Business Details
28 Years
experience
Expert Structural & Civil Engineering Services
Hohbach Lewin has delivered structural and civil engineering solutions since 1998, serving architects, developers, and public agencies across the United States. Our firm combines technical expertise with a commitment to timely execution, focusing on seismic evaluations, construction documentation, and innovative design for new and renovated buildings. With offices in California and Oregon, we support diverse projects including educational facilities, healthcare centers, residential complexes, and commercial developments.Our team of licensed engineers and surveyors prioritizes collaboration, leveraging decades of collective experience to address complex challenges. We maintain a reputation for reliability, adhering to rigorous engineering standards while adapting to evolving industry practices. Our work reflects a dedication to quality, client satisfaction, and sustainable outcomes that meet both functional and regulatory requirements.
Services
Structural Engineering
Seismic Evaluation
Civil Engineering
Surveying Services
Building Renovation
Details
- Year established: 1998
Highlights and features
- We offer over 25 years of experience in structural and civil engineering design.
- Our team includes licensed professionals with expertise in seismic retrofitting.
- We prioritize collaboration across offices and project teams for comprehensive solutions.
- We maintain a strong focus on professional development and work-life balance.
- Our services span 15+ U.S. states, including California, Oregon, and Texas.
Associations and certifications
- California Small Business Enterprise (SBE)
Services
Structural Engineering
Structural engineering services for new construction and renovations, including wood, steel, and concrete framing systems. Specializes in multi-story residential, educational, and commercial buildings. Provides construction documents, BIM modeling, and shoring design to ensure code compliance and structural integrity across diverse project types.
Seismic Evaluation
Comprehensive seismic assessments using ASCE 41 and FEMA standards to evaluate building performance during earthquakes. Develops retrofit strategies for non-ductile concrete, soft-story, and unreinforced masonry structures. Focuses on risk mitigation for clients in high-seismic regions like California and Oregon.
Civil Engineering
Civil engineering for land development projects, including grading, drainage, utility design, and roadway improvements. Supports residential, commercial, and institutional clients with stormwater management, erosion control, and subdivision mapping to meet local regulatory requirements.
Surveying Services
Full-spectrum surveying including boundary, topographic, and ALTA/NSPS surveys. Utilizes laser scanning and mapping technologies for accurate site analysis, subdivision planning, and as-built documentation to support engineering and construction workflows.
Building Renovation
Engineering solutions for retrofitting existing buildings, including seismic reinforcement, code compliance upgrades, and adaptive reuse projects. Combines historical preservation with modern safety standards for educational, healthcare, and municipal facilities nationwide.
People
Douglas C. Hohbach
Principal
Co-founder with over 25 years of structural engineering experience, specializing in seismic design and building code compliance for commercial and institutional projects.
Dan Lewin
Principal
Co-founder focusing on structural systems innovation and project delivery optimization for multi-unit residential and healthcare facilities across the western United States.
Joaquim A. Roberts
Principal
Licensed structural engineer with expertise in complex building analysis and retrofit solutions for seismic vulnerabilities in California's existing building stock.
Anthony W. Lee
Principal
Senior engineer managing large-scale civil infrastructure projects, including site development plans and stormwater management systems for mixed-use developments.
Bill Henn
Director of Civil Engineering
Civil engineering leader with 20+ years of experience in municipal infrastructure design and regulatory compliance for public and private sector clients.
Questions
What types of projects does Hohbach-Lewin specialize in?
We focus on structural and civil engineering for educational facilities, multi-family housing, healthcare buildings, commercial developments, and seismic retrofit projects across the United States.
Do you provide services outside California?
Yes, we operate in 15+ states including Oregon, Washington, Texas, Arizona, and Hawaii, with experience in regional building codes and seismic requirements.
What seismic evaluation standards do you follow?
We use ASCE 41-17, FEMA P-58, and ASTM E2026 methodologies to assess seismic performance and develop retrofit strategies tailored to client needs.
Can you handle large-scale infrastructure projects?
Our team has extensive experience with complex developments including multi-story residential buildings, university facilities, and mixed-use commercial centers.
How do you ensure project quality and compliance?
We implement rigorous quality control processes and maintain licenses in multiple states to ensure adherence to local building codes and engineering standards.
