ZZA exists to build that chest — pairing globally certified supply chains with Northern California's finest craftsmanship, so every ADU, window and door we deliver holds a life worth keeping.
From a single premium window to a complete ADU delivered with permits — every path starts with the same designers and the same certified supply chain.
Design, permits, materials, and construction — one contract, one timeline, one accountable team. 450 to 1,200 sq ft.
NFRC-certified thermal-break aluminum and German uPVC systems. U-value 0.24–0.30. Spec'd for Title 24 without compromise.
Kitchen, bath, full-house renovations and second-story add-ons. Same designers, same supply chain, same single-pass inspection record.
Every window, every module, every drawing clears California's toughest codes — before it leaves the factory.
Independent energy performance certification for windows and doors. Every unit labeled and traceable.
CA Department of Housing & Community Development approval for prefabricated modules.
Full compliance with California's Building Energy Efficiency Standards.
No handoffs between designer, supplier and builder. ZZA is all three.
A short consultation helps us understand your lot and project goals.
A dedicated architect delivers plans, structural set, and full CA permit package.
NFRC / HCD-approved materials delivered direct — cutting 40% off typical lead times.
California-licensed crews. Single-pass inspection record. Keys in your hand.
From single-family residences to new neighborhoods and interior environments — each project rendered, permitted and built by the same team.
Tell us your property ZIP Code, service needs and initial ideas. Include budget, property conditions and finish preferences if helpful.
Start with a phone conversation or arrange a meeting at the property. Please confirm availability with Annie.
