Civil Engineering, Land Surveying & Permitting Solutions Across DC, Northern VA & Maryland
Creative Solutions by Professional Designers. St. George Engineers is a leading multi-disciplined engineering firm delivering structurally sound, regulatory-compliant site design, land surveying, stormwater management, and expedited permitting.
Creative Solutions by Professional Designers
Welcome to St. George Engineers LLC, an innovative multi-disciplined engineering firm committed to delivering high-precision solutions in civil engineering, land surveying, land planning, and regulatory permitting.
Headquartered in Ashburn, Virginia, we proudly serve residential homeowners, commercial developers, architects, and public-sector clients across the District of Columbia, Northern Virginia (Loudoun, Fairfax, Prince William, Arlington, Alexandria), and Maryland (Montgomery, Prince George’s, Frederick, and Howard Counties).
Learn More About Our Engineering Firm →Multi-Disciplined Team
Integrated civil engineers, land planners, GIS specialists, and field surveyors under one roof.
Code & Permit Mastery
Deep familiarity with VDOT, Loudoun, Fairfax, DC DOB/DOEE, and Maryland county review agencies.
Cost-Effective Design
Value-engineered site grading, drainage, and stormwater layouts that reduce construction costs.
On-Time Delivery
Clear milestone schedules and proactive agency communication to keep your project moving.
Comprehensive Civil Engineering & Surveying Services
From initial boundary surveys and zoning feasibility to final site plan approval and construction quality control, we manage every technical phase of land development.
Civil Engineering
Comprehensive site civil engineering, grading plans, utility design, roadway profiles, and infrastructure engineering compliant with local and state standards.
Land Planning
Strategic land development visioning, zoning analysis, site feasibility studies, subdivision layouts, and community impact assessments.
Permitting Services
Streamlined building, grading, right-of-way, and site development permit management and municipal liaison across VA, DC, and MD.
Land Surveying
High-accuracy boundary surveys, ALTA/NSPS land title surveys, topographic mapping, house location plats, and construction staking.
Stormwater Management
SWM BMP facility design, hydrologic/hydraulic modeling, erosion & sediment control (ESC) plans, and Chesapeake Bay Act compliance.
Environmental Services
Environmental site assessments, wetland & stream buffer delineations, natural resource mitigation, and regulatory compliance consulting.
GIS & Mapping Services
Advanced Geographic Information Systems spatial analysis, parcel database mapping, LiDAR terrain modeling, and utility asset mapping.
QC Inspection
Thorough third-party construction quality control inspections, structural & site verification, and deficiency resolution before closeout.
Local Engineering Expertise Across the DMV Region
Every municipality has unique zoning ordinances, stormwater manuals, and permitting portals. Our engineers work daily with local review boards across all three jurisdictions.
Northern Virginia
Based in Ashburn, we provide rapid field response and plan submissions across Loudoun, Fairfax, Prince William, Arlington, Alexandria, and Stafford.
District of Columbia
Full-service urban infill site engineering, DOB building permit support, DOEE stormwater compliance, and DDOT public space permitting in Washington, DC.
Maryland
Comprehensive subdivision planning, MDE environmental compliance, WSSC utility coordination, and sediment control plans throughout suburban Maryland.
