CIVIL ENGINEERING
DESIGN | ANALYSIS
CEG is the trusted engineering partner for site development, stormwater, grading, and erosion control. Fast permits & expert designs for commercial and public works.
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The Full-Service Edge
Columbia Engineering Group provides full-service Civil, Structural, Mechanical, Electrical, Plumbing, and Fire Protection engineering. Our interdisciplinary approach ensures your civil designs are seamlessly integrated across all disciplines—ideal for commercial developments, public infrastructure, and industrial sites.
We collaborate closely with stakeholders to align on objectives, budget, and compliance, offering actionable insights and design solutions that reduce risks and accelerate approvals.
CEG is the trusted engineering partner for site development, stormwater, grading, and erosion control. Fast permits & expert designs for commercial and public works.
Fast permits & expert designs for commercial and public works.
Choosing the right civil engineering partner is critical to project success. Here’s why developers, contractors, and municipalities trust Columbia Engineering Group:
Licensed and experienced team
Proven track record in both private and public sectors
BIM-ready & sustainable design focus
Efficient permit & approval process
Certified Veteran Owned & Operated Small Business Enterprise
Meet or exceed Key Industry Standards:
Why Choose CEG?
✔️ Over 5 Years Serving WA & OR
✔️ Experts in Commercial & Institutional Projects
✔️ Advanced Stormwater & Erosion Control Design
✔️ Fast Permit Turnaround & Local Code Knowledge
…Who is your project waiting on?
Serving WA, OR, ID, WY, FL, CA.
Ensure your projects are structurally sound, code-compliant, and optimized for long-term performance. Our civil engineering team provides site development, stormwater management, grading, erosion control, and utility design across WA, OR, ID, WY, FL, and CA. Let’s bring your vision to life—fast, safe, and on budget.
Testimonials from CEG’s Satisfied Clients
FEATURED CIVIL PROJECTS
Call Now: (509) 720-7048
Emergency Engineering Support
Rapid Response When It Matters Most
As a multidisciplinary engineering firm, Columbia Engineering Group is prepared to address urgent infrastructure challenges. Whether it's structural failures, system malfunctions, or unforeseen site issues, our team is ready to provide rapid assessments and solutions to minimize downtime and ensure safety.
Commitment to Quality
Engineered Precision, Built-In Accountability
At CEG, quality is not a checkpoint, it’s a continuous standard embedded in every phase of our work. We apply rigorous internal QA/QC protocols, peer reviews, and code compliance checks to deliver designs that perform as intended. Our team is committed to precision, professional integrity, and client accountability—ensuring that each solution we deliver is durable, efficient, and ready for approval.
Multidisciplinary Expertise
Integrated Services for Complex Needs
Our team brings together experts across all major engineering fields, allowing us to manage complex projects seamlessly under one roof. This collaborative approach improves efficiency, reduces miscommunication, and ensures technical excellence from concept to completion.
The PNW’s #1 Engineering Firm
Company Overview
Columbia Engineering Group (CEG) is a veteran-owned, small business enterprise (SBE) providing full-service engineering across civil, structural, mechanical, electrical, plumbing, and fire protection systems. Our team of licensed professionals combines deep technical expertise with real-world construction insight, delivering integrated, code-compliant, and cost-efficient designs that move projects from concept to completion—faster.
We partner with architects, developers, contractors, and public agencies to create buildable, permit-ready solutions that reduce delays, cut costs, and maximize return on investment. Whether it's new construction, renovation, or infrastructure upgrades, CEG delivers responsive service, reliable coordination, and designs that work—on paper and in the field. We serve our trusted partnerships through clear communication, and exceptional service from start to finish.
Our Mission
At Columbia Engineering Group, our mission is to deliver fast, coordinated, and cost-effective engineering solutions that empower architects, developers, and contractors to build with confidence. We integrate technical expertise, code compliance, and real-world constructability to streamline every phase of the design and construction process—driving value, accelerating timelines, and building better communities.
Explore our services to discover how CEG can support your next project!
