Shades of Green

Look for these site features and certifications on our project listings to identify sites with exceptional performance in these green building categories.

Advanced Building Envelope

Exceptional thermal protection and air sealing


Design Innovation

Emphasizes functionality, quality & character by design


Electric Vehicle

Electric vehicle charging or electric vehicle ready


Green Roof

Eco or vegetative roof installations


Indoor Air Quality (IAQ)

Construction & material selection support IAQ


Materials Conservation

Efficient material use & selection to conserve. Waste reduction & recycling (WRR)


Net Zero Energy

Innovative energy systems and high 

performance standards

Small Building Footprint

Minimizing a building footprint saves energy and maintenance

Solar Power

Active Photovoltaic (PV) or solar hot water


Stormwater Management

Emphasizes water infiltration and LID techniques 


Urban Farming

Composting, permaculture, backyard livestock, fruit trees, vegetable gardens 


Water Conservation

Emphasis on water saving features.

Zero Waste Policy

Designing and managing products and processes to systematically avoid and eliminate the volume and toxicity of waste and materials

20/20 Home Refit Challenge

One of 20,000 Puget Sound homes undergoing an energy retrofit to reduce energy use by 20% in the Puget Sound Region by 20/20.

Built Green

Built Green© is a holistic green home certification program of the Master Builders Association of King and Snohomish Counties.

Emerald Star

Emerald Star is the highest level of Built Green© certification.

Energy Star

Energy Star is a voluntary program launched by the U.S. Environmental Protection Agency (EPA) that helps businesses and individuals save money and protect the environment through superior energy efficiency.

Living Building Challenge

Living Building Challenge comprises seven performance areas: site, water, energy, health and happiness, materials, equity and beauty. Each performance area has its own intention and are subdivided into a total of twenty Imperatives, each of which focuses on a specific sphere of influence.


Leadership in Energy and Environmental Design (LEED) is one of the most popular green building certification programs used worldwide. Developed by the U.S. Green Building Council (USGBC), it includes a set of rating systems for the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods.

Passive House

PHIUS+ is the largest Passive Building Certification in North America. It is a well-recognized proven construction standard and quality assurance system.

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