From Concept to Completion — We Engineer with Excellence.

Civil and Structural Expertise You Can Trust.

CS Engineering delivers trusted solutions with precision and integrity completed on time, within budget, and designed to stand the test of time, backed by over 14 years of proven experience.

⭐ 5.0/5 Star Ratings

✅ Trusted by Builders, Contractors & Homeowners Across Southeast Arizona

Clients We've Worked With...

About Us

At CS Engineering, we focus on honest work, clear communication, and engineering solutions that stand the test of time. Born and raised in Southeast Arizona, our team understands the needs of the community we serve—and we bring that local knowledge into every project.

With more than 14 years of proven experience, our reputation is built on dependable service, fair pricing, and technical expertise that adds lasting value to every home, business, and development. Whether we’re assisting a homeowner, contractor, or local municipality, we approach each project with integrity and a commitment to getting it done right the first time.

Your Project, Our Expertise

From structural foundation design to grading and drainage plans, manufactured home certifications, and full civil site development, we manage every detail with precision and care. Our work doesn’t stop at the drawings—we also guide clients through permits, inspections, and compliance to ensure projects move forward smoothly and without delays.

WHAT WE DO

Trusted Civil & Structural Engineering Services

Delivering successful projects takes more than plans on paper—it requires accuracy, compliance, and dependable expertise. Our services are designed to simplify the process, reduce delays, and provide lasting solutions you can count on.

Civil Engineering

Grading plans, site development, subdivision layouts, roadway and utility design, and earthwork calculations—our civil engineering services help prepare your site for success while ensuring compliance and efficiency.

Structural Engineering

From foundation design and retaining walls to PEMB (pre-engineered metal building) design, strengthening, and inspections, we provide reliable structural solutions that ensure safety and long-term durability.

Drainage Study & Report

We deliver accurate stormwater management plans, erosion and floodplain analysis, and hydrologic studies to protect your property and secure regulatory approvals.

Manufactured Home Engineering Certificates

Fast, dependable foundation inspections and certification documents to help with permits, lenders, and homeowner requirements—streamlined for peace of mind.

OUR ENGINEERING PORTFOLIO

CS Engineering custom project portfolio

Explore our completed projects showcasing precision, compliance, and engineering solutions that stand the test of time. From structural foundations and grading plans to drainage studies and certifications, our work speaks for itself.

Structural Engineering

Foundation & Framing Design

Engineered custom foundation and structural framing plans for residential and commercial metal buildings across Southeast Arizona—ensuring code compliance, safety, and long-term stability.

Civil Engineering

Site Development & Utility Design

Delivered complete site development and utility design for local subdivisions and commercial sites in Benson and Willcox—enhancing functionality while meeting all regulatory requirements.

Drainage Study & Report

Stormwater & Hydrology Analysis

Developed comprehensive drainage studies and stormwater reports for residential and commercial projects, helping clients secure permits and safeguard properties against runoff and flooding.

Engineering Certificate

Manufactured Home Foundation Certification

Provided manufactured home foundation inspections and certification reports for homeowners and lenders—streamlining approvals and ensuring compliance with FHA, VA, and local building standards.

Subdivision Site Design

CIVIL ENGINEERING

Completed full civil design for a 12 lot subdivision in Benson, AZ covering grading, drainage, and utility layout to ensure smooth city approval and efficient site flow.

Retaining Wall Design

STRUCTURAL ENGINEERING

Designed structural retaining walls for a hillside property in Sierra Vista, ensuring soil stability, drainage control, and long-term structural integrity.

WHY CHOOSE US

Why we are the best choice

Our dedication to providing exceptional civil engineering and certification services sets us apart. Here’s why contractors, lenders, and homeowners trust us…

Expert Engineering

Backed by 14+ years of experience in civil and structural design.

Transparent Pricing

Fair, honest estimates with no surprise charges or hidden fees.

Reliable Timelines

We stick to the schedule and deliver on time, every time.

Quality Assurance

Premium materials, detailed inspections, and top-tier results.

Dedicated Support

One dedicated project manager from start to final walkthrough.

Local Knowledge

Born and raised in Southeast Arizona—local expertise you can trust.

Trusted by Homeowners, Contractors & Local Agencies

14+

Years of Experience

500+

Projects Completed

100%

On-Time Project Delivery

5.0★

Client Satisfaction Rating

TESTIMONIALS

See what customers say about us

CS Engineering is a full-service civil and structural engineering firm with a difference—and it shows. But what we’re most proud of is the trust and satisfaction our clients share about working with us.

FOUNDATION DESIGNS • GRADING & DRAINAGE • MANUFACTURED HOME CERTIFICATES • METAL BUILDING DESIGN • STORMWATER MANAGEMENT • CIVIL SITE DEVELOPMENT • PERMIT ASSISTANCE • INSPECTIONS & CERTIFICATIONS • STRUCTURAL ENGINEERING • ENVIRONMENTAL COMPLIANCE • 
FOUNDATION DESIGNS • GRADING & DRAINAGE • MANUFACTURED HOME CERTIFICATES • METAL BUILDING DESIGN • STORMWATER MANAGEMENT • CIVIL SITE DEVELOPMENT • PERMIT ASSISTANCE • INSPECTIONS & CERTIFICATIONS • STRUCTURAL ENGINEERING • ENVIRONMENTAL COMPLIANCE • 
FOUNDATION DESIGNS • GRADING & DRAINAGE • MANUFACTURED HOME CERTIFICATES • METAL BUILDING DESIGN • STORMWATER MANAGEMENT • CIVIL SITE DEVELOPMENT • PERMIT ASSISTANCE • INSPECTIONS & CERTIFICATIONS • STRUCTURAL ENGINEERING • ENVIRONMENTAL COMPLIANCE • 
FOUNDATION DESIGNS • GRADING & DRAINAGE • MANUFACTURED HOME CERTIFICATES • METAL BUILDING DESIGN • STORMWATER MANAGEMENT • CIVIL SITE DEVELOPMENT • PERMIT ASSISTANCE • INSPECTIONS & CERTIFICATIONS • STRUCTURAL ENGINEERING • ENVIRONMENTAL COMPLIANCE •