Northern California’s Heavy Civil Contractor Since 1999.
2,500+ projects delivered on time, on budget, and to the highest safety standards across Northern California.
Our Mission
“We are committed to building a strong foundation for every project through quality excavation, grading and demolition services delivered on time, on budget, and with an uncompromising focus on safety. We value our customers, invest in our people, and take pride in strengthening the communities we serve.”
What We Do
Eighteen specialized services. One trusted contractor.
Why Walberg
What 26 years and 2,500+ projects have built.
Owner-operated since 1999
Bud Walberg started with one backhoe. Today: 38–40 employees, 100+ pieces of equipment, all under one roof.
Federal-grade compliance
Active USDA contract holder. DOSH-certified. CSLB #898860. Fully bonded and insured.
In-house equipment fleet
No subcontracting equipment. Excavators, dozers, graders, water trucks, articulated dumps, mobile crushers, fuel trucks — all owned, all maintained by our mobile mechanic crew.
Disaster response experience
On-site for Camp Fire, Carr Fire, Dixie Fire, North Complex Fire, Park Fire, and more. Trusted by homeowners and insurance companies across Northern California.
Our Fleet
100+ pieces of heavy equipment. All maintained in-house.
Cat 336 Excavator
Excavators
Cat D8 Dozer
Dozers
Cat 140 Motor Grader
Graders
Cat 730 Articulated Dump
Hauling
4,000 Gal Water Truck
Water Trucks
Mobile Crusher
Processing
Cat 950 Wheel Loader
Loaders
Lowboy Trailer
Transport
What Clients Say
Trusted by property owners, general contractors, and municipalities.
“Walberg did the excavation for the foundation, septic tank and leach field on a new modular home installation for us. They were very professional, polite and went out of their way to help out and leave everything better than they found it. All the crew members were great and I recommend them very highly.”
— Sue S.
“Our company uses Walberg as our easy button. Any time day or night they have been there for us. Some of the best around. Great operators.”
— Casey Bingham
“Some of the best people I have ever had the privilege to work for.”
— Dino A Mancini