- CSLB Licensed #268555 • C-21 & C-12
Excavation Contractor in Tierra Buena, CA | Pina Excavating
- CSLB Licensed C-21 (Demolition) and C-12 (Earthwork) - License 268555
- 50 Plus Years Near Yuba City and Sutter County
- Free Online Cost Estimator
- Fast Equipment Mobilization from Olivehurst






Custom Home Pad Prep, Pool Digging, and Shop Slab Grading in Tierra Buena, CA
Precision Excavation for Tierra Buena Rural Residential Properties
Custom Home Building Pads
Tierra Buena sits on Sutter County clay. We strip the top 6 to 12 inches of organic soil. Next, we rough grade with a GPS-guided dozer. Then we place engineered fill in 6-inch layers and compact each one to 95 percent density. Also, we add 4 to 6 inches of Class II base rock on top. The finished surface is level to within one-eighth of an inch.
Pool Excavation
We dig to the dimensions on your pool contractor's drawing. We maintain clean, vertical walls so the shotcrete crew can work directly against native soil. Also, we stage excavated spoils away from the access path so trucks can haul debris out without damaging your yard.
Metal Shop Slabs
We grade the pad with a minimum 1.5 percent slope away from the building edges. The aggregate base goes in at 6 inches compacted. The result is a stable, dry sub-base ready for your concrete contractor.
Equipment Used on Tierra Buena Projects:
- Cat 308 Mini Excavator (pool and tight-access work)
- Cat D5 Dozer (pad grading)
- Dual-Slope Laser Scraper
- Compact Track Loader 299D2
Excavation Services for Tierra Buena, CA Rural Properties
Septic, Water Line, and Electrical Conduit Trenching in Tierra Buena, CA
Rural Tierra Buena properties rely on private wells and septic systems. When you build a new home or shop, you need to trench new utility lines from the source to the building. We call 811 before every dig. This locates all existing underground lines. Next, we dig the trench to the correct depth and slope. We bed the pipe in the right material to protect it. Then we backfill in layers and compact each one to prevent settling.
Services Include:
- Septic tank pit and leach field trench work for Sutter County permits
- Private water line trench digging from well to building
- Underground pipe trenching for propane lines
- PG&E conduit trench digging for new service extensions
- Irrigation main trench digging for orchard and garden systems
Lot Clearing, Brush Removal, and Tree Clearing in Tierra Buena, CA
Tierra Buena parcels purchased from old orchard or farm operators often have vegetation that needs to go before you can build. We remove trees, old orchard rows, brush, and surface debris. We also grub out root systems completely. A root left in the ground will rot over time and create a void under your building pad. We pull roots to at least 24 inches deep in the building footprint.
Services Include:
- Lot clearing and vegetation removal in Tierra Buena
- Orchard tree clearing and root extraction
- Brush removal and forestry mulching contractor services
- CAL FIRE defensible space fuel reduction clearing
- Old fence post and wire removal
Home Foundation Digging and Building Pad Prep in Tierra Buena, CA
Tierra Buena's clay soils expand when wet and shrink when dry. This movement can crack a slab if the foundation is not prepared correctly. We dig below the active shrink-swell zone and compact the subgrade to a depth that stops movement from affecting your slab.
Services Include:
- Residential home foundation trench digging in Tierra Buena
- ADU and guest cottage pad preparation
- Metal shop and barn pad construction
- Pool excavation to contractor drawing dimensions
- Grade beam and spread footing trench work
- Compaction documentation for Sutter County building inspection
Stock Ponds, French Drains, and Stormwater Management in Tierra Buena, CA
Tierra Buena sits on flat clay ground. In winter, surface water pools in low areas. Without a drainage plan, water can reach your foundation and saturate your septic leach field. We dig stock ponds for livestock water. We also grade drainage swales to move runoff away from buildings. Also, we install French drain systems around building perimeters to keep subsurface moisture away from your slab.
Services Include:
- Stock pond and hobby farm pond digging in Tierra Buena
- French drain installation around foundations
- Drainage swale grading on rural acreage
- Retention basin excavation for Sutter County compliance
- Culvert installation at driveway crossings
- Septic buffer drainage improvements
Why Tierra Buena, CA Clients Work With Pina Excavating
50 Plus Years of Sutter County Experience
We have worked the clay soils of Sutter County for five decades. We know how to prep a pad that passes inspection and holds a slab without cracking.
Dual CSLB Licensure - C-21 and C-12
Heard Construction lacks C-21 demolition authority. We carry both licenses. This means we can tear down an old outbuilding and grade the new pad in a single mobilization, saving you money and time.
Right-Sized Equipment for Rural Properties
A Cat 308 mini excavator and compact track loader can navigate your property's gates and avoid your landscaping. We bring the right machine size for the job, not the biggest one in the yard.
Free Online Cost Calculator
Get a preliminary cost estimate for your Tierra Buena project before calling. Our online calculator gives you a line-item breakdown based on your pad size, trench footage, and acreage.