Sunland-Tujunga Exterior Design | VHFHSZ Fire-Hard 2026
Exterior design in Sunland-Tujunga is a fire-engineering exercise dressed as architecture. The Station Fire of 2009 burned to the edge of the community, the entire foothill belt is mapped Very High Fire Hazard Severity Zone, and the WUI provisions in Chapter 7A of the California Building Code drive most exterior material decisions. We design exteriors that meet the code, hold their finish, and still read as homes rather than bunkers.
Exterior Design Questions Homeowners Ask About Exterior Design in Sunland-Tujunga
What is Chapter 7A and how does it affect my exterior?
Chapter 7A of the California Building Code sets the WUI material and assembly standards for homes in VHFHSZ areas — siding, roofing, vents, windows, decks, and Zone 0 hardscape. It drives most exterior material decisions in Sunland-Tujunga.
Is Sunland-Tujunga in the VHFHSZ?
Most of it. We confirm against the current LAFD map during the feasibility walk.
What does exterior design cost in Sunland-Tujunga in 2026?
Fire-hardening refresh $40K-$75K. Mid-scope package $75K-$110K+. Full envelope renovation typically tops out near $110K on a 2,400 sf ranch. Premiums for WUI-compliant assemblies add roughly 12-18% over non-WUI.
Can the exterior still look traditional with WUI materials?
Yes. Fiber-cement siding can read as real wood, standing-seam metal roofing comes in muted earth tones, and steel-framed WUI-rated windows match traditional sight lines. Material choice does not force a contemporary aesthetic.
What is Zone 0 and how do you handle it?
Zone 0 is the first five feet from the structure, designated ember-resistant under §4291. We design it on the construction documents — no wood mulch, no combustible fences attaching to the structure, no wood storage under decks, metal flashing at all wood-to-soil interfaces.
How long does the LAFD review add to the permit timeline?
Four to eight weeks beyond the standard LADBS counter timeline, depending on the scope and the examiner. Pre-coordination during design typically saves half of that.
Are you the builder as well as the designer?
Yes. CSLB-licensed GC since 2023, design firm since 2016.
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