Civil Engineering

Civil Engineering Services

At Lefrancois Engineering, we provide comprehensive civil engineering solutions tailored for both public and private landowners across Northern Nevada and Northern California. Whether you’re a developer breaking ground on a new subdivision, ski area in need of compliance, or a municipality looking to enhance public infrastructure; we’re here to turn your vision into buildable, code-compliant reality.

Residential & Commercial Site Development

We specialize in site civil engineering for:

  • Single-family residences
  • Multi-family housing (townhomes, apartments, condos)
  • Commercial developments including retail, office parks, and mixed-use spaces
  • Ski area compliance and development

 

From site planning and grading to utility layout and permitting, we help bring projects to life with designs that are efficient, cost-effective, and fully aligned with local agency requirements.

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Subdivision Design & Infrastructure Planning

For residential subdivisions or commercial tracts, we provide full-service subdivision design, including:

  • Roadway alignment and grading
  • Water, sanitary sewer, and storm drain systems
  • Utility coordination (gas, electric, telecom)
  • Lot layout and parcel configuration

 

Our designs are prepared with long-term maintenance and constructability in mind;  ensuring your development is both functional and future ready.

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Public Improvements & Municipal Infrastructure

We support public agencies and private clients with the design of public improvements such as:

  • Roads and intersections
  • Parking lots and access ways
  • Shared-use paths, sidewalks, and multi-modal trails
  • Drainage and stormwater management systems

 

Every public-facing element is designed to meet ADA, municipal, and environmental standards while supporting community growth.

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Stormwater Management & BMP Design

Effective stormwater management is critical, not only for permitting, but for protecting downstream resources and reducing maintenance costs. We design and implement Best Management Practices (BMPs) and Low Impact Development (LID) features including:

  • Bioretention swales and rain gardens
  • Infiltration basins
  • BMP retrofits
  • Oil-water separators and treatment systems
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Erosion Control & Environmental Compliance

Before, during, and after construction, we help clients stay in compliance with:

  • SWPPP (Storm Water Pollution Prevention Plan) preparation
  • Erosion and sediment control plans (ESCP)
  • Construction General Permit (CGP) requirements
  • Inspection and monitoring support

 

Our team ensures your site stays compliant and protects nearby waterways from sediment and pollutants throughout the development process.

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Recent Projects

From backcountry road systems to residential additions and public utility infrastructure, our portfolio reflects the diverse needs of the Tahoe region—and our commitment to solving each challenge with practical, code-compliant, and cost-effective solutions.

Why Choose Us?

Clear communication whether you’re a seasoned developer or building your
first project

Practical, buildable designs that reduce change orders and delays
Local knowledge of agency requirements and permitting processes
Commitment to sustainable, resilient, and community-focused engineering