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Business Details
46 Years
experience
Your Trusted Civil Engineering Partner in Lodi, CA
Dillon & Murphy Consulting Civil Engineers has been delivering comprehensive engineering solutions to California's Central Valley since 1980. Founded by Cecil Dillon and Joe Murphy, our firm combines decades of technical expertise with hands-on project management to serve residential, commercial, and municipal clients. Our core competencies in civil engineering, construction management, and surveying are supported by specialized services including GIS mapping, stormwater management, and ADA compliance. With primary offices in Lodi and satellite operations in Stockton, we maintain deep regional knowledge while adhering to the highest industry standards. Our team of licensed engineers, certified surveyors, and construction specialists provides end-to-end project support from initial planning through final implementation.

We distinguish ourselves through meticulous attention to regulatory requirements, including DIR labor compliance and environmental monitoring protocols. Our commitment to technical excellence is demonstrated through successful completion of complex infrastructure projects, municipal improvements, and land development initiatives. By maintaining continuous client communication and employing cutting-edge surveying technologies, we ensure project accuracy and cost efficiency. Our long-standing reputation for reliability and quality service delivery has made us a trusted partner for both public and private sector clients across California's Central Valley.
Services
Civil Engineering Construction Management Surveying Municipal Engineering GIS Mapping Storm Drainage Design ADA Compliance Environmental Compliance Construction Inspection Land Development
Details
  • Year established: 1980
Highlights and features
  • We have over 40 years of engineering experience in California's Central Valley
  • Our full-service approach covers all project phases from planning to completion
  • We maintain specialized expertise in municipal infrastructure development
  • Our team includes certified surveyors and licensed civil engineers
  • We offer hands-on construction management with regulatory compliance expertise
Services
Civil Engineering
Our civil engineering services encompass residential and commercial development, grading plans, storm drainage systems, and road design. We specialize in ADA compliance and stormwater management solutions that meet regulatory requirements. Our engineers deliver comprehensive project planning and technical documentation for land development initiatives across California's Central Valley.
Construction Management
We provide end-to-end construction management with document control, constructability reviews, and regulatory compliance oversight. Our team includes resident engineers and inspectors who ensure quality assurance throughout all project phases. Services include bid evaluation, change order management, and coordination with regulatory agencies during construction.
Surveying
Our surveying division offers ALTA/NSPS, boundary, topographic, and hydrographic surveys using advanced geodetic technologies. We provide construction surveying, GIS mapping, and flood elevation certifications. Our services support land development projects through accurate mapping and spatial data analysis for both public and private sector clients.
Municipal Engineering
We deliver comprehensive municipal engineering services including infrastructure design, water treatment facilities, and street improvements. Our expertise covers capital improvement projects, utility master planning, and compliance with urban water management regulations. We support city governments with construction inspection and contract administration services for public works projects.
GIS Mapping
Our GIS mapping capabilities integrate spatial data analysis with engineering projects. We create detailed geographic information systems for land development, environmental compliance, and municipal planning. This technology supports accurate project visualization, resource management, and regulatory reporting for complex infrastructure developments across California's Central Valley.
People
Cecil Dillon
Co-Founder
Co-founder with over 40 years of engineering experience in California's Central Valley. Specializes in municipal infrastructure projects and land development planning.
Joe Murphy
Co-Founder
Co-founder and lead engineer with extensive expertise in civil engineering and construction management. Focuses on regulatory compliance and technical project oversight.
Questions
What engineering services does Dillon & Murphy offer?
We provide civil engineering, construction management, surveying, municipal engineering, GIS mapping, stormwater management, ADA compliance, and environmental compliance services.
How long has Dillon & Murphy been in business?
We've been serving California's Central Valley since our founding in 1980 by Cecil Dillon and Joe Murphy.
What geographic areas do you serve?
Our primary service area includes California's Central Valley, with offices in Lodi and Stockton.
What makes your construction management different?
Our hands-on approach includes document control, constructability reviews, and DIR labor compliance oversight from pre-construction through project completion.
How do you handle municipal engineering projects?
We offer comprehensive municipal services including infrastructure design, pump station development, street improvements, and Urban Water Management Plans.