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Business Details
45 Years
experience
Trusted Civil Engineering in Eureka, CA
Omsberg & Preston is a woman-owned consulting firm established in 1981, specializing in surveying, engineering consulting, and land planning services for California's north coast region. Our firm prioritizes quality project planning, permit processing, and civil engineering while maintaining strict adherence to budgetary and scheduling commitments. With decades of combined experience, we have cultivated strong working relationships with local, state, and national regulatory agencies. Our commitment to professionalism is demonstrated through rigorous quality control measures applied to every project, regardless of scale. We approach each assignment with the same dedication as if it were our own, ensuring precise and innovative solutions tailored to client needs.

Our expertise spans feasibility studies, subdivision engineering, topographic surveys, and construction inspection services. We maintain active partnerships with reviewing agencies to streamline project approvals while upholding the highest industry standards. Our team's technical proficiency in geodetic control surveys, GPS mapping, and land development planning has supported successful projects across Humboldt County and surrounding areas. Through consistent delivery of reliable engineering solutions, we have built a reputation for excellence in civil infrastructure and land use planning.
Services
Land Surveying Civil Engineering Land Use Planning Permit Processing Construction Inspection Topographic Surveys Subdivision Engineering GPS Mapping Feasibility Studies Storm Water Management
Details
  • Year established: 1981
Highlights and features
  • We offer 40+ years of engineering experience in Northern California's regulatory environment
  • Our team maintains rigorous quality control standards for every project size
  • We provide tailored solutions balancing technical requirements with budget constraints
  • Our firm has established relationships with local and state regulatory agencies
  • We combine traditional surveying expertise with modern GPS mapping technologies
Associations and certifications
  • Professional Engineer (P.E.)
  • Professional Land Surveyor (P.L.S.)
Services
Land Surveying
Our land surveying services provide precise property boundary determination using advanced GPS technology and traditional field methods. We conduct topographic surveys, ALTA/ACSM standards surveys, and construction staking for residential, commercial, and infrastructure projects. Our team prepares legal descriptions and mapping documentation for easements, lot line adjustments, and development plans.
Civil Engineering
We offer comprehensive civil engineering solutions including site design, storm water management, and utility infrastructure planning. Our expertise covers subdivision engineering, ADA compliance, and construction cost estimation for public works and private development projects across Northern California.
Land Use Planning
Our land use planning services integrate feasibility studies, permit processing, and environmental compliance for residential and commercial developments. We prepare erosion control plans, drainage reports, and development agreements to facilitate regulatory approvals for projects in Humboldt County and surrounding areas.
Construction Inspection
We provide construction phase services including field inspection, quality control, and as-built documentation. Our team ensures compliance with engineering plans and specifications for grading, utilities, and infrastructure improvements throughout project implementation.
GPS Mapping
Our GPS surveying technology enables high-accuracy mapping for land development, floodplain analysis, and topographic modeling. We integrate geospatial data with traditional survey methods to support engineering design and regulatory submissions for Northern California projects.
People
Kimberly D. Preston
Sole Proprietor
Licensed Professional Engineer and Land Surveyor with 20+ years' experience managing civil infrastructure projects. Specializes in Northern California regulatory compliance and land development planning.
Kenneth J. Omsberg
Founder
Established the firm in 1981 as Omsberg & Company. Pioneered engineering solutions for Humboldt County projects before transitioning leadership in 2007. Maintained dual P.E. and P.L.S. licenses throughout career.
Questions
What services does Omsberg & Preston offer?
We provide land surveying, civil engineering, land use planning, permit processing, construction inspection, topographic surveys, subdivision engineering, and storm water management solutions.
How long has Omsberg & Preston been in business?
Our firm has served Northern California since 1981, with continuous operations under woman-owned leadership since 2007.
What geographic areas do you serve?
We primarily serve Humboldt County and surrounding regions along California's north coast, with extensive local regulatory expertise.
What makes your firm different from competitors?
Our unique combination of 40+ years' experience, local agency relationships, and commitment to quality control distinguishes our engineering and surveying services.
How do you ensure project quality?
We implement rigorous quality assurance measures on every project, including technical reviews and adherence to professional engineering standards.
Can you handle both public and private sector projects?
Yes, our team successfully manages projects for municipal agencies, developers, and private landowners across Northern California.