Hidden Lake is a fire-resilient Passive House near Arvada, designed for multigenerational living. Built with Collective Carpentry’s panelized system, it offers airtight construction, clean indoor air, and long-term durability, ideal for a family that includes aging parents, one with asthma. With main-floor living for accessibility, future ADU plans, and off-grid readiness, the home reflects the owners’ desire for comfort, health, and smart, forward-thinking design.
2,800
PHIUS
Arvada, CO
2026
NS Electric
Electrical Engineer: D.Keller Engineering
Concrete: Earthen Design
Drywall: Fossil Creek
Excavation: Earthen Design
Roofing: Boulder Roofing
PureHVAC
Collective Carpentry
Single Family Certified Passive House
2,800
R-60
R-48
R-80
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