Keltic Engineering, Inc. is a local civil engineering firm located in Lewiston, Idaho, providing cost-effective solutions to public and private sector clients. We measure our success by building long-term client relationships and by our clients' ability to take pride in their projects. Our team of experts offers a diverse portfolio of services, including site plan development, commercial development, subdivision development, street improvements, construction staking, field layout, structural engineering, wastewater, water, stormwater, floodplain analysis, and certification, among others. We are committed to educating our clients to assist them in planning for the future by making better economic decisions today.