Our Values | CEG LEADS
Collaboration – Work as a unified team to achieve success.
Excellence – Strive for the highest standards in every endeavor.
Growth – Commit to continuous learning and improvement.
Leadership – Inspire others with vision and responsibility.
Ethics – Uphold integrity and honesty in all decisions.
Attitude – Maintain positivity and a solution-oriented mindset.
Dedication – Go the extra mile to exceed expectations.
Sustainability – Build for long-term success with responsibility
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Comprehensive Civil Engineering Services for Commercial & Public Projects
Transform undeveloped land into vibrant spaces with our exceptional civil engineering services. We offer comprehensive design solutions, including conceptual site layout, site selection and planning, and utility coordination. Our expertise spans utilities, stormwater and sewer systems, earthwork, and erosion control. Ensure efficient development with our site grading, subdivision design, and construction phasing services.
| Civil Engineering Services | Description |
|---|---|
Site Development |
Full-service site layout and grading plans, optimized for drainage, access, and use. |
Stormwater Management |
Sustainable design for stormwater detention, infiltration, and water quality treatment. |
Erosion & Sediment Control |
Effective BMPs and erosion control plans for construction and post-construction phases. |
Utility Infrastructure |
Design of water, sewer, and storm utilities including lift stations and force mains. |
Roadway & Parking Lot Design |
Pavement, curbs, striping, and ADA-compliant access plans. |
Land Subdivision & Platting |
Feasibility studies, plat preparation, and municipal approvals. |
Grading & Drainage |
Cut-fill analysis, surface drainage solutions, and floodplain management. |
Retaining Wall & Slope Stability |
Structural earth retention systems and slope stabilization. |
Construction Administration |
On-site inspections, RFI responses, and quality control support. |
EXTENDED SERVICE LISTS
ANALYSIS |
Description |
|---|---|
Site Feasibility Studies |
Evaluations to determine if a site meets the technical, regulatory, and financial requirements for development. |
Environmental Impact Assessments (EIA) |
Comprehensive studies to identify, predict, and mitigate environmental effects of proposed projects. |
Geotechnical Analysis |
Subsurface investigations to assess soil properties, bearing capacity, and foundation suitability. |
Hydrological and Hydraulic Studies |
Analysis of water flow and drainage to inform stormwater, flood control, and infrastructure design. |
Traffic Impact |
Studies that assess how new developments affect surrounding traffic patterns and infrastructure. |
Soil and Material Testing |
Laboratory testing to evaluate the suitability of soils and materials for construction and compliance. |
Pavement Condition |
Assessment of existing pavement performance and deterioration for maintenance or replacement planning. |
Stormwater Management |
Design and evaluation of systems to control runoff, reduce pollution, and meet local stormwater codes. |
Erosion and Sediment Control |
Plans to prevent soil loss and sediment transport during and after construction activities. |
Floodplain Analysis |
Identification and modeling of flood-prone areas to ensure regulatory compliance and public safety. |
Flood Risk Assessments |
Quantification of flood risks to buildings, infrastructure, and natural systems under current and future scenarios. |
Seismic Risk |
Evaluation of potential earthquake impacts on structures, slopes, and site safety. |
Air Quality Impact Studies |
Analysis of emissions and pollutant dispersion to ensure compliance with environmental standards. |
Noise and Vibration |
Measurement and modeling of construction or operational impacts to sensitive receptors and surrounding areas. |
Groundwater Contamination Studies |
Investigation and risk assessment of groundwater pollutants from industrial or construction sources. |
Utility Infrastructure Assessments |
Evaluation of existing utility systems (water, sewer, electrical) for capacity, condition, and upgrade needs. |
Land Use and Zoning |
Review of site compatibility with local zoning regulations and planning policies. |
Structural Integrity Assessments |
Inspections and analyses to determine structural soundness and service life of buildings or infrastructure. |
Water Quality |
Sampling and analysis of surface or groundwater to assess pollution levels and treatment needs. |
Load and Stress |
Engineering calculations to ensure structural systems can support expected loads safely and efficiently. |
Climate Resilience |
Assessment of a project's ability to withstand climate-related risks like extreme heat, drought, or sea level rise. |
Lifecycle Cost Analysis |
