FREE ADU Guide for LA Homeowners
We have helped dozens of Los Angeles homeowners design, permit, and build ADUs. We’ve seen where projects get stuck — this guide helps you avoid those same mistakes.
Who Is This for?
Los Angeles homeowners exploring ADU planning who want clear guidance, smarter decisions, and a simple contractor checklist to help them hire the right ADU builder with confidence.
What it is for?
A simple, practical ADU planning resource that helps you understand the process, avoid mistakes, and make smarter design and budget decisions.
Who is AT Builders LLC
A local design-build team specializing in professional ADU planning and construction, built with craftsmanship, accountability, and a homeowner-first approach.
Heres what you get
Timelines & cost impact factors
Learn what causes ADU delays and how early decisions affect your budget.
Types of ADUs
Detached, attached, and conversion ADU options explained for homeowner use.
Design strategies that maximize space
Smarter layouts, light flow, entry planning, and utility-aware design tips.
Common ADU mistakes
Costly errors homeowners make when planning, designing, and managing ADU builds
Financing options that support your ADU
HELOCs, ADU loans, and rental income planning to support your build.
ADU checklist for choosing a contractor
Key questions to ask and red flags to avoid before hiring a builder.