Business Details
27 Years
experience
Your Trusted Partner for Engineering Solutions
Founded in 1999, Handasa has established itself as a trusted leader in civil and structural engineering, serving Southern California with unwavering commitment to honesty and integrity. Our team combines decades of collective experience with technical expertise to deliver tailored solutions for residential, commercial, and industrial projects. We specialize in structural analysis, land planning, grading, drainage, and code-compliant design, ensuring every project meets rigorous safety and sustainability standards. Collaborating closely with architects, contractors, and developers, we prioritize client needs while maintaining strict adherence to regulatory requirements.Our reputation, built largely through referrals from satisfied clients, reflects our dedication to precision, innovation, and long-term partnerships. From small-scale renovations to large developments, we provide end-to-end engineering services that transform visions into reality. Our CASQA-certified professionals excel in water quality management, stormwater systems, and ADA-compliant parking modifications, addressing both technical and environmental challenges. By integrating advanced engineering principles with practical problem-solving, we ensure projects are completed efficiently, cost-effectively, and to the highest standards of quality.
Services
ADU Design
Civil Engineering
Structural Engineering
Land Planning
Retaining Walls
Details
- Year established: 1999
Highlights and features
- We offer over 20 years of experience in civil and structural engineering.
- Our team upholds honesty and integrity in every project.
- We specialize in structural analysis and design for diverse projects.
- Our success is driven by referrals from satisfied clients.
- We provide tailored engineering solutions for residential and commercial clients.
Associations and certifications
- CASQA
What people say
Outstanding expertise
Honest and reliable
Delivered on time
Competent and fair pricing
Excellent professional
Services
ADU Design
We specialize in designing Accessory Dwelling Units (ADUs) that maximize property potential while meeting zoning and building code requirements. Our services include structural analysis, drainage solutions, and site grading for independent living spaces. Clients benefit from increased property value, rental income opportunities, and multi-generational living solutions tailored to Southern California's housing needs.
Structural Engineering
Our structural engineering services cover residential and commercial projects, including foundation design, seismic analysis, and code-compliant blueprints. We ensure structural integrity for wood, steel, and concrete buildings while prioritizing safety and durability. Clients receive tailored solutions for new constructions, tenant improvements, and complex structural challenges across Southern California.
Civil Engineering
We provide comprehensive civil engineering for land planning, subdivision, and infrastructure projects. Services include grading plans, stormwater drainage systems, and street improvement designs that meet regulatory standards. Clients benefit from optimized site functionality, environmental compliance, and efficient project execution for residential and commercial developments.
Retaining Walls
Our retaining wall designs address slope stabilization and erosion prevention for residential and commercial properties. We create code-compliant solutions that integrate with geotechnical reports and site conditions. Clients receive durable, aesthetically pleasing structures that enhance property usability while meeting building code requirements for safety and longevity.
Water Quality Management
We develop Water Quality Management Plans (WQMP) and Stormwater Pollution Prevention Plans (SWPPP) for construction projects. Our CASQA-certified team ensures compliance with environmental regulations while protecting water resources. Clients benefit from sustainable solutions that meet NPDES, state, and local requirements for responsible development.
Questions
What civil engineering services do you offer?
We provide land planning, grading, drainage systems, street improvements, and water quality management plans for residential and commercial developments.
Do you handle structural engineering for residential projects?
Yes, we design foundations, framing systems, and seismic-resistant structures for single-family homes, ADUs, and multi-family residential developments.
Are your plans code-compliant?
All our designs meet current building codes, ADA requirements, and local jurisdiction standards for structural safety and accessibility.
How do you support architects and contractors?
We provide detailed engineering documentation, collaborate on design integration, and offer plan check support through construction phases.
Can you help with ADU construction?
Yes, we offer complete engineering services for ADUs including structural analysis, drainage solutions, and zoning compliance documentation.
Do you serve areas outside Orange County?
We primarily serve Southern California but can assist with projects in adjacent regions through remote collaboration and local jurisdiction coordination.
