Architect-led custom homes, built with clarity and care.

We build design-driven homes through close coordination with architects, consultants and clients—from pre-construction through completion.

View Built Projects See How We Work Discuss a Project

Fells House — Covered timber walkway with glass guard and garden views

Fells House Explore the project →

Selected work

Different houses.
The same care.

House With Big Shingles — House among coastal trees and granite above the inlet

Deep Cove House — Street-facing timber elevation beyond the landscaped entry path

Gladstone — Angular shingled roof forms behind a mature street tree

Bayridge — Street elevation above a sloping rock garden

For architects & designers

Bring construction into
the conversation early.

A house in design development or permitting is a good place to begin. Share the project as it stands, and we can discuss construction questions, budget assumptions and the details that need coordination.

01 · ReviewShare the drawings, design stage and priorities.

02 · AlignTest constructability, budget assumptions and schedule.

03 · BuildCoordinate the details, trades and site through completion.

See how we work →

What clients remember.

“We had a fantastic experience working with Open Horizon Development on our home renovation.”

Allan Guan · Google review excerpt ↗

Architect-led custom homes, built with clarity and care.

Different houses.The same care.

Fells House

House With Big Shingles

Deep Cove House

Gladstone

Bayridge

Bring construction intothe conversation early.

What clients remember.

Different houses.
The same care.

Bring construction into
the conversation early.