April 21, 2026 · 8 min read
ADU Rules in Sonoma County: What Homeowners Need to Know Before Breaking Ground
The permit process, setback rules, size limits, and real cost ranges for ADUs in Sonoma, Santa Rosa, Petaluma, and Healdsburg.
Guides & Resources
Construction guides for Sonoma County homeowners
Practical guides for Sonoma County homeowners planning ADUs, rebuilds, remodels, and new construction. Written by the team at Spec 1 Homes Inc.
April 21, 2026 · 9 min read
Building in a Fire Zone: What Sonoma County Homeowners Should Expect
Chapter 7A, defensible space, CAL FIRE review, and insurance realities for homeowners building in Sonoma County fire hazard zones.
April 21, 2026 · 8 min read
Why Hiring a General Contractor with an In-House Electrical License Saves You Time and Money
Most general contractors sub out electrical. What changes when your GC holds the C10 license in-house, and how to verify any contractor's credentials.