Civil Engineering Grounded in Real-World Experience
LandMark Consulting LLC is a civil engineering and land development firm based in Sheridan, Wyoming, founded in 2023 to serve rural communities, landowners, and developers across Wyoming and Montana. Licensed in both states, the team specializes in infrastructure design, water and wastewater systems, regulatory permitting, and subdivision planning for rural and small-community projects. LandMark Consulting brings hands-on field experience in infrastructure installation to every project, enabling practical design communication between client and contractor.
Andy MeffordOwner
Kane LeitheadOwner
Adrien Brubaker-NunezEngineering Intern
Site and infrastructure design from layout through construction, focused on constructability and long-term performance.
Water supply, wastewater treatment, and utility system design from feasibility through construction.
Engineering for rural and small community water systems including groundwater and municipal sources.
Wastewater system engineering from site evaluation through regulatory approval and construction support.
Guidance and coordination through state and local regulatory processes for water, wastewater, and land development.
Engineering support to move subdivisions from concept through approval and infrastructure design.
Project management for civil engineering and land development projects of all scales.
On-site construction observation to ensure projects are built to design standards and regulatory requirements.
Land Development · Water Supply · Wastewater · Infrastructure
Johnson County, Wyoming · Wastewater
Onsite wastewater system design for rural development in Johnson County, Wyoming, assisting landowners, builders, and excavators with professional engineered septic systems meeting local regulations.
Sheridan County, Wyoming · Wastewater
Design and permitting of advanced Enviro-Septic systems for new subdivisions with challenging layout requirements in Sheridan County, Wyoming, including site evaluation and soil identification.
Roundup, Montana · Land Development
Assisted a property owner with dividing land among family members through a family transfer in Roundup, Montana, obtaining DEQ sanitation approvals so each new parcel could support onsite utilities.
Stevensville, Montana · Infrastructure · Client: MQS Buildings
Updated commercial approvals and designed new onsite water and wastewater systems for MQS Buildings in Stevensville, Montana, meeting floodplain setbacks while serving multiple buildings on the expanded property.