6 environment friendly properties for the eco-conscious

Yorkville, California

Sedimentary walls add even more interest to this home made from rammed earth, an insulating, eco-friendly material. Adapted to the terrain and its rocky outcrops, the three-bedroom smart home features concrete floors. Glass walls framing native grasses, flowers and oak trees; a chef’s kitchen; and an entrance with a reflecting pool and suspended steps.

The 161.5-acre property includes a solar-heated saltwater pool; tiered landscaping; Cabin, yurt and barn with guest suite; and roads, paths, wells, springs and an independent, sustainable energy system. $4,100,000. Kevin McDonald, Sotheby’s International Realty – Wine Country – Sonoma Brokerage, (707) 391-3382.

Westport, Connecticut

This modern six bedroom home features geothermal heating and cooling, triple glazed windows, water heater and solar power. The home features a vaulted skylight living area consisting of family room and sunroom with adjoining chef’s kitchen; a two-story library with a fireplace; a wine room; a hidden cigar lounge; and a sauna, gym, and yoga studio.

The 3 acres of wooded grounds feature expansive lawns and a stone patio with a saltwater pool, spa and outdoor fireplace. $4,795,000. Cindy Raney, Coldwell Banker Realty, (203) 257-8320.

Cambridge, Mass

Built to LEED Platinum specifications in 2019, this two-story, four-bedroom townhouse on Observatory Hill exceeds energy efficiency regulations with electric heat pumps controlling the temperature on separately zoned floors.

The home features bespoke wood and stone work, herringbone floors, a quality kitchen with waterfall dining island and a living room with French glass doors leading to a private garden patio. The building is crowned by a 23-foot rooftop terrace. $3,400,000. Gail Roberts, Coldwell Banker Realty-Cambridge, (617) 844-2712.

Boulder, Colo

Built to LEED Platinum/Net Zero standards, this modern four bedroom farmhouse features solar panels, gray water recycling and geothermal heating and cooling. The home features a main room with wood-panelled barrel ceilings, a double-sided fireplace, and Oculus windows; a chef’s kitchen with energy efficient appliances; a loft office; and a spacious wraparound porch.

The .91 acre lot includes a new well, pond, fruit trees, raised beds, back patio with fireplace, two car garage, garden shed and pump house. $4,245,000. Brian Delaney, Delaney Realty Group, (303) 601-4022.

San Francisco, California

The condos at 181 Fremont Street are in a LEED Platinum certified building with a water recycling program that saves 1.3 million gallons per year. This ODADA-designed two-bedroom unit features French oak floors, Lutron sunblinds, museum-style wall installations, Energy Star-level appliances, a marble-clad master bath, and window walls that frame the San Francisco Bay and Bay Bridge from 500 feet high.

Building amenities include a residents club, arts program, exercise facility and a skybridge to Salesforce Park. $4,955,000. Carmen Legarda, Compass, (415) 917-2327.

Princess Anne, Maryland

This 1991 four bedroom home near the historic district features full solar panels, updated insulation and a reverse osmosis water filter. The home features an eat-in kitchen with energy efficient appliances and a living room with a fireplace and glass doors to a screened-in waterfront porch.

The 2 acre property on a creek that connects to the Manokin River and Chesapeake Bay features front and back lawns, mature trees, garden beds, a gazebo and a fire pit. $549,999. Brandon Brittingham, Long & Foster Salisbury/Luxury Portfolio International, (443) 978-3330.

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