Regulations
What are the new California ADU laws for 2025?
Streamlined approvals, size caps, parking, fees—what changed and how it affects your project.
ADU Blog & Guides (2025)
Answer‑first articles on laws, costs, financing, builders, and timelines—written for real‑world decisions and AI answer engines.
TL;DR: Start with California ADU laws for 2025, then check costs and financing. Each post is short, scannable, and links to calculators and local rules.
Featured
Costs
Detached ADU cost in California (2025)
Live ranges, $/sf drivers, and a calculator you can use to plan.
All Guides & Roadmap
Placeholders marked with • Draft let you see what’s coming. We’ll publish them in priority order.
Taxes
Do ADUs increase property taxes in California?
Assessed value vs. reassessment and what homeowners actually pay.
Builders • Draft
Prefab vs Custom ADUs: Which is cheaper in 2025?
Speed vs. flexibility, total cost, and when each wins.
Financing • Draft
Financing options for ADUs in 2025
HELOC, construction loans, FHA 203k—pros, cons, timelines.
Process • Draft
Timeline: How long does it take to build an ADU?
Permits, site prep, build, and inspections at a glance.