Skip to content
ADU Project Planner
  • Start here
    • Check my property
    • Property evidence checklist
    • All planning tools
    • Planning guides
  • ADU options
    • Compare ADU types
    • Garage conversions
  • Costs & budget
    • Build my budget
    • Detailed budget worksheet
    • Rental return calculator
  • Rules & permits
    • California ADU rules
    • Find local rules
    • Permit process
    • Permit checklist
  • My project

Design & Types

ADU types, layouts, floor plans, accessibility, and design decisions for homeowners.

Are Pre-Approved ADU Plans Really Free in California? What You Still Pay For (2026)

September 6, 2026 by Gijo John
California homeowners reviewing a pre-approved ADU plan and site layout for a backyard accessory dwelling unit

Some California cities offer free or pre-approved ADU plans, but the plan set is only one piece of the project. This guide shows what homeowners still need to budget for before calling a plan truly free.

Categories Costs & Financing, Design & Types Leave a comment

JADU vs ADU California: 2026 Requirements, Owner-Occupancy & Costs

September 5, 2026August 30, 2026 by Gijo John
Compact modern kitchenette and living space suitable for a junior accessory dwelling unit

A homeowner-focused guide to California JADU rules in 2026, including size, kitchen and bathroom requirements, owner occupancy, costs, permits, and the practical differences between a JADU and a standard ADU.

Categories Design & Types, Rules & Permits 2 Comments

Recent Posts

  • Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn’t (2026)
  • Are Pre-Approved ADU Plans Really Free in California? What You Still Pay For (2026)
  • California ADU PG&E Meter Requirements & Utility Connection Costs (2026)
  • How to Compare ADU Contractor Bids: What Every Quote Should Include
  • ADU Construction Process: What Happens After Your Permit Is Approved?

Recent Comments

  1. Los Angeles Garage Conversion ADU Cost (2026) on California ADU Permit Process (2026): Steps, Timelines & Checklist
  2. Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn't (2026) - ADU Project Planner on How to Compare ADU Contractor Bids: What Every Quote Should Include
  3. California Garage Conversion ADU Cost: 2026 Budget Guide on Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn’t (2026)
  4. Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn't (2026) - ADU Project Planner on California Garage Conversion ADU Cost: What to Budget for in 2026
  5. Are Pre-Approved ADU Plans Really Free in California? What You Still Pay For (2026) - ADU Project Planner on California ADU Permit Process (2026): Steps, Timelines & Checklist

Archives

  • September 2026
  • August 2026

Categories

  • ADU Planning
  • Construction
  • Costs & Financing
  • Design & Types
  • Rules & Permits

Recent Posts

  • Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn’t (2026)
  • Are Pre-Approved ADU Plans Really Free in California? What You Still Pay For (2026)
  • California ADU PG&E Meter Requirements & Utility Connection Costs (2026)
  • How to Compare ADU Contractor Bids: What Every Quote Should Include
  • ADU Construction Process: What Happens After Your Permit Is Approved?

Recent Comments

  • Los Angeles Garage Conversion ADU Cost (2026) on California ADU Permit Process (2026): Steps, Timelines & Checklist
  • Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn't (2026) - ADU Project Planner on How to Compare ADU Contractor Bids: What Every Quote Should Include
  • California Garage Conversion ADU Cost: 2026 Budget Guide on Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn’t (2026)
  • Los Angeles Garage Conversion ADU Cost: What the Existing Garage Saves—and What It Doesn't (2026) - ADU Project Planner on California Garage Conversion ADU Cost: What to Budget for in 2026
  • Are Pre-Approved ADU Plans Really Free in California? What You Still Pay For (2026) - ADU Project Planner on California ADU Permit Process (2026): Steps, Timelines & Checklist

Archives

  • September 2026
  • August 2026

Categories

  • ADU Planning
  • Construction
  • Costs & Financing
  • Design & Types
  • Rules & Permits

About  •  Contact  •  Editorial & Source Policy  •  Privacy Policy

We are independent researchers, not licensed structural engineers, architects, or general contractors. Always verify local zoning with your city planning office before breaking ground. For unincorporated properties, confirm requirements with the responsible county agency.

© 2026 ADU Project Planner • Built with GeneratePress