Accessory Dwelling Units

Rendering of shipping container-like ADU unit pre-approved by the city of Los Angeles

Should ADUs Count as Affordable Housing?

Without regulations or monitoring systems to ensure accessory dwelling units are rented at affordable rates, citing ADU construction toward affordable housing goals is a disingenuous way to avoid building multi-family housing.

June 21, 2023 - The Real Deal

Aerial view of Colorado state capitol in Denver, Colorado

What Caused the Failure of Zoning Reform in Colorado?

Land use reform bills that gained bipartisan support in the Montana legislature were strongly opposed by Colorado Republicans.

June 14, 2023 - The Colorado Sun

Wood-frame two-story housing under construction

Opinion: Failed Housing Bills Could Signal California-Style Housing Crisis in Texas

Legislators in a state that so often touts its policies as the opposite of California’s defeated several bills that would have made housing construction easier, leading to concerns that a constricted housing market may exacerbate the housing crisis.

June 8, 2023 - The Dallas Morning News

Denver City Hall building with green lawn and red flowers in front, Denver, Colorado

Denver Makes ADU Rules More Flexible

The city hopes adjusting its regulations for accessory dwelling units will make the process more affordable for residents and help ease the city’s housing crunch.

June 7, 2023 - Denverite

A spraling subdivision of single-family detached housing in a desert setting.

Albuquerque Poised to Legalize Accessory Dwelling Units

Allowing ADU construction on parcels previously zoned exclusively for single-family detached housing is one component of the Housing Forward ABQ initiative, a larger effort to reform zoning practices in Albuquerque.

June 6, 2023 - Albuquerque Journal

Small grey accessory dwelling unit cottage in California backyard

California Sees Spike in ADU Permits

Homeowners in the state are eagerly taking advantage of new laws allowing them to build additional housing units, making a small but significant impact on the housing supply.

May 29, 2023 - The Washington Post

Aerial view of Missoula, Montana

Montana Governor Signs Zoning Reform Bills

Four bills that target housing production promise to streamline permitting processes, reform ADU regulations, and loosen zoning restrictions in commercially zoned areas.

May 24, 2023 - The Missoulian

Colorado State Capitol Building

Landmark Land Use Bill Fails in Colorado Legislature

Colorado Governor Jared Polis’s effort to allow for more housing construction by preempting local control of zoning failed to achieve the required level of political support in the state legislature.

May 11, 2023 - CPR News

California Houses

California Growth Report: Housing Up, Population Down

Good and bad news can be found in the most recent demographic report from the California Department of Finance. The population dropped by nearly 140,000 last year while housing grew at the highest rate in 14 years.

May 4, 2023 - San Francisco Chronicle

Texas Capitol Building

Bill Legalizing ADUs Passes Texas Senate

If passed by the full state legislature, the bill would eliminate local restrictions on ‘mother-in-law’ units.

May 1, 2023 - FOX 4 News

Colorado

Fort Collins Code Update Rescinded Due to ADU Opposition

It’s back to the drawing board for a development code update in Fort Collins, Colorado, after residents revolted against zoning reforms that include by-right development of accessory dwelling units.

April 7, 2023 - The Coloradoan

Dark grey two-story accessory dwelling unit in backyard

Op-Ed: How ADUs Can Ease the Housing Crunch

With the right policies in place, basement apartments, converted garages, and backyard cottages can create a significant number of affordable housing units.

April 4, 2023 - Governing

Modern small-lot homes in north Dallas suburb

Code Reforms to Ease the Housing Crisis

Ten recommendations for zoning code changes that could make housing more affordable.

April 3, 2023 - Congress For New Urbanism

Two white two-story Sears Roebuck catalog homes in Tuscumbia, Alabama

The Return of ‘Catalog Homes’

Sets of pre-approved housing plans can lower construction costs, shorten timelines, and encourage more badly needed housing production.

March 29, 2023 - Route Fifty

An aerial view of the Anchorage metropolitan area shows sprawling development surrounded by tall mountains.

With New ADU Rