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Weston & Sampson

Your world is always changing, & so are we.

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About the firm

Weston & Sampson is an interdisciplinary engineering and environmental consulting firm with more than 125 years of practice. Ranked among Engineering News-Record's Top 125 design firms in 2025, Weston & Sampson serves municipalities, utilities, and public-sector clients across the Northeast and is expanding delivery throughout the Southeast. Core capabilities span community planning, landscape architecture and design, water and wastewater engineering, transportation, environmental remediation, construction management, and infrastructure operations and maintenance.

Firm type
Architecture & Engineering · Civil Engineering · Design-Build · Environmental Engineering · Geotechnical Engineering · Landscape Architecture · MEP · Owner's Engineer · Power & Utility Engineering · Structural Engineering · Transportation Engineering · Water / Wastewater Engineering

Credentials

NICET Certified Inspectors · NETTCP Certified Inspectors

Capabilities

Planning

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Developing strategic and sustainable visions for communities.

  • Community & Comprehensive Planning
  • Zoning & Development
  • Resiliency & Climate Assessments & Action Planning
  • Sustainable Financing Strategies
  • Stakeholder & Community Engagement
  • Master Planning
  • Smart Growth & Transit-Oriented Development
  • Regulatory Guidance
  • Brownfields Area-Wide Planning
  • Water Resource Planning
  • Asset Management Planning

Design

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Creating welcoming spaces that inspire connection.

  • Landscape Architecture
  • Parks, Playgrounds & Recreation
  • Institutional Design
  • Urban Design & Streetscapes
  • Architecture & Building Design
  • Transportation Design
  • Brownfields Redevelopment
  • Stormwater Infrastructure Design
  • Site Design
  • Structural Design
  • HVAC
  • Visualization & Photo Simulation

Engineering

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Solving infrastructure challenges through innovative design.

  • Water & Wastewater Engineering
  • Transportation & Traffic Engineering
  • Stormwater & Flood Resiliency
  • Geotechnical & Environmental Engineering
  • Structural & Civil/Site Engineering
  • Renewable Energy & Microgrids
  • Applied Technology (GIS, SCADA, BIM)
  • Dam Safety & Hydraulic Analysis
  • MEP Engineering

Construction Services

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Constructing infrastructure that is built to last.

  • Construction Management
  • Design/Build/Operate
  • Treatment & Pump Station Construction
  • Wells & Controls
  • Pools & Splashpads
  • Construction Engineering & Inspection
  • Vertical & Horizontal Facilities
  • Emergency Repairs & Rehabilitation
  • Owner's Project Management

Operations & Maintenance

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Keeping systems running smoothly.

  • Water & Wastewater Operations
  • Repair & Preventative Maintenance
  • 24/7 Emergency Services
  • Pool Operation & Seasonal Prep
  • Backflow & Cross Connection Control
  • Unidirectional Flushing Programs
  • Operator Training & Certification Support
  • Asset Management Tools

Industries

Government · Utilities · Water Supply · Wastewater · Stormwater & Flood Control · Water Resources · Infrastructure · Parks & Open Space · Sports & Recreation · Land Development · Transportation · Highways & Roads · Transit · Rail · Environmental & Remediation · Renewable Energy · Education · Residential · Oil & Gas

Projects

Weston & Sampson - Engineering Firms