Top Civil Engineering Firms in Los Angeles, CA

Geo Forward, Inc. is a full-service environmental engineering and geoscience consulting firm headquartered in Los Angeles, CA. Situated in downtown LA with additional support offices in Southern California, Geo Forward has gained recognition for its forward-thinking approach to solving environmental and geological challenges. The firm’s experienced team of geologists, engineers, and scientists specializes in projects involving soil, groundwater, and subsurface conditions. Geo Forward stands out in the Los Angeles area for its ability to integrate environmental expertise with geotechnical insight, providing clients with comprehensive solutions under one roof.Geo Forward offers an extensive range of environmental and geotechnical services in Los Angeles and beyond. Core offerings include Phase I and Phase II Environmental Site Assessments (ESAs) to evaluate property contamination risks, subsurface investigations using geophysical surveys, and design/implementation of soil and groundwater remediation programs. The firm also provides geotechnical engineering services such as soil analysis and foundation recommendations, as well as engineering geology consultations for hillside developments and seismic considerations. In addition, Geo Forward handles indoor environmental quality testing like radon gas and methane soil gas surveys, vapor intrusion assessments, and…... Read More

Psomas is a leading consulting engineering firm in Los Angeles, CA, offering multidisciplinary services that balance the natural and built environment. With a history spanning decades in Southern California, Psomas has become synonymous with high-quality civil engineering, land surveying, construction management, and environmental consulting. The Los Angeles office is home to a team of experienced professionals who approach projects with innovation and sustainability in mind. From designing urban infrastructure to guiding public works improvements, Psomas stands out as a confident and knowledgeable partner in the Los Angeles engineering landscape.Psomas provides a comprehensive range of services in Los Angeles to support both public agencies and private developers. Core expertise includes civil engineering design for transportation projects (such as roads, highways, and transit systems), water resources engineering (encompassing water supply, wastewater, and stormwater management), and land development engineering for residential and commercial sites. The firm also offers extensive land surveying and geospatial services using the latest technology for accurate mapping and construction staking. Additionally, Psomas’s environmental consulting team conducts environmental impact studies, permitting, and habitat restoration, ensuring that projects meet regulatory requirements…... Read More

JMC² is a full-service civil and structural engineering firm headquartered in San Pedro, CA. With over 25 years of engineering excellence, JMC² has established itself as a versatile and trusted consultant in Southern California. The firm’s engineers bring a wealth of experience in designing and managing a broad range of projects, from residential and commercial developments to large municipal infrastructure. JMC² prides itself on providing a high standard of care and a collaborative approach, making them a go-to engineering partner for clients looking for reliable solutions and personalized service.JMC² offers an extensive suite of engineering services in San Pedro and the greater Los Angeles area, covering both civil and structural disciplines. Their civil engineering team handles everything from site planning and grading design to utility infrastructure layout and stormwater management for new developments. On the structural side, JMC²’s engineers design and analyze building structures, foundations, and seismic retrofits to ensure safety and compliance with California's strict codes. The firm also provides seismic evaluation and retrofit design for existing buildings, a crucial service in earthquake-prone California. Additionally, JMC² can support projects…... Read More

AlphaVision Design Build Inc. is a design-build firm located in Woodland Hills, CA that offers a seamless blend of architectural design, engineering, and construction services. By combining all aspects of home development under one roof, AlphaVision simplifies the renovation and building process for clients throughout Los Angeles. The company is led by an expert with a background in engineering and construction management, which ensures that creative design ideas are grounded in practical, structurally sound solutions. Known for its confident and knowledgeable team, AlphaVision Design Build has earned the trust of homeowners looking for a one-stop experience for creating their dream home.AlphaVision Design Build provides comprehensive home improvement and construction services in Woodland Hills and the greater Los Angeles area. Core services include custom home design and new home construction, where the team handles everything from initial concept drawings and city permits to the final build. They also specialize in major home remodeling and additions – whether it’s expanding a kitchen, adding a second story, or transforming a backyard with a new outdoor living space. As a licensed general contractor, AlphaVision…... Read More

Nabih Youssef Associates (NYA) is a Los Angeles-based structural engineering firm renowned for its expertise in seismic design and advanced structural systems. Established in 1989 by famed seismic engineer Nabih Youssef, the firm has been at the forefront of earthquake engineering, helping shape some of California’s most iconic structures. NYA’s Los Angeles team is composed of leading structural engineers who approach each project with an innovative mindset, whether it’s a high-rise tower or a historic landmark retrofit. With decades of experience and a portfolio of groundbreaking projects, Nabih Youssef Associates stands out as a go-to expert in structural and earthquake engineering.Nabih Youssef Associates offers specialized structural engineering consulting services in Los Angeles CA. The firm provides structural design for new buildings, ensuring that skyscrapers, commercial complexes, and essential facilities are not only efficient and architecturally bold but also capable of withstanding seismic forces. NYA is particularly known for its performance-based seismic design approach, utilizing nonlinear analysis and simulations to push designs beyond code minimums for optimal safety. The team has pioneered the use of seismic technologies like base isolation and…... Read More

Greystone Engineering Group Inc. is a leading civil and structural engineering firm based in Los Angeles, CA, known for delivering exceptional quality and customer service. With extensive experience in residential and commercial projects, Greystone stands out in the industry for its innovative design solutions and meticulous attention to detail. The firm’s team of licensed engineers approaches each project with a commitment to excellence, making Greystone Engineering a trusted name in the Los Angeles engineering community.This company offers comprehensive engineering services to meet a wide array of project needs. Greystone Engineering Group provides structural engineering Los Angeles homeowners and developers rely on – from structural design and foundation planning to seismic retrofitting and retaining wall engineering. On the civil side, their experts handle grading plans, drainage design, and hydrology analysis, ensuring every development in Los Angeles is built on a solid foundation. Whether it’s a custom hillside home or a multi-story commercial build, Greystone delivers tailored civil and structural engineering solutions that prioritize safety, sustainability, and efficiency.Serving the greater Los Angeles area, Greystone Engineering Group has earned the trust of clients…... Read More

Andersen Integrated Services, Inc. is a well-established consulting and construction firm based in Los Angeles, CA, offering a comprehensive blend of environmental, engineering, and specialty consulting services. Known for its broad expertise, Andersen provides professional guidance in areas ranging from environmental compliance to forensic engineering, making it a unique one-stop resource in the Los Angeles region. The firm has built its reputation on responsiveness and integrity, becoming a trusted partner for businesses and public entities needing expert assistance with complex environmental and safety challenges.Andersen’s core services encompass a full range of environmental consulting and technical solutions. The company conducts thorough environmental assessments and testing in Los Angeles, including asbestos inspections, soil and groundwater analysis, and hazardous waste evaluations, to ensure clients meet local and federal regulations. Andersen also offers health and safety consulting services, deploying certified industrial hygienists and environmental health specialists to address workplace safety, air quality monitoring, and catastrophe response in the event of environmental incidents. In addition, the firm’s engineering team provides forensic engineering investigations and structural assessments, helping to determine causes of building failures or damage.…... Read More

Kobe Structural & Civil Engineering is a Sherman Oaks, CA-based engineering firm specializing in both structural and civil engineering services. With over 23 years of industry experience, the firm has become a reliable resource for residential and commercial projects throughout the Los Angeles area. Kobe Engineering is known for its hands-on approach and technical expertise, providing personalized attention to each project whether it’s a custom home, a multifamily development, or a commercial building. Their commitment to quality and compliance has established Kobe Structural & Civil Engineering as a trusted engineering partner in Southern California.The firm offers a comprehensive suite of engineering services to support projects from initial planning to final construction. On the civil engineering side, Kobe develops detailed grading plans, drainage solutions, and Low Impact Development (LID) strategies to meet the region’s stormwater management requirements. They also prepare hydrology reports and erosion control plans essential for permitting in Los Angeles. As structural engineers, the team designs robust and builder-friendly structural systems for buildings, including foundations, framing, and seismic reinforcement tailored to California’s earthquake standards. Whether a client needs a…... Read More

JN Structural Engineering Inc. is a full-service structural engineering firm located in West Los Angeles, CA, known for its expertise in designing safe and resilient structures. Led by seasoned engineers including Joseph Mina, P.E. and Nabil Mallak, S.E., the firm has become a trusted consultant for architects and builders throughout Southern California. JN Structural Engineering specializes in both new construction and retrofit projects, and its client-centered approach and technical excellence have established the company as a reliable name in the Los Angeles engineering community.The firm’s services encompass a wide range of structural and civil engineering solutions for residential and commercial buildings. JN Structural Engineering prepares comprehensive structural designs and calculations for new buildings, ensuring each project’s framework and foundation are optimized for strength and stability. They are also industry leaders in seismic retrofit work, helping to upgrade existing structures to meet stringent earthquake safety standards. This includes soft-story retrofits for multi-family buildings in Los Angeles as well as reinforcing unreinforced masonry (URM) buildings. Additionally, the firm handles custom projects such as engineering for hillside homes, where complex geology requires careful…... Read More

Structural Engineering & Construction (SEC) is a Los Angeles-based engineering firm that specializes in providing modern, practical structural design solutions for residential and commercial projects. Headquartered in West Hollywood, CA, SEC is led by licensed professionals who emphasize accessibility and affordability in their services. The firm has become well-known in the LA area for its focus on homeowner projects like remodels and accessory dwelling units (ADUs), as well as its quick turnaround on engineering needs. With a customer-oriented approach, SEC has established itself as a reliable structural engineer in Los Angeles for those looking to build safely and cost-effectively.SEC offers a wide array of structural engineering services, ensuring that clients have support from the planning stages through construction. The firm prepares detailed structural plans and calculations for new construction, additions, and tenant improvements, making sure each design is robust and builder-friendly. A hallmark of SEC’s portfolio is its expertise in ADU design and garage conversions in Los Angeles, helping homeowners capitalize on new housing opportunities. The team also provides structural observation reports and inspection services, verifying that construction work meets…... Read More