RPA’s Site Civil Group is dedicated to providing comprehensive engineering services that bring project visions to life from the initial planning stage through construction. Our team delivers precise, practical, and coordinated site design solutions for individuals, businesses, architects, institutions, and government agencies across Montana and the Western United States.

From initial surveys and zoning reviews to utility design, stormwater management, and construction support, RPA manages every detail with accuracy and foresight. Our engineers specialize in developing resilient, cost-effective infrastructure that balances performance, sustainability, and regulatory compliance. Whether planning a new campus, improving community infrastructure, or designing complex site systems, RPA’s Site Civil Group ensures every project moves forward efficiently, reliably, and with the client’s goals at the center.