Evaluation of long-term costs and benefits of project alternatives, including operation and maintenance. |
Renewable Energy Feasibility Studies |
Site evaluations for solar, wind, or other renewable systems to assess technical and financial viability. |
Infrastructure Capacity Studies |
Determination of whether roads, utilities, and public systems can support planned development. |
Soil Stability |
Analysis of slope and soil cohesion to mitigate landslides, settlement, or other geotechnical failures. |
Road Safety Audits |
Independent reviews to identify and mitigate potential safety issues on roadways and intersections. |
DESIGN |
Description |
|---|---|
Conceptual Site Layout |
Preliminary design plans that illustrate building placement, access, utilities, and site features. |
Site Selection & Planning |
Strategic analysis of potential sites for zoning, access, utilities, and environmental fit. |
Domestic & Fire Water Utilities |
Design of pressurized water systems for potable use and fire protection, including hydrant placement. |
Stormwater Utilities |
Infrastructure for collecting, conveying, and treating stormwater to meet regulatory standards. |
Sewer Utilities |
Gravity and force main sewer system design to ensure safe and efficient waste conveyance. |
Wastewater & Treated Water Systems |
Design of treatment systems and effluent conveyance for residential, commercial, or industrial uses. |
Earthwork |
Design and planning of excavation, grading, and fill operations to achieve required site elevations. |
Site Hardscapes |
Design of pavement, walkways, plazas, and other non-landscaped surfaces for usability and aesthetics. |
Sustainability |
Incorporation of low-impact, green infrastructure, and environmentally responsible design principles. |
Transportation |
Design of site access, circulation, and multimodal integration for vehicles, bikes, and pedestrians. |
Geotechnical |
Incorporation of soil and foundation recommendations into design for long-term structural stability. |
Roadway Design |
Geometric layout, grading, and detailing of public and private roadways, compliant with standards. |
Utility Coordination |
Integration of utility services into site design, including conflict resolution and agency coordination. |
Erosion Control |
Design of BMPs (Best Management Practices) to prevent sediment runoff during construction. |
Retaining Wall Design |
Structural and geotechnical design of walls to retain earth, accommodate slopes, or manage grade changes. |
Land Development |
Full site engineering for subdivisions, commercial projects, and mixed-use developments. |
Drainage Design |
Design of systems to manage surface water, prevent flooding, and protect downstream properties. |
Pavement Design |
Engineering of asphalt and concrete pavement systems based on traffic load and soil conditions. |
Floodplain Analysis |
Site design considerations and mitigation strategies for FEMA flood zones and flood-prone areas. |
Infrastructure Design |
Design of public infrastructure systems, including roads, stormwater, water, and sanitary networks. |
Environmental Remediation |
Design of site interventions to clean up or isolate contamination and restore environmental function. |
Hydraulics and Hydrology |
Design of water conveyance and storage systems using flow modeling, detention sizing, and routing. |
Wetland Mitigation |
Design of on-site or off-site wetland restoration or creation to offset project impacts. |
Site Grading |
Detailed shaping of site topography for proper drainage, access, and constructability. |
Subdivision Design |
Lot layout, road alignment, and utility planning to meet local codes and optimize land use. |
Landscaping Design |
Design of plantings, irrigation, and landscape features for visual appeal and environmental benefits. |
Water Resource Management |
Design strategies for managing water supply, conservation, reuse, and quality protection. |
Structural Assessments |
Evaluation of existing structures for reuse, retrofit, or integration into new site design. |
Public Infrastructure Improvements |
Design and upgrade of public assets like sidewalks, utilities, and streets to support development. |
Industrial Site Design |
Specialized site design to support manufacturing, logistics, and high-load industrial operations. |
Construction Phasing and Logistics |
Planning for sequencing, access, staging, and minimization of construction disruptions. |
ENGINEERING SERVICES
Call Now: (509) 720-7048
Strategic Infrastructure Improvements
Enhancing the Longevity and Value of Your Built Environment
At Columbia Engineering Group, we recognize that your facilities are more than operational assets—they represent your mission, investment, and community presence. That’s why we specialize in comprehensive engineering evaluations and infrastructure upgrades that strengthen operations, safeguard critical systems, and extend life of your built environment.
