What We Do
Two core disciplines. One reliable subcontractor. Omnia Engineering delivers underground utilities and concrete & paving for commercial projects throughout California — on schedule, to spec, and without surprises.
We Work On:
From water and sewer mains to storm drain systems and dry utilities, we handle the full scope of underground infrastructure for commercial developments across California. Our crews are experienced in coordinating with utility purveyors, inspectors, and other trades to keep your project moving.
Water Mains & Service Laterals
New installation, replacement, and tie-ins for potable water systems on commercial and public works projects.
Sewer Mains & Laterals
Gravity sewer, force mains, and lateral connections including manholes, cleanouts, and testing.
Storm Drain Systems
Reinforced concrete pipe, HDPE, catch basins, inlets, junction structures, and outlet protection.
Dry Utilities
Conduit installation for gas, electric, telecom, and fiber — coordination with utility purveyors included.
Trench & Backfill
Engineered trench excavation, shoring, bedding, backfill, and compaction to project specifications.
Manhole & Vault Installation
Precast concrete manholes, vaults, and structures for all utility types.
Structural concrete, flatwork, and asphalt paving for commercial sites, parking structures, roadways, and industrial facilities. We deliver on schedule and to spec — with the documentation and testing to back it up.
Structural Concrete
Foundations, retaining walls, grade beams, and structural slabs for commercial and industrial facilities.
Flatwork & Slabs-on-Grade
Warehouse floors, equipment pads, exterior flatwork, and interior slabs with proper subgrade prep.
Asphalt Paving & Overlay
Full-depth asphalt, mill and overlay, patching, and resurfacing for roads, lots, and driveways.
Curb, Gutter & Sidewalk
Type A, B, and rolled curb and gutter, ADA-compliant sidewalks, ramps, and detectable warning surfaces.
Parking Lots & Driveways
Complete parking lot construction including grading, base, paving, striping coordination, and drainage.
ADA Compliance Work
Accessible path of travel upgrades, ramp reconstruction, and compliance retrofits for existing facilities.
Our Process
Submit your plans and project details. We review scope and respond with a competitive bid within 24–48 hours.
We walk the plans with your team, clarify scope, and confirm schedule alignment before mobilization.
Our crews mobilize on schedule, coordinate with other trades, and execute to spec with daily communication.
We complete punch list items, provide as-builts and testing documentation, and close out cleanly.
Send us your plans and we'll respond with a competitive bid. We work with GCs, developers, and public agencies throughout California.