ADU classes for Portland homeowners- postponed due to Coronavirus- Special offer for Portland Metro locals
Kol Peterson, one of the editors here, hosts a class called “Building An Accessory Dwelling Unit on your property,” on Please visit Kol’s site for more details.
Building design and construction process – step by step
Reasonable people may disagree, but here are the sequential steps in designing and building an ADU. This is an approximation of the steps for my ADU project, anyway. This was … Continue reading
Energy efficiency and building size
Building residential options that use less energy is achieved most effectively by building smaller square footage units and filling in vacant urban space (aka urban infill). Building green is achieved … Continue reading
Building a detached ADU
Building a detached ADU isn’t necessarily different than building a house. Although ADUs (usually <800 sq ft) are necessarily smaller than a normal house (avg house size is 2,382 sq … Continue reading
Ten steps to permitting an ADU
Ten steps for planning, designing, and permitting an ADU Building an ADU is daunting. Here’s a quick sketch of the chronological steps to get ready to build an ADU on … Continue reading
Accessory Dwellings 
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