- CSLB Licensed #268555 • C-21 & C-12
Excavation Contractor in Hol'lah, CA | Pina Excavating
- CSLB Licensed C-21 (Demolition) and C-12 (Earthwork) - License 268555
- 50 Plus Years of Yuba County Foothill Experience
- Free Online Cost Estimator
- Fast Equipment Mobilization from Olivehurst






Rural Home Site Clearing, Septic Trench Digging, and Foothill Driveway Construction in Hol'lah, CA
One Crew Covers Your Entire Hol'lah Off-Grid Home Site From Raw Land to Move-In Ready
Phase 1: Raw Land Clearing
We start by clearing the home site footprint and the driveway corridor. This includes felling trees in the building envelope, grinding stumps, pulling root balls in the pad footprint, and pushing brush into windrows. We pay attention to CAL FIRE defensible space requirements during clearing. The cleared area around a structure in the Yuba County State Responsibility Area must be at least 100 feet in all directions.
Phase 2: Driveway Construction
For Hol'lah's foothill terrain, driveway construction involves: survey of the corridor for low-point drainage crossings, installation of HDPE culverts at each low point before grading begins, motor grader scarifies the native surface to 6 inches, Class II or Class III aggregate spread to 4 to 6 inches, motor grader crowns the road surface at 4 to 6 percent outslope, sheepsfoot roller compacts the clay base, rip-rap energy dissipation at all culvert outlets.
Phase 3 & 4: Pad & Perc-Tested Septic
Building Pad: Most Hol'lah home sites need cut-and-fill pad construction on a slope. We cut into the hill uphill and push downhill, compacting to 95 percent modified Proctor density to Yuba County standards.Perc-Tested Septic Trench: Yuba County Environmental Health requires site evaluation, engineered design, plan approval, and field inspection. We dig to exact plan dimensions using laser grade control on the excavator.
Equipment Used on Hol'lah Jobs:
- Cat 320 Excavator with Root Rake and Rock Bucket
- Cat D5 Dozer
- 140M Motor Grader
- Sheepsfoot Roller
- Water Truck
Excavation Services for Hol'lah, CA Foothill Rural Properties
Septic, Well Pump, and Electrical Conduit Trenching for Hol'lah, CA Rural Builds
Off-grid and rural properties in Hol'lah rely on private wells and septic systems. Underground electrical conduit runs from the power company's nearest pole to the house. Each of these requires a trench dug through rocky foothill soil at the correct depth and slope. Rocky ground requires a full-sized excavator with a rock bucket, not a light-duty trencher.
Services Include:
- Septic tank pit and leach field trench digging in Hol'lah to Yuba County spec
- Well pump line and pressure tank trench digging from well head to home
- PG&E underground service lateral trench digging through rocky terrain
- LP gas line trench digging from propane tank to home and outbuildings
- Private water storage tank and gravity-feed supply trench work
Oak Woodland Clearing, CAL FIRE Defensible Space, and Brush Removal in Hol'lah, CA
Hol'lah's foothill terrain is oak woodland. Clearing an oak woodland property for a home site requires more than a dozer pass. Oak roots are deep and fibrous. The root systems need to be extracted from the building pad footprint. Also, CAL FIRE Title 14 requires 100 feet of defensible space around structures in the State Responsibility Area.
Services Include:
- Oak tree clearing and root ball extraction for building pads in Hol'lah
- CAL FIRE defensible space brush clearing to 100-foot radius
- Chaparral and scrub oak clearing on rocky foothill terrain
- Stump grinding and root raking to 24-inch depth in building footprints
- Firewood log separation from brush debris before disposal
Sloped Lot Building Pads and Home Foundation Excavation in Hol'lah, CA
Rocky foothill lots near Hol'lah almost always have some slope. A flat building pad requires cut-and-fill work. We compact all fill in 6-inch layers and test each one with a nuclear gauge. If the fill side is loose and the cut side is native soil, the fill side settles and the slab cracks. We prevent this.
Services Include:
- Custom home building pad construction on foothill lots in Hol'lah
- Cut-and-fill pad grading on sloped terrain
- Retaining wall footing trench excavation for grade change management
- Home foundation trench digging and subgrade compaction
- ADU and cottage foundation preparation on foothill acreage
- Rock excavation and blasting coordination for hard rock subgrade
Seasonal Ponds, Driveway Culverts, and Road Drainage in Hol'lah, CA
Hol'lah's foothill properties get concentrated winter rainfall on steep terrain. Without proper drainage management, water channels down the driveway, erodes the building pad, and saturates the septic leach field. We install culverts at every driveway low point and grade drainage swales around the building pad perimeter.
Services Include:
- Seasonal water catchment pond digging for livestock and fire suppression in Hol'lah
- Driveway culvert installation at drainage crossings
- Road drainage ditch grading and rip-rap armoring
- Perimeter drainage swale grading around building pads
- French drain installation around foundations in clay-heavy areas
- Emergency water storage tank excavation for rural fire protection
Why Hol'lah, CA Buyers Work With Pina Excavating
50 Plus Years of Yuba County Foothill Work
We have been clearing oak woodland, digging septic systems, and building foothill driveways in Yuba County for over five decades. We know how this soil behaves and how to get the county inspector to sign off the first time.
One Crew for the Full Scope
Clearing, driveway, building pad, and septic trench. Most rural buyers have to manage 3 or 4 separate contractors. We handle all of it under one contract. This saves time, money, and the frustration of coordinating separate schedules.
Septic Inspection Pass Rate
We dig every septic trench to the exact layout on the county-approved plan. We use laser grade control on the excavator. County inspectors sign off our leach field trenches without re-dig. We have not had a failed county septic trench inspection in the last decade.
Rocky Terrain Equipment
A full-sized Cat 320 excavator with a rock bucket cuts through Yuba County foothill rock that a light-duty machine cannot move.