The Alder ADU Plan
The Belmont Duplex Plan
The Overlook Duplex – 3-Story, 2-Bedroom Modern Duplex House Plan - New!
The Pinecrest ADU Plan | 790 SF 2-Bedroom Cottage ADU - NEW!
The Fernwood ADU Plan | 790 SF 2-Bedroom Cottage House Plan - NEW!
The Sellwood Duplex Plan - Coming Soon!
The Briar
The Kestrel ADU Plan
WHAT IS INFILL DEVELOPMENT?
The Smart Way to Build in an Established Neighborhood.
An infill lot is a vacant or underutilized parcel sitting within an already-developed urban or suburban area. Building on these sites adds housing where infrastructure already exists, without sprawl, without long commutes, and without sacrificing the character of the surrounding neighborhood.
The challenge is that infill lots are rarely cookie-cutter. They're narrow, irregular, steeply sloped, or oddly shaped. Standard plan books don't work. Our plans do.
THE PROCESS
Three Steps From Plan to Permit
STEP 1
01
Browse our plans and find one that meets your needs and fits your site. Plan sets are designed to be clear legible and bring creativity to each building.
STEP 2
02
Purchase the plan set that fits your site. You'll receive a full-resolution PDF package or CAD Files — immediately, at checkout.
STEP 3
03
Verify compliance with local codes. Submit the documents to your local building department. Our plans are drawn to IRC standards to streamline the permit process.
Resources for InfillBuilders
Setbacks, FAR, and Lot Coverage: Zoning Terms Every Infill Builder Needs to Know
The Infill Lot Feasibility Checklist: 10 Things to Verify Before You Build
ADU Rules by State: What You Need to Know in 2025
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