Accessory Dwellings

A one-stop source about accessory dwelling units, multigenerational homes, laneway houses, ADUs, granny flats, in-law units…

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.

December 10, 2019 · 2 Comments

Announcing the next Build Small Live Large Summit and the next ADU Academy. November 7th and 8th, 2019. Portland, Oregon.

Two national, back-to-back events on November 7th and 8th in Portland, Oregon

August 11, 2019

Recap of 2019 ADU Tour

The ADU Tour in June was a blast. Approximately 800 people attended. We’ve made the 17 project profiles public. You can find them here.

July 23, 2019 · 5 Comments

Seventeen ADUs!

I don’t know what I was thinking.I couldn’t help myself. I kept saying yes; I couldn’t resist. Now, look what I’ve done.Maybe you’re wondering what am I talking about. I’m talking about this year’s ADU Tour, of course!

April 29, 2019

Announcing Accessory Dwelling Academy and The ADU Tour

On June 21st, 2019, we are running a new professional education event designed for builders, designers, lenders, realtors and appraisers who aspire to up their ADU game and stand out from the competition.

February 11, 2019 · 2 Comments

Basement/Garage Conversion Open House on Thursday, April 19th

For those of you in Portland, I’m having an open house event this Thursday, April 19th at my recently completed basement/garage conversion ADU from 4-7pm. I hope to see you there.

April 16, 2018 · 1 Comment

The First National ADU Summit on November 3-5 in Portland

The Build Small Live Large Summit is the first ever national gathering of leaders in ADU policymaking, design and development. ADU industry practicioners across the country will convene to share and showcase emerging best practices regarding the development of this rare housing type. If you are an ADU enterprenuer, designer, builder, policy-maker, or advocate, we hope that you will be able to attend. 

September 26, 2017

2017 ADU Tour Wrap-Up

The ADU Tour in Portland on September 9th and 10th was great. 600 people each day attended to see the 12 ADUs featured in NE Portland and the 12 ADUs in SE Portland. 

September 12, 2017

ADU Tour on September 8th-10th

The ADU Tour is just a couple weeks away on September 8-10th. If you are planning to build an ADU, drop whatever else you have planned and clear your schedule for this weekend. This is the largest (and best) ADU Tour in the nation.  

August 24, 2017 · 1 Comment

ADU Tour- Early bird sales end August 19th

Eary bird sales for the ADU Tour end on August 19th. You can buy tickets now.

It’s shaping up to be an awesome event! There’s going to be 12 ADUs featured on Saturday in SE and 12 ADUs on Sunday in SE. For those who are only interested in seeing certain ADU structural types, here is the breakdown by day.

August 3, 2017 · 1 Comment

Building An ADU- a new website for those seeking to build ADUs

BuildinganADU.com is a website geared to homeowners who want to build an ADU on their property, featuring posts and tips that delve into great detail about explaining how much ADUs cost to build using actual costs from recent projects,

July 3, 2017

Announcing the 2017 ADU Tour

We are excited to announce the next ADU Tour. This tour has an awesome line up, chock-full with awesome and diverse ADU types and styles.

It’s going to be a full weekend event with 10+ ADUs in NE Portland featured on Saturday, and a different set of 10+ ADUs in SE Portland on Sunday. None of these ADUs have been featured on previous ADU tours before.

April 24, 2017 · 3 Comments

PCC ADU Design Wraps Up

This past weekend Lina Menard, one of our editors and the coordinator of the ADU Case Studies Project, taught an ADU Design Class through Portland Community College. The fourteen students brought a variety of project ideas, including everything from garage and basement conversions to backyard cottages, additions, and renovation of a workshop.

February 7, 2017 · 3 Comments

Follow Up to the September 2016 ADU Tour

The ADU Tour on September 18th was a great event! Over 700 people registered and attendees had a fabulous experience. We aim to make the tour as educational as possible for attendees. Following the tour, we received many comments in the feedback, like this one.

