Hollywood Hillside Reinvention
Mulholland
Los Angeles, CA
A crumbling Hollywood hillside bungalow reimagined as a gracious, light-filled family home — oriented, finally, to its canyon views.
Blue Sky Studio · Pasadena
Timeless homes, quietly composed for the way you live.
Three decades of custom residential architecture for discerning Southern California homeowners — from the foothills of Pasadena to the coast at Carpinteria.
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A working elevation · drawn by hand at the studio
A quiet kind of luxury
Custom residential architecture, composed with patience, drawn with restraint.
Founded in Pasadena in 1993 by Donald Callahan Bryan, Blue Sky Studio designs homes that feel inevitable — rooted in their sites, attuned to the rituals of their owners, and built to outlast fashion.
Meet Donald0+
Years Practicing
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Custom Homes Designed
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Cities Across SoCal
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Repeat Clients
Practice
One architect. One dedicated studio. Every project.
About the practiceCustom Home Design
Ground-up custom homes drawn in close collaboration with their owners, contractors, and landscape architects.
Renovations & Additions
Sensitive renovations of period and historic homes — preserving character while quietly modernizing systems, plans, and daylight.
Seamless Home Extensions
Additions that appear inevitable: sympathetic in massing, aligned with original detailing, and tuned to how your home will actually be used.
Selected Work
A portfolio drawn across three decades.
Completed 2022
1990s Stucco Box → Contemporary SoCal Home
Padres Drive
Southern California
A tired 1990s tract home re-cast as a warm, contemporary Southern California family home — inside and out — with a patio finally worth living on.
1920s Tudor — Kitchen & Period Renovation
Los Feliz
Los Angeles, CA
A cramped, drab kitchen at the center of a beloved 1920s Tudor, returned to the hospitable, hand-crafted home its owners always saw in it.
Traditional Family Estate — Whole-Home Reimagined
Chapman Woods
Pasadena, CA
A just-purchased Chapman Woods house re-composed, room by room, for a growing family — inside and out, formal and everyday.
Period Living-Room Transformation
Arroyo Terrace
Pasadena, CA
A dark, cramped period living room on Arroyo Terrace re-lit from within — its hipped ceiling exposed, a new bay opened to the garden.
Central Atrium Reinvention
Glen Springs Road
Pasadena, CA
A dull, flat-planed central atrium re-drawn as the gallery at the heart of the home — brought alive with curves, daylight and a new staircase.
Philosophy
“A great project results from a great team: the Architect who listens and guides, a talented contractor who realizes the spirit of the project, and, at the heart, the Owner dedicated to the journey.”
Service Areas
From Pasadena to the Pacific.
Pasadena
San Marino
La Cañada
Claremont
Los Angeles
Carpinteria
Santa Barbara
Begin a new home
Have a site, or a dream? Let’s talk.
Every Blue Sky Studio project begins with a conversation. No obligation — only listening.