Accessory Dwelling Units

New Laws Amount to Single-Family Zoning Ban in California
For years, the California legislators have been passing bills to allow accessory dwelling units on single-family residential lots. These laws haven't attracted the same attention as other failed laws, but their effect is significant.

The Downsides of Tiny House Living
Advocates argue the array of small dwelling options provide much-needed affordable housing. But, living in these units, many of which are extremely small, isn't the alternative many people would choose.

Portland Adjusts Residential Infill Plan to Minimize Displacement
Portland wants to add density but doesn't want to displace current residents of low- and middle-income neighborhoods.

Appetite for ADUs Rises in San Jose
San Jose has issued a steadily-rising number of ADU permits in recent years. Now, Mayor Sam Liccardo has implemented measures to ease the process for homeowners who want to build granny flats.

Philadelphia Planning Commission Approves ADU Bill
The commission recommended a trio of bills focused on historic preservation, including one that would permit accessory dwelling units on historic properties.

Making the Case for ADUs and Housing Equity
For Montgomery County in Maryland, accessory dwelling units are a viable strategy to help ease the affordable housing crisis.

This Company Will Build a Home in Your Backyard
Rent the Backyard plans to help homeowners build and rent a coach houses in their backyards and split the rent with them.

Controversial ADU Allowances Approved in Maryland
Spirited protests weren't enough to stop the Montgomery County Council from allowing accessory dwelling units (ADU) in parts of the county.

Another Berkeley 'First': Banning Natural Gas Lines in New Buildings
On Tuesday night, the City Council of Berkeley, Calif., unanimously voted to ban natural gas infrastructure from new buildings starting next year, the first city in the U.S. to pass such an ordinance. Fifty cities in the state could be next.

ADU Controversy in Montgomery County, Maryland
The Montgomery County Council is preparing to vote on an amendment that would loosen restrictions on the controversial building type known as accessory dwelling units (ADUs).

Seattle Sets a New Standard for Residential Zoning
Seattle is the latest in a series of cities, states, and counties to alter the landscape of land use regulation by approving what the Sightline Institute describes as the "most progressive" ADU policy in the United States.

Accessory Dwelling Units Legalized, Finally, in San Francisco
Legislation approved this week finally brings the city of San Francisco up to date with state laws approved in 2016.

ADU Reform Moves Forward in Seattle
A sweeping reform of Seattle's current accessory dwelling unit (ADU) rules is currently underway. Proposed legislation sets the stage for an ADU boom to potentially match Vancouver and Portland.

Zoning Changes Would Mean More Granny Flats and Fewer McMansions in Seattle
Is this a two-birds-with-one-stone situation?

How One Town Solved its ADU Regulation Challenges
Against opposition, the town of Durango, Colorado has successfully found a way to permit accessory dwelling units and legalize those that already existed under the radar.

ADU Development Reaches 'Fever Pitch'
Accessory dwelling units, also known as granny flats of mother-in-law units, are gaining popularity all over the country.

Accessory Dwelling Units as Mansionization Control
One benefit of more accessory dwelling units (ADUs) could be less mansionization of oversized single-family homes.

Twin Cities ADU Construction Slow, but Expected
Easing ADU regulations has led to some new construction in the Twin Cities, but the additional units have made a small dent in the area’s affordable housing problem.

Hammering Out the Details of New Accessory Dwelling Unit Regulations
As Montgomery County, Maryland considers a new law to allow more development of accessory dwelling units. The devil is in the details.

What a Different Approach to ADUs Could Mean for Chicago
Architect Larry Kearns argues that re-legalizing accessory dwelling units in Chicago could do a lot to promote affordable housing and economic diversity.
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