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Cordogan Clark Makes Great Environments

We listen carefully to each client, discovering those nuances on which great design work hinges. Learning these nuances allows us to inspire our clients with a realm of possibilities that our vast experience has taught us. We then transform thinking, spaces and organizations which take on new dimension and focus. Our focus is aimed at optimizing performance and experience through informed design. As a result, our designs provide environments for all ages that are tailored to achieving superior results for all.


Our Story

We’ve completed over 5,000 projects resulting in successful learning environments for education, working, performing arts, sports and recreation, healthcare, and living spaces. Schools have been the epicenter of our 120-year history, but our future is about providing solutions across all markets based on our integrated expertise and design thinking. We have created an innovative service model that provides clients with a network of over 140 professionals. To accomplish this, Ittner aligned our resources with Cordogan Clark, making available an extensive network of professionals across all service categories including architecture, mechanical-electrical-plumbing engineering, structural engineering, architectural based construction management advisor services, master planning, security, interiors, graphic design, campaign assistance and a host of other important expertise.




Years of Experience

Skilled Professionals


Our Expertise


New Construction

Building Additions

Rehabilitation and Renovation

Sustainable / LEED Design


Master Planning

Site Planning

Strategic Planning

Campus Planning

Capital Planning

Phased Development Planning

Planning for Sustainability


Interior Design

Space Planning

Color and Material Selection

Furnishing Inventory

Furniture & Equipment Specification

Sustainable / LEED Design

Furniture Procurement Services

Furniture Installation Management


Electrical Engineering

Mechanical Engineering

Plumbing Engineering

Structural Engineering

Sustainable / LEED Engineering Design

Energy Modeling

Renewable Energy Analysis

Photovoltaic Design

Construction Advisory Services

Design / Bid Construction

Design / Build Construction Delivery

Integrated Project Delivery

Preconstruction Services


Guaranteed Maximum Price Delivery

Construction Administration

Furniture, Fixtures & Equipment

Coordination and Procurement

Construction Logistics Analysis

Constructability Analyses

Value Engineering


Code Analyses

Zoning Analyses

Cost Estimating

Facilities Evaluations &

Needs Assessment

Facilities Planning


Referendum Assistance

Public Engagement

Project Scope Definition

Site Selection Assistance

Life-Safety Remediation

Life-Safety Surveys

ADA/Accessibility Surveys

Life-Cycle Cost Analyses

MEP System Capacity/Condition Assessments

Roofing Design and Evaluation

Waterproofing Design and Evaluation

Exterior Wall Design and Evaluation

Exterior Pavement Design & Evaluation

BIM Modeling

LEED Design

Value Engineering

Owner-Representation Services

Construction Monitoring

Our Legacy

Wm. B. Ittner revolutionized school planning across the nation beginning in 1899. Through the decades, Ittner has pioneered innovations in planning and building design that led to the creation of today’s schools with design features that continue to be widely imitated. Early Ittner innovations included the inclusion of natural light, integrated ventilation, standardized plans and the Community School concept. That pioneering spirit continues as we seek continuous improvement and innovations to optimize performance and experience in our designs.

Integrated Ventilation that improved the health of learning environments. Chases were designed behind lockers in both corridors and locker rooms, pulling air through the school and out through chimneys. Today, building codes have progressed to ensure the proper amount of fresh air is introduced into schools.


Natural Light was maximized using large windows, skylights, and lightwells that were combined with monumental stairs introducing light into the center of the building. Today, the use of natural light has progressed into designing spaces using daylight harvesting.


Standardized Plans were developed that efficiently connected all the specialized spaces of the school into the desired culture for learning.  These included the H-Plan, I-Plan, and the L-Plan.

The Community School Concept was developed using site planning concepts that made resources available to residents of the surrounding area. The school’s plan was zoned to allow for specialized areas to be available for after-hours use. 

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