Civil Site Engineering

Successful infrastructure is the foundation of thriving communities, institutions, and businesses. At LJB, our civil engineers support clients through every stage of the development process—from early planning to construction readiness—offering solutions in areas such as:

Land acquisition
Land development
Pre-development services
Pre-construction services
Residential development

LJB Services

Civil / Site Services

Site Planning & Engineering

Preliminary engineering and feasibility assessments
Due diligence
Site development and layout
Grading
Pavement design
Lighting
Machine control (construction automation support)

Utilities & Water Resources

Water, sanitary, and storm infrastructure design
Stormwater management
Utility design and coordination
Water resources engineering
Drainage studies and compliance support

Transportation & Traffic

Roadway and access planning
Traffic analysis and planning

Surveying & GIS

Surveying services
GIS services

Project & Construction Support

Capital improvement planning
Construction support
Agency permitting and compliance navigation

Building Smarter Communities Through Strategic Development

At LJB Engineering, we design the infrastructure that supports people, progress, and possibility. With over five decades of experience and a multidisciplinary team operating from offices across North America, we deliver innovative land development and public utility solutions tailored to the needs of growing communities. From early feasibility studies to final construction support, we partner with clients to bring smart, sustainable, and resilient projects to life.

The Downs – A Model of Integrated Development

The Downs stands as a hallmark of LJB’s capability in managing large-scale, high-profile developments. This 500-acre master-planned community integrates residential, commercial, and recreational spaces through a comprehensive infrastructure planning process.

Key highlights include:

Comprehensive Infrastructure Planning: The scope covered everything from water and storm systems to roadway layouts and grading.
Complex Permitting: Navigating regulatory hurdles in a phased development required precise coordination with local agencies.
Phased Build-Out Strategy: LJB employed a long-view approach to site health and infrastructure alignment, ensuring smooth development stages.

The success of The Downs exemplifies our expertise in balancing development ambition with environmental sustainability, permitting intricacies, and community integration

Location: Scarborough, ME
Size: 500 acres
Project Type: Multi-use community

Why Clients Work with Us

Every project begins with a tailored strategy. Our team evaluates zoning requirements, infrastructure constraints, and community impact before design begins. We blend proactive communication, design flexibility, and problem-solving to ensure smooth execution. Our commitment to upfront planning means fewer surprises, more control, and better outcomes for all stakeholders.

Integrated Services Under One Roof

We bring together engineering, survey, and GIS capabilities—allowing for seamless coordination and quicker decision-making throughout every project phase.

Purpose-Led Approach

Our mission goes beyond blueprints. We prioritize the people and communities impacted by our designs, ensuring that our solutions support long-term growth and livability.

Future-Ready Development

From sustainability and resilience planning to incorporating digital workflows, we design with tomorrow in mind. Our emphasis on upfront planning and risk mitigation minimizes surprises and maximizes value over the project lifecycle.