Building trust through reliable civil engineering solutions.

About Us

Reliable Civil Engineering Services

Welcome to Son-Engineering, a civil engineering company dedicated to providing high-quality engineering services to our clients. With over 23 years of experience in the industry, we have the skills and expertise to handle a wide range of civil engineering projects, from the planning and design phase all the way through to construction and maintenance.

At Son-Engineering, we believe that every project is unique and deserves individual attention and care. That's why we work closely with our clients to understand their needs and develop customized solutions that meet their specific requirements. Whether you are a homeowner looking to renovate your property, a developer planning a new construction project, or a government agency seeking to improve infrastructure, we have the expertise and resources to help you achieve your goals.

Our team of highly skilled engineers, drafters, and construction professionals are committed to providing exceptional service and delivering projects on time and within budget. We pride ourselves on our attention to detail, our ability to find creative solutions to complex problems, and our unwavering commitment to quality and safety.

At Son-Engineering, we are passionate about what we do, and we believe that our work has the power to make a positive impact on people's lives and communities. Contact us today to learn more about our services and how we can help you with your next engineering project.

Our Services

Engineering Permits

Our engineering permit service offers comprehensive support for obtaining necessary permits, including application preparation, progress tracking and compliance consulting.


We offer subdivision civil engineering services including feasibility studies, planning and design, permitting and entitlements, construction management, and project closeout to ensure efficient and compliant development of land subdivisions.

Grading permits

Our grading permit services provide comprehensive support for obtaining necessary permits for earthwork and grading projects, including permit application preparation, site evaluation, grading plans, erosion control plans, and storm water polution prevention plan.

Hydrology Studies

Our hydrology study services offer comprehensive flood management analysis and water quality for the development.

Stormwater Quality Management Planning

Our stormwater quality management planning service provides a comprehensive solution to help clients comply with regulations and protect water quality by identifying sources of pollution, implementing control measures, and developing monitoring plans.

Public Improvement Plans

Our public improvement plans services offer comprehensive support for clients seeking to improve public infrastructure, including project scoping, design and engineering, permitting, construction management, and project closeout.

Planning Services

Our planning services offer comprehensive support for clients seeking to develop or improve properties, including feasibility studies, land use planning, entitlements and permitting, environmental assessments, and community outreach.

And More!

We offer many more civil engineering services to support a variety of projects, so please don't hesitate to contact us to learn more about how we can assist you.

Contact Us

2029 Balentine Drive
Alpine, CA 91901

Monday: 7am - 5pm
Tuesday: 7am - 5pm
Wednesday: 7am - 5pm
Thursday: 7am - 5pm
Friday: 7am - 5pm
Saturday: Closed
Sunday: Closed