Accessory Dwellings

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

Lisa Lonstron’s Other House: A Rooming House

While interviewing more than 60 ADU Homeowners for the ADU Case Studies project, I came across several different ways that people use their ADUs. I heard time and time again that ADUs provide housing flexibility and give their owners additional rental options as their life circumstances change. ADU owners can Rent One, Both, or Neither. But I’d always assumed that when an owner decided to rent out either their house or ADU they’d be renting it to a single household. Then I got to talking to Lisa Lonstron who lives in her basement ADU. Her other house – the one she lived in before she turned her basement into her apartment – is a rooming house.

December 16, 2016

Tips for Basement to ADU Conversions

Read on to learn about the benefits of basement ADUs, find links to examples of basement ADUs, and become familiar with what the deal-breakers are if you’re considering converting a basement into an ADU.

May 6, 2016 · 3 Comments

Lisa Lonstron’s ADU: An Artistic Basement Apartment

Lisa took out a home equity line of credit to fund her basement ADU and supplemented it with a portion of each month’s income from her employment. However, many of the finishing touches were a labor of love. Lisa’s key design consideration was staying on budget while using creative design and décor to make it interesting.

April 22, 2016 · 5 Comments

UDU Design ADU Profiles

To learn more about this company, check out ADU Design-Builder Profile: UDU Design LLC. For a more in-depth look, read Paz Pozarycki’s ADU: Taking it Down a Notch.   ADU #1 … Continue reading

April 8, 2016 · 2 Comments

Tatiana & Rafael Xenelis-Medoza’s ADU: A Hidden Gem

As Tatiana and her husband Rafael looked for a new home, accommodating an ADU was a key criterion. As Tatiana and her husband Rafael looked for a new home, accommodating an ADU was a key criterion. For Tatiana’s expert tips check out How to Find a Property with ADU Potential.

Xenelis-Mendoza ADU from Street
Xenelis-Mendoza ADU from Street
“We were looking for a house with the potential for an ADU. This particular property is a corner lot and it has a backyard that was accessible from the side street. The house sat and faced forward on one street and the new door from the ADU is accessible from the corner street.” – Tatiana Xenelis-Mendoza
The house they purchased in Portland’s Portsmouth neighborhood had potential for a basement ADU, with one major caveat: they didn’t have the code-required ceiling height of 6’-8” for a basement ADU.

March 11, 2016 · 1 Comment

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

John & Stephani Hayden’s ADU: An Expertly Executed Basement Conversion

John and his wife Stephani decided to use their savings to purchase a house with potential for a basement ADU. This investment would provide flexibility in terms of both their finances and their housing options.

May 22, 2015 · 12 Comments

Amanda Punton & Das Chapin’s ADU: Starting in the ADU

Quick Facts Setting: urban Neighborhood: Buckman, Portland, OR Type: daylight walk-out basement Use: long-term rental Square Footage: 700 Year Built: 1899 Year Basement Converted to ADU: 2013 Owners: Amanda Punton Designer-Builder: Das Chapin & Amanda … Continue reading

January 7, 2015 · 3 Comments

Blake Clark & Sabina Chen’s ADU: A Basement Remodel

Blake and Sabina’s decided to convert their basement into an ADU in case their family members wanted to move in. But with an out-of-state job offer on the table, they ended up remodeling both the house and the ADU to be rentals.

November 30, 2014 · 6 Comments

Francie & Michael Royce’s ADU: A Retirement Plan

Francie and Michael had three primary design criteria for their ADU. First, it had to be easy to maintain. Second, it had to be sustainable – both financially and environmentally. Finally, it had to be a pleasant space to call home.

August 15, 2014 · 1 Comment

Robert Albano’s ADU: 2 Units for Aging-In-Place

Accessibility, sociability, rentability, and sustainability were driving factors for their design. The focus of the design was aging-in-place for both dwellings. A secondary goal was energy-efficiency so that the dwellings would be less expensive to heat and cool. They insulated the units with R-40 walls and an R-60 roof. Tight air sealing was also important and they ultimately achieved 2.2 Air Changes per Hour (ACH).

July 25, 2014 · 2 Comments

Bonnie & Larry Dalton’s ADU: Two Kitchens, Please

When Bonnie Dalton was younger, her grandma lived in a family owned ADU. So when Bonnie was older and her husband’s parents needed a little extra support, Bonnie naturally thought of creating an ADU at her own house.

July 11, 2014 · 4 Comments

Joe Hermanson’s ADU: A Daylight Basement Rental

Joe wanted to provide a private entrance for his tenants. The ADU has its own walkway and stairs on the side of the house, so it looks and feels separate from the rest of the house. There were a few challenges in designing and building the ADU; however, they were fairly easy to overcome.

June 27, 2014 · 1 Comment

Derin & Andra William’s ADU: An Energy-Efficient Basement Apartment

Derin and Andra realized that if they were going to a do a full basement remodel, including a full seismic upgrade and new bedrooms, a bathroom, and recreation space, it would make sense to add a kitchen as well to create a fully self-contained unit. As they researched ADUs they were convinced to create one in their basement because it would create housing flexibility, enable them to have family close by, create community, and provide income potential.

March 28, 2014 · 12 Comments

John Baker’s ADU: Renting the Basement for 37 Years

John used a home equity line of credit (HELOC) and credit cards to turn his basement apartment into a permitted ADU. His primary design consideration was that he wanted the apartment to be a fully self-contained residence.

March 7, 2014 · 3 Comments

Wally & Lara Jones’ ADU: Keeping Good Neighbors

When Wally and Lara decided to get married, start a family, and start their own business, they decided they wanted a space of their own. However, they didn’t want their friends to have to have to move out, so Wally and Lara decided to convert the basement into a separate affordable living space.

February 7, 2014 · 10 Comments