C.G. Williams Engineering LLC

Services Overview

C.G. Williams Engineering LLC offers a full suite of civil engineering and surveying services tailored to residential and commercial projects. Our services focus on sustainable water and sewer planning, residential demolition planning, and civil design aspects — including earthworks, pavement and drainage systems, site leveling, ground clearing, AutoCad 3D drafting, BIM modeling, surveying, feasibility studies, quality control, safety compliance, scheduling, and risk assessment. With our office in Wheaton, MD, we serve the greater Washington, DC area with pragmatic, code-compliant designs that accelerate permitting and reduce construction risk.

Services Snapshot

C.G. Williams Engineering LLC provides a comprehensive range of services for residential and commercial clients. We leverage diverse, professional expertise to ensure project success.

permitting services

  • DCRA Permit Services
  • DOB Permit Services
  • TOP Permit Services
  • Sustainable water and sewer plans
  • Residential demolition plans
  • Civil design for site development
  • Earthworks and grading plans
  • Pavement and drainage system design
  • Ground clearing, leveling, and dirt removal planning
  • AutoCad 3D drafting and BIM (Building Information Modeling)


  • Surveying and site characterization
  • Feasibility studies and site planning
  • Project Management and Scheduling
  • Construction Stake-out
  • Permit processing

01

Storm water Management

02

Sediment Control Plans

Three parallel horizontal wavy lines stacked vertically, representing water or a liquid.

03

Storm Drain & Paving Plans

Three parallel horizontal wavy lines stacked vertically, representing water or a liquid.

04

Demolition Plans

Three parallel horizontal wavy lines stacked vertically, representing water or a liquid.

05

Water and Sewer Plans

Three parallel horizontal wavy lines stacked vertically, representing water or a liquid.

06

Detailed Site & Grading Plans

A black icon of a hand holding a glowing lightbulb, representing an idea or solution.

Sustainability & LID

We prioritize sustainable strategies that reduce impervious cover, encourage infiltration where appropriate, and protect water quality.

  • Permeable Pavements
  • Bioretention Areas
  • Green Roof Coordination
  • Infiltration Practices
  • Bioswales
  • Stormwater BMPs
Four stylized people icons arranged in a circle connected by a thin line, representing a team or network.

Technical Tools & Software

Our engineering practice leverages current industry tools to coordinate procurement and construction phases accurately.

  • AutoCad 3D Platforms for plan production
  • BIM for coordination and 3D visualization
  • Hydrologic/hydraulic modeling software
  • Earthwork and volumetric analysis tools
A black shield icon with a dotted horizontal line across the middle and a small, circular checkmark badge in the bottom.

QUALITY ASSURANCE

Every plan set undergoes internal QA/QC checks, including cross-discipline reviews for geometry, constructability, and regulatory compliance. During construction we perform site inspections and document deviations, issuing corrective guidance as needed.