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Your Trusted Civil Engineering Partner in Phoenix
3 engineering is a result-driven, full-service civil engineering, planning, and surveying company based in Phoenix, Arizona. We specialize in guiding projects from conceptual design through final construction, prioritizing client satisfaction and delivering high-quality results. Our team includes licensed civil engineers and surveyors operating across Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah, and Montana, enabling us to handle projects of any scale in the Southwest region. With expertise in planning, civil engineering, and surveying, we provide tailored solutions for commercial, residential, educational, and municipal developments.

Our services encompass due diligence studies, zoning research, site planning, grading and drainage, stormwater management, and construction administration. We are committed to completing projects on time while maintaining unmatched quality standards. Beyond our technical capabilities, we actively support community initiatives through partnerships with organizations like Best Friends Animal Society and Junior Achievement of Arizona. Our approach combines technical excellence with a dedication to building long-term client relationships that enhance business outcomes.
Services
Civil Engineering Site Planning Surveying Services Zoning Research Drainage Solutions Construction Administration Land Development Boundary Surveys Hydrologic Analysis
Highlights and features
  • We offer licensed engineering services across eight Southwest states.
  • Our team delivers projects on time with unmatched quality standards.
  • We provide comprehensive solutions from conceptual design to final construction.
  • We maintain deep expertise in commercial, residential, and municipal developments.
  • Our firm actively supports community initiatives through local partnerships.
Services
Civil Engineering
We provide comprehensive civil engineering solutions for commercial, residential, and municipal projects. Our services include site development, infrastructure design, and construction oversight. With licensed engineers across eight states, we ensure compliance with local regulations while delivering cost-effective, sustainable solutions tailored to client needs.
Site Planning
Our site planning services cover feasibility studies, zoning research, and land use analysis. We create conceptual designs and entitlement strategies for retail, commercial, and residential developments. This includes public outreach and navigating regulatory approvals to ensure project viability and compliance.
Surveying Services
We offer ALTA/ACSM surveys, boundary assessments, and topographic mapping. Our surveying team provides precise data for land development, construction staking, and legal documentation. Services include preliminary plats, elevation certificates, and lot reconfiguration to support accurate project execution.
Drainage Solutions
Our drainage expertise includes stormwater management, retention/detention design, and hydraulic analysis. We develop systems to mitigate flooding risks while meeting environmental regulations. Services cover both public and private infrastructure projects, ensuring sustainable water management practices.
Construction Administration
We provide construction administration services to ensure project adherence to design specifications. This includes site visits, quality control checks, and coordination with contractors. Our team ensures timely completion while maintaining compliance with engineering standards and client requirements.
People
Dan Mann
President
Dan Mann leads 3 engineering in guiding projects from conceptual design to construction completion. With extensive experience in civil engineering and project management, he ensures client satisfaction through technical excellence and strategic oversight across the Southwest region.
Questions
What areas do you serve?
We operate across Arizona, California, Colorado, Nevada, New Mexico, Texas, Utah, and Montana, focusing on Southwest region projects.
What services do you offer?
Our services include civil engineering, site planning, surveying, drainage solutions, and construction administration for commercial and residential projects.
Are your engineers licensed?
Yes, we have licensed civil engineers and surveyors in eight Southwest states to ensure regulatory compliance and technical expertise.
How do you handle project timelines?
We prioritize timely completion through structured planning, experienced teams, and proactive issue resolution during all project phases.
What project types do you handle?
We work on commercial developments, schools, residential communities, industrial parks, and municipal infrastructure projects of varying complexity.