering is a full-service earthwork, underground and site-construction contractor serving residential, commercial and public-works clients across Northern California. With years of experience and a relentless focus on safety, precision and customer satisfaction, we transform challenging sites into clean, stable, build-ready land — on time and on budget.
From the first cut to the final load-out, we do the job right: safely, cleanly, and with a modern fleet and a battle-tested crew behind every project.
Start Your ProjectServing Northern California
- Sacramento
- Placer
- El Dorado
- Yolo
- Sutter
- Nevada
- Yuba
- & surrounding
Not sure if you're in our area? Give us a call — if we can get the iron there, we can help.
Ready To Break Ground?
Tell us about your site and we'll get you a bid.