Our multidisciplinary team of experts in structural, civil, mechanical, electrical, plumbing, and fire protection engineering approaches each project with precision and purpose. Whether you're modernizing aging infrastructure, resolving code deficiencies, or preparing for future growth, our services cover every phase—from assessment and design to implementation support.
We deliver data-driven solutions tailored to your project’s technical, regulatory, and operational demands. With Columbia Engineering Group, you're not just getting a service provider—you’re gaining a strategic partner focused on quality, reliability, and value.
From enhancing system resilience to improving building performance and safety, our infrastructure improvements help institutions, municipalities, and private-sector clients maintain continuity and achieve long-term success.
OUR PROJECT APPROACH
At CEG, we understand the challenges facilities managers face in balancing competing priorities with limited resources. Our mission is to align every project with your organization’s vision to maximize its impact. By understanding your needs and collaborating with stakeholders, we define project goals that fit both your facility’s short- and long-term plans.
Focusing on nine key areas—including operational continuity, risk management, cost control, and scheduling—we deliver value-driven solutions to ensure maximum ROI.
As your trusted partner, CEG is dedicated to excellence, keeping your vision at the forefront of every decision.
Call Now: (509) 720-7048
FAQ
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Our typical scope includes site layout, grading and drainage plans, stormwater design, erosion control, utility coordination, roadway design, and full construction administration.
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Timelines vary by municipality, but CEG’s efficient design and permitting process typically secures approvals in 4–8 weeks for most commercial and public projects.
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Absolutely. We specialize in sustainable stormwater solutions, including detention/infiltration systems and water quality treatment, fully compliant with local and federal regulations.
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We’ll need your site address, preliminary scope, and any relevant plans or reports to get started. Use the form contact us for a free consultation to guide you through your next steps!
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We provide both. Whether you need a standalone grading plan or a full civil + structural + MEP design package, we can scale to your needs.
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Absolutely. We handle preliminary plats, final plats, boundary line adjustments, and coordinate with surveyors and municipalities.
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Yes, we incorporate LID principles, rain gardens, permeable surfaces, and can support LEED documentation if required.
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Yes, we regularly work with project architects, surveyors, and GCs to ensure alignment from concept through construction.
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Yes, every project includes a dedicated engineer or PM to ensure consistent communication and timely updates.
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Yes, we provide complimentary initial assessments and written proposals for qualified projects.
OUR SERVICE AREAS
| Licensed In | Major Cities Served |
|---|---|
Washington |
Seattle, Spokane, Tacoma, Vancouver, Bellevue, Everett, Olympia, Bellingham |
Oregon |
Portland, Eugene, Salem, Bend, Gresham, Hillsboro, Medford |
Idaho |
Boise, Meridian, Nampa, Idaho Falls, Pocatello, Twin Falls, Coeur d'Alene |
Wyoming |
Cheyenne, Casper, Laramie, Gillette, Rock Springs, Sheridan |
Texas |
Houston, Dallas, Austin, San Antonio, Fort Worth, El Paso, Plano |
Florida |
Miami, Orlando, Tampa, Jacksonville, Fort Lauderdale, Tallahassee, St. Petersburg |
| Coming Soon | Major Cities |
|---|---|
Montana |
Billings, Missoula, Bozeman, Helena, Great Falls, Kalispell |
Colorado |
Denver, Colorado Springs, Aurora, Fort Collins, Boulder, Pueblo |
Let’s get your proposal together.
CEG is your one-stop shop with all engineering disciplines under one roof.
While building a something great from the ground up is hard, assembling your engineering team doesn’t have to be. We take pride in listening to our clients and providing solutions that exceed expectations.
Give us a call. Your project will love us.