Who We Are

  • Licensed Land Surveyors
  • Professional Engineers
  • City Planning Experts
  • Project Managers
  • Iowa DOT Certified Inspectors
  • Real Estate Brokers

When you select Clapsaddle-Garber Associates (CGA), you have a team of talented, experienced land surveyors and engineers at your fingertips. CGA has served communities in Iowa for over 60 years.

We opened our doors in 1959 in Conrad, Iowa, and moved our headquarters to Marshalltown, Iowa in 1971. Today, we have offices in Ackley, Ames, Cedar Falls, Des Moines, and Marshalltown.

Fully staffed for all your projects.

CGA is wholly owned by the six Principals of the firm, assuring the utmost in concern for the successful outcome of CGA projects and the relationships we nurture with our clients.

What We Do

Our areas of expertise include aviation facilities; construction administration for public and private clients; residential, commercial, and industrial subdivisions; public, commercial, and private site designs; land surveying and construction staking; right of way acquisition; storm water studies and management plans; construction testing and observation for public and private clients; studies, planning, and design of traffic, transportation, and recreation facilities; planning and design of water distribution systems; and planning and design of wastewater collection systems.


CGA works hard so our clients don’t have to.

Our company is growing, but our values will stay the same.

We are an employee-owned company that values its employees and actively strives to have a supportive and collaborative culture. Our staff, from planners to engineers to land surveyors, work together to solve problems and ensure that you are receiving top-notch service. We love what we do, and we’re ready to take your project from concept to completion.
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