Atlanta-based civil engineering, design, and consulting firm helping builders and investors turn vision into permitted, construction-ready plans.
From pre-vertical site design and construction plans to full project management, JDM delivers the engineering expertise that builders and investors need to move with confidence.
Full civil site design packages including grading plans, drainage, utilities, and construction drawings ready for permitting.
Complete construction plan sets for builders and investors — from initial layout through final permit-ready drawings.
End-to-end project management from concept through construction, keeping timeline, budget, and compliance on track.
Pre-vertical site design and civil engineering for single-family subdivisions, townhomes, and master-planned residential developments.
Civil design and project management for commercial centers, retail developments, mixed-use sites, and investment properties.
Civil engineering support for publicly-funded projects including pedestrian access, roadway improvements, utilities, and civic infrastructure.
JDM Consultants LLC is a 100% Minority-Owned civil engineering, design, and consulting firm founded by Darrell Johnson, PE in Atlanta, GA. With $750M+ in development led across Georgia, JDM brings precision engineering and full project ownership to every engagement.
Grading, drainage, utilities, and access — the horizontal work that turns a parcel into a buildable site. This is where every project begins.
Darrell Johnson is a licensed Professional Civil Engineer and the founder of JDM Consultants LLC. Over the course of his career he has led civil design, project management, and consulting for more than $750M in development across Georgia — spanning residential communities, commercial and retail centers, and public works infrastructure.
After building his career at leading engineering firms across the Southeast, Darrell founded JDM to build something of his own: a firm that pairs the technical depth of a large practice with the responsiveness and personal accountability of a small business. JDM is proud to be 100% Minority-Owned, and Darrell brings that same sense of ownership to every client engagement.
