Business Details
48 Years
experience
Trusted Civil Engineering & Surveying Services in San Jose
Founded in 1978, Underwood & Rosenblum has established itself as a leading civil engineering and land surveying firm in Northern California. Our team of seasoned professionals brings decades of combined experience to every project, leveraging cutting-edge technology to deliver innovative, cost-effective solutions. With a strong commitment to community service, we have contributed to over 60 school districts and numerous public initiatives, including pro bono work for environmental organizations.Our culture combines old-fashioned integrity with modern efficiency, ensuring clients receive accurate, timely service from senior engineers directly involved in every phase of their projects. This dedication to excellence has earned us recognition as a trusted partner for developers, architects, municipalities, and private clients across California.
Services
Land Surveying
Civil Engineering
Site Development
Grading & Drainage
Storm Water Control
ADA Accessibility
School Facility Design
Boundary Surveys
Paving Maintenance
Expert Witness
Details
- Year established: 1978
Highlights and features
- We offer 40+ years of experience in Northern California civil engineering projects
- Our in-house surveying department ensures seamless project integration
- Direct access to senior engineers including expert witness Frank Rosenblum
- Pioneers in adopting CADD technology for faster, more accurate deliverables
- Recognized for community service including pro bono work for public agencies
What people say
Professional and friendly staff
Hyper-responsive to questions
Talented engineering team
Terrific partner on projects
Sense of urgency
Services
Land Surveying
Our licensed surveyors deliver precise boundary, topographic, and ALTA surveys using advanced GPS and robotic technology. Services include lot subdivisions, utility mapping, and construction staking for residential, commercial, and municipal clients. With expertise in California-specific requirements, we ensure accurate data collection that streamlines permitting and development processes.
Civil Engineering
We provide full-cycle civil engineering solutions from initial planning to construction documentation. Our capabilities include grading plans, drainage systems, parking lot design, and ADA-compliant accessibility features. Specialized school facility designs incorporate safe circulation patterns and efficient utility connections while meeting strict regulatory standards for educational environments.
Storm Water Management
Our stormwater control plans comply with California's strict environmental regulations while optimizing site functionality. Services include Low Impact Development (LID) strategies, erosion control measures, and pollution prevention planning. We integrate green infrastructure solutions to manage runoff effectively while maintaining project cost-efficiency and schedule adherence.
Expert Witness Services
President Frank Rosenblum provides authoritative expert witness testimony in civil engineering legal cases. Our services include boundary dispute analysis, personal injury case evaluation, and technical documentation review. With deep regulatory knowledge and courtroom experience, we deliver clear, defensible expert opinions for complex litigation matters.
School Facility Design
Specialized civil engineering for K-12 campuses includes modular classroom layouts, multi-use fields, and safe student drop-off areas. We coordinate ADA-compliant pathways, utility connections, and drainage systems while minimizing construction disruption to active school environments. Our designs prioritize safety, accessibility, and long-term maintenance efficiency for educational institutions.
People
Frank Rosenblum
Principal Engineer / President
With over 40 years in the field, Frank Rosenblum leads engineering operations and serves as expert witness in complex cases. He pioneered CADD adoption in regional civil engineering and maintains active roles in community development boards.
Matt Kamkar
Principal Engineer
Matt Kamkar oversees project execution with 25+ years of experience in municipal projects. He serves on local development boards and specializes in integrating technical precision with practical construction solutions for public and private clients.
Mark Sorenson
Senior Associate Engineer
Mark Sorenson manages complex engineering projects with emphasis on school districts and public agencies. His expertise in regulatory compliance and field coordination ensures smooth project delivery across diverse market sectors.
Teodoro Martinez
Associate Land Surveyor
Theo Martinez provides expert land surveying services with specialized knowledge of California property regulations. His responsive approach to client needs and technical proficiency make him a trusted resource for residential and commercial surveying projects.
Questions
What civil engineering services do you offer?
We provide site development planning, grading plans, stormwater management, ADA accessibility design, school facility engineering, and expert witness services for public and private clients across California.
Do you specialize in land surveying for specific project types?
Our surveyors handle boundary, topographic, and ALTA surveys for residential properties, commercial developments, and municipal projects including school campuses and public infrastructure.
Which areas do you serve?
While based in San Jose, we serve all Northern California regions including Silicon Valley, San Francisco Bay Area, and inland counties for engineering and surveying projects.
How does your expert witness service work?
President Frank Rosenblum provides technical analysis and courtroom testimony in boundary disputes, personal injury cases, and regulatory compliance matters using his 40+ years of engineering expertise.
Can you handle school district projects?
Yes, we've worked with over 60 school districts on facility upgrades, modular classroom installations, and site improvements while maintaining strict safety and accessibility standards.
What technology do you use?
We employ CADD, GPS surveying, robotic total stations, and Civil 3D software to ensure precision and efficiency in all engineering and land surveying deliverables.
