Skip to content
PRISMGENERAL CONTRACTORS Get an Estimate

ADU guides, from idea to move-in.

Six guides that follow an ADU project in order — what happens, who’s involved and where the money goes at each stage.

Roof trusses against a blue sky
GUIDE 01 · START HERE The ADU project, stage by stage Every step from the first lot check to the final inspection, what each one costs, and where projects usually lose time. Read the guide →
STAGES
FEASIBILITY
DESIGN
PERMIT
BUILD
MOVE IN
Design and permitting overlap; construction starts once the permit is issued.
Drafting permit drawings
GUIDE 02 · PERMITS
Permits, design and pre-approved plans
  • What goes into a complete submittal
  • Custom design vs. a pre-approved plan
  • How correction rounds work
Read →
Builder on site
GUIDE 03 · UTILITIES
Utilities and connections
  • Side sewer: tie in or run new
  • Shared or separate water and electric meters
  • Why distance drives the price
Read →
House keys in hand
GUIDE 04 · FINANCING
Paying for an ADU
  • HELOC, cash-out refinance, renovation loan
  • Borrowing against future rent
  • Draw schedules during construction
Read →
Furnished rental bedroom
GUIDE 05 · RENTING
Renting it out
  • Rental registration and inspections
  • Taxes on rental income
  • Long-term vs. short-term rental rules
Read →
Modern house with pergola
GUIDE 06 · OWNERSHIP
Selling an ADU as a condo
  • What state law allows
  • Condo declaration, survey and lenders
  • Separate utilities and shared areas
Read →
Pencil on a measured site plan BEFORE YOU READ Know what fits on your lot first. Two minutes in the feasibility checker makes every guide more concrete. Check my lot →