September 27, 2016 · 3 Comments

The ADU Tour is Less Than One Week Away

The weather looks like it will be awesome for next week’s city wide ADU Tour. The ADU Tour hosts are excited to open their doors for the tour. In addition to … Continue reading

September 12, 2016

It’s Time to Register for the September 2016 ADU Tour

The City-wide ADU Tour is less than six weeks away, and early bird ticket sales end on September 2nd. On the tour, you’ll meet homeowners who have recently completed their ADUs, who … Continue reading

August 10, 2016

Save the Date: ADU Tour–September 17th & 18th

The ADU Tour is on for September 17th & 18th, 2016. Learn more and register here. This will be the fourth city wide tour of ADUs. 10+ ADUs will be … Continue reading

June 20, 2016

Tangible Ways You Can Support Space-Efficient Housing

At the Build Small, Live Large Summit on Friday, November 6th, the five panelists in the Space-Efficient Housing Policy Round Table and left the audience with tangible ways they could support space-efficient housing. A member of the audience asked us to make the list available online and we thought that was a great idea, so we’ve obliged. Read on and pick an action item to help us promote small housing choices!

December 11, 2015 · 4 Comments

Preview of Some of the ADUs Featured on the Fall, 2015 ADU Tour

The City-wide ADU Tour is just two weeks away.The ADUs on this tour are beautiful and we can’t wait for you see them in person. Here’s a preview of some of the ADUs you’ll be seeing.

October 25, 2015 · 4 Comments

Fall 2015 ADU Tour Information

Registration for the November 7th ADU Tour is now live; early bird sales end on October 24th. For those seeking design inspiration for small houses, the ADUs on this upcoming tour are exceptionally beautiful. Here’s a sneak preview of a few of some of them.

September 17, 2015 · 6 Comments

Alan Durning Keynote Speaker at the Fall Build Small Live Large Summit

Conference is Sold Out!  Alan Durning, a long-time sustainability leader in the Northwest, is newly fired up—and for good reason. Since founding Sightline Institute in 1993, he has written more … Continue reading

August 21, 2015

Follow up to the Spring, 2015 ADU Tour

The spring, 2015 ADU Tour was amazing! Here’s a few snapshots that will provide a sense of what the event was like.

On Friday evening, 349 people attended a 3-hour ADU 101 workshop.

June 2, 2015

Save the Date for the 2015 Build Small Live Large Summit: Friday, Nov. 6!

Conference is Sold Out!  The Build Small Live Large Summit is back by popular demand! This unique, one-day event will convene leading small home designers, builders, developers, realtors and policy … Continue reading

June 1, 2015 · 1 Comment

Spring, 2015 ADU Tour – Final Week Updates

*Update as of 6/3/2015. Read a follow up post about the tour here: https://accessorydwellings.org/2015/06/02/follow-up-to-the-spring-2015-adu-tour/*

May 24, 2015 · 2 Comments

Updates for the Spring, 2015, ADU Tour

The city-wide ADU tour is almost here. There will be 12 ADUs to tour in NE Portland on Saturday, May 30th, and 13 ADUs in Portland SE on Sunday.

The inaugural ADU Tour in the spring of 2014 sold out a week early at 850 tickets, and drew attendees from across the country, showing the surging interest in small housing.

April 1, 2015 · 5 Comments

SAVE THE DATE—Portland’s 2nd Annual Accessory Dwelling Unit Tour – Spring, 2015

SAVE THE DATE: May 29th- May 31st!

I’m very excited to announce Build Small, Live Large: Portland’s Accessory Dwelling Unit Tour – Spring, 2015.

December 23, 2014 · 4 Comments

New ADU Class for Realtors

Following on the heels of the Value it Green tour in early September, Earth Advantage will be offering a new class called All About ADUs – A Primer Course for Brokers. … Continue reading

September 19, 2014

Value it Green Tour Features ADUs

  Join other REALTORs, appraisers and lenders visiting green homes and ADUs across Portland. Have fun with your peers while you’re escorted by experts on buses to and from the … Continue reading

September 3, 2014

ADU Tour, Spring 2015

We wanted to update readers about the plan for the next ADU Tour. The last ADU tour was a trememdous success, so we’ve decided to run it again next spring. … Continue reading

August 9, 2014 · 5 Comments

Follow up on the June 1st ADU Tour

On Sunday, we hosted Build Small, Live Large: Portland’s Accessory Dwelling Unit Tour. Over 500 people signed up for the early bird registration, and by the time 800 people registered five … Continue reading

June 2, 2014 · 1 Comment

Attend Portland’s Inaugural Accessory Dwelling Unit Tour

Update 5/28/14: There’s been a huge amount of interest in attending this tour, which is fantastic. Over 800 people have registered to attend. The tour is sold out, but you can add your … Continue reading

May 18, 2014 · 2 Comments

Heard rumors about an ADU Tour?

Well, they’re true. On Sunday, June 1st, in partnership with the City of Portland, Metro, and the Oregon Department of Environmental Quality, Caravan- The Tiny House Hotel, is running Portland’s … Continue reading

March 16, 2014

ADU Case Studies Project Launch

In the summer of 2013 Oregon DEQ conducted a survey of Accessory Dwelling Unit (ADU) owners. We received an excellent response from across the state and have published the ADU … Continue reading

December 28, 2013 · 3 Comments

Free Bike Tour of ADUs in Portland on Saturday

*Editors Note: The Oregonian posted a short article about this tour* If you’re in Portland, consider joining this year’s biking tour of ADUs and tiny houses in Portland, Oregon on … Continue reading

June 26, 2013 · 1 Comment

Videos from the Build Small | Live Large Housing Summit

Here are a few of the videos from the Build Small | Live Large Summit. For more videos and presentations, check out the conference home page. The quality of the … Continue reading

November 8, 2012

Build Small | Live Large Housing – The Beginning of Something Small

On Friday, October 26th, we held an incredible event at Portland State University. It was the first summit of its kind, focusing on space efficient housing. The Build Small | … Continue reading

November 1, 2012 · 1 Comment

Build Small / Live Large Housing Summit

When measuring energy use on a per sq ft basis, large homes are often more energy efficient. The problem is that energy is actually used on a per person basis … Continue reading

October 9, 2012 · 4 Comments

Two Free Tickets for the Build It Green Tour

For fans of ADUs in Portland, tomorrow is a great chance to see some in person. I have two tickets for tomorrow’s Build it Green tour, which will feature 8 … Continue reading

September 21, 2012

Little is Large on Portland’s 2012 Build It Green! Home Tour

The City of Portland’s Build It Green! Home Tour and Info Fair (BIG!) turns eleven this year. BIG! is a self-guided tour of 16 green remodels and new homes around … Continue reading

August 17, 2012 · 3 Comments

A Bike Tour of Accessory Dwelling Units (video)

In June, Portland State University master’s student and Orange Splot intern, Lina Menard, organized a great bike tour of some ADUs in NE Portland. Mark Rainha compiled and edited an … Continue reading

August 2, 2012 · 1 Comment

“Understanding and Appraising properties with Accessory Dwelling Units (ADUs)” – a free seminar December 16, 2011 in Portland

[EDITOR’S NOTE: this event has already occurred! For a synopsis of results, click here.] (for an emailable PDF of this invitation, click here) A presentation for real estate, building, and … Continue reading

November 21, 2011

Cider Mixer and OPEN HOUSE at new Eco-ADU in NE Portland: this Wednesday, November 16, 4-6pm

Please join Hammer & Hand this Wednesday, November 16 for “cider libations and greenbuilding revelations” at the new Alameda Ridge ADU.  Hammer & Hand’s project team will be joined by … Continue reading

November 14, 2011