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HOME VISIT #4 Internal ADU (Main Level) Portland, Oregon Size: 220 square feet Even small homes can have enough space for an ADU. An underused main floor bedroom in this 1.5-story, 1,500-square-foot bungalow was transformed into a studio apartment. AH-HA MOMENT: According to Joan Grimm, who owns the home with Rita Haberman: "What we were looking for in terms of a community and aging in place was right under our noses. Remove a fence and create a shared open space. Build a wall and create a second dwelling unit. It doesn't have to be complicated" REAL LIFE: "Creatively carving out an ADU from the main floor of our house saved on design and construction costs," Grimm adds. "It provides an opportunity for rental income, with no significant compromise to the livability of our home." HOME VISIT #5 Internal ADU (Lower Level) Portland, Oregon Size: 795 square feet — The steps and side entrance lead to the studio apartment ADU, which was crafted out of an existing space. The covered porch to the right leads to the primary residence. The ADU contains a kitchen, small dining and living area, sleeping area, bathroom and laundry area. (See two interior photos on pages 19 and 20.) Design: Rita Haberman I Builder: RS Wallace Construction Cost to build: $55,000 in 2075 (with some work done by the homeowners) Photos courtesy Billy Ulmer I Article adapted from `ADU Case Studies" by Lina Menard on AccessoryDwellings.org "We were looking for a way to live in our house for the rest of our lives and to generate at least some income in the process," Robert Mercer and Jim Heuer wrote for the program guide of the annual Portland ADU Tour when their home was part of the lineup. "An ADU offers the possibility of caregiver lodging in the future or even a place for us to live while we rent out the main house if we get to the point where we can't handle the stairs any longer." THE SOUND OF SILENCE: Internal ADUs often require that soundproofing insulation be installed between the primary dwelling and the accessory unit that's below, above or beside it. In Portland, the building code for duplex residences requires a sound insulation rating of at least STCC45. To property owners thinking about a similar ADU setup, the duo advise: "Think about how you live in your home and how having downstairs neighbors will change what V The door to the right of the garage leads to a ground -floor ADU with windows along the back and side walls. The upper -level windows are part of the main residence. you can and can't do with your space and what investment you are prepared to make in sound insulation." AN ADDED BONUS: "We are pleased that we have been able to provide more housing density on our property and still be in keeping with the historic character of our home." Design: DMS Architects I Builder. Weitzer Company I Cost to build: $261,000 in 2076 I Photo by Melissa Stanton, AARP Article adapted from the 2017 ADU Tour project profiles on AccessoryDwellings.org The ABCs of ADUs 1 A A RID 9