LAND TO LEGACY · EPISODE 67
Will This ADU Pencil?
Use the right questions before an accessory dwelling unit makes sense for your property.
A homeowner can be legally allowed to build an ADU and still be better off leaving the backyard alone. Babak Mortazavi joins Eugene Gershman to examine the economics, permitting, design, financing, and neighborhood tradeoffs behind accessory dwelling units.
The conversation moves from the reason ADUs have become a major housing strategy to the questions that decide whether a project works: purpose, feasibility, soft costs, hard costs, financing, parking, contractor pricing, prefab delivery, and the homeowner's tolerance for risk.
Babak explains how LADU's design, permitting, engineering, and construction platform works, why the first question is whether the ADU is for family, income, or another specific goal, and why contractors should price the project instead of the customer.
They also discuss standardized lot patterns and repeatable designs, the promise and limits of prefab, why an ADU budget can expand like a wedding budget, and the second-order effects of housing change on neighborhoods.
MAIN POINTS
What to take back to your team.
- 01
Decide the purpose before you measure the lot
Babak explains why the first question is whether the ADU is for family, income, or another specific goal. The answer changes the design, the financing, the rent, and the exit.
- 02
Budget for the work between the estimate and the slab
Feasibility, stamped plans, contractor estimates, and the gap between them can expand an ADU budget the way a wedding budget expands. Babak describes why homeowners should plan for soft costs before they expect a firm construction number.
- 03
Let the contractor price the project, not the customer
Babak discusses construction pricing and why contractors should price the project instead of the customer. He explains how LADU's platform reduces the homeowner's exposure to contractor pricing uncertainty.
- 04
Prefab is a delivery method, not a magic number
Babak explains the promise and limits of prefab, including delivery, inspection, financing, and panelized construction. The right answer depends on the site, the access, and the lender.
QUESTIONS FOR YOUR TEAM
Questions raised by the episode.
Why can a homeowner be legally allowed to build an ADU and still be better off leaving the backyard alone?
Babak explains that the right question is not whether the city allows the unit, but whether the project pencils once purpose, feasibility, soft costs, hard costs, financing, parking, contractor pricing, prefab delivery, and the homeowner's tolerance for risk are all on the page.
What is the first question a homeowner should answer before starting an ADU?
Babak describes why purpose comes first: an ADU for a family member has a different design, financing, rent, and exit than an ADU for income. The answer changes every downstream decision.
What drives an ADU budget up between feasibility and construction?
Babak walks through the gap between a feasibility study, stamped plans, and contractor estimates — and why an ADU budget can expand like a wedding budget if the homeowner does not plan for soft costs and design changes.
What is the realistic role of prefab in an ADU project?
Babak explains the promise and limits of prefab: delivery, inspection, financing, and panelized construction. He describes where prefab helps, where it does not, and what a homeowner should confirm with the lender before committing.
CHAPTERS
Jump to a section.
00:00Highlights on pricing transparency, homeowner risk, permitting, and budget discipline00:57Land to Legacy introduction01:08Eugene introduces Babak and the role of accessory dwelling units in the housing discussion01:51Babak explains why property owners have become an important part of California's housing strategy08:27The conversation breaks down LADU's design, permitting, engineering, and construction platform11:43Babak explains why the first question is whether the ADU is for family, income, or another specific goal16:38Babak discusses construction pricing and why contractors should price the project instead of the customer19:38Trust, reputation, and the high cost of failure in a homeowner's first major project21:28A Coastal Commission delay becomes a lesson in reading the fine print and managing expectations25:24Standardized lot patterns, repeatable designs, and the move toward a smaller menu of proven options26:55Babak explains the promise and limits of prefab, including delivery, inspection, financing, and panelized construction33:04Feasibility, stamped plans, contractor estimates, and why an ADU budget can expand like a wedding budget36:51Eugene and Babak discuss neighborhood resistance, architectural fit, density, and the second-order effects of housing change45:35Pocket neighborhoods, tenants in common, and alternative paths to homeownership47:43How to contact Babak and request an LADU consultationCONTACT INFORMATION
Links from the conversation.
Connect with Babak Mortazavi
Eugene Gershman and Land to Legacy
FREE WORKING GUIDE
Work through your own project.
Use the worksheet to write down the owner's goal, the assumption that needs testing, who will check it, and the result that would make the team continue, pause, or stop.
DEVELOPMENT RESOURCE
Considering development?
Considering development? Before you spend on design, use GIS's free Feasibility Study Checklist to organize the basic property facts, identify questions that still need answers, and prepare for a more useful conversation with your development team.
Get the free GIS Feasibility Study ChecklistExamples reflect the projects and experiences discussed. Construction pricing, financing, and ADU regulations vary by jurisdiction.
Next episode guide: When Cheap Houses Get Expensive