The guides

ADU guides written by builders

Our team’s compilation of thousands of hours of ADU design and building — how to plan, design and build right for each use. $129 each, or all three for $199.

ADU built for aging parents: an open, single-level kitchen and living room filled with daylightADU built for aging parents

The Age-in-Place ADU Guide

For families building a home for a parent — or for themselves — to age in place.

  • ADU vs. senior living — a cost calculator with your real numbers
  • Room-by-room specs for the entrance, kitchen, bathroom and bedroom
  • How to make it feel like a home, not an apartment
  • Your one-page brief to hand any builder
ADU built for in-home care: a curbless walk-in shower with a seamless tile floorADU built for in-home care

The In-Home Care ADU Guide

For families caring for someone who needs help now — with mobility, daily living, or a caregiver.

  • ADU vs. facility care — what families actually save
  • Talking to the care provider first: the questions to ask
  • The care bathroom, the care bedroom, and space for a caregiver
  • Why closeness to family matters to health — and how to design for it
ADU built for rental income: a detached unit with its own private entrance and garden pathADU built for rental income

The Investor’s ADU Guide

For owners and investors adding a rental unit on land they already own.

  • Buy a door vs. build one — side by side, with your numbers
  • Fully loaded underwriting: yield, cash-on-cash, DSCR, equity at completion
  • The 1% rule, BRRRR with an ADU, and second-mortgage financing
  • The tenant-first spec: what rents, and what doesn’t pay