🌱 LEED Platinum Certified Contractor

Building a sustainable future, one project at a time.

GreenEcoSite designs and constructs energy-efficient homes, commercial buildings and eco-developments across the East Coast. We're turning green architecture from a promise into a standard.

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Years of Experience
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Our Services

Green building, reimagined

From custom eco-homes to large-scale commercial developments, we deliver construction that respects the planet and your budget.

Residential Construction

Eco-Residential

Custom-built passive homes, net-zero residences and sustainable remodels using reclaimed and low-carbon materials.

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Commercial Development

Commercial Builds

Energy-efficient office buildings, retail spaces and mixed-use developments engineered to LEED Gold or higher standards.

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LEED Certification

LEED Consulting

End-to-end guidance on LEED certification — from design review and material selection to final audit submission.

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Solar Installation

Renewable Energy

Rooftop solar, geothermal heating, energy storage and smart-grid integration designed for modern sustainable buildings.

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Landscape Design

Landscape & Sitework

Native-plant landscaping, rainwater harvesting, permeable paving and low-impact site development solutions.

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Project Management

Project Management

Turnkey construction management with transparent budgeting, sustainable sourcing and weekly client updates.

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Sustainable construction
About GreenEcoSite

Two decades of responsible building

Founded in 2002 in Greenville, Delaware, GreenEcoSite has grown from a boutique custom-home builder into one of the most trusted names in sustainable construction on the East Coast.

We believe every building — from a single-family home to a 30-story tower — can be built without compromising the environment. Our team of architects, engineers and craftsmen work together to prove it every day.

  • EPA Energy Star Partner of the Year (2021, 2023)
  • Certified Passive House Institute US builder
  • 100% FSC-certified lumber on every project
  • Carbon-neutral operations since 2019
Our Story
Our Process

From vision to completion

A proven four-step approach that keeps every project on time, on budget and on mission.

01

Discover

Free site visit, goals workshop and sustainability assessment tailored to your project.

02

Design

Architects model energy performance, material impact and lifecycle cost before one shovel breaks ground.

03

Build

In-house certified crews execute with daily quality checks and eco-material tracking.

04

Certify

LEED audit, handover walkthrough and 10-year structural warranty included on all projects.

Recent Projects

Built with purpose

A glimpse into some of our favorite recent builds across Delaware, Pennsylvania and Maryland.

Maple Ridge Residence
Residential · Passive House

Maple Ridge Residence

Willow Creek Office Park
Commercial · LEED Platinum

Willow Creek Office Park

Brandywine Eco Village
Community · Net-Zero

Brandywine Eco Village

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Testimonials

Clients love working with us

★★★★★

GreenEcoSite transformed our vision of a zero-energy home into reality. Their attention to detail and sustainable approach exceeded every expectation.

Client
Amanda Foster
Homeowner, Wilmington
★★★★★

As a developer focused on sustainability, finding a contractor who truly understands green building was critical. GreenEcoSite delivered flawlessly on a 48,000 sq ft project.

Client
Robert Callahan
Developer, Brandywine Holdings
★★★★★

From LEED consulting through final certification, their team was an absolute pleasure. Professional, transparent, and genuinely committed to the environment.

Client
Dr. Jennifer Morales
Director, Kennett Community Foundation

Ready to build something better?

Let's talk about your project. Our team offers free consultations with no obligation.

Get a Free Quote Call +1 877-378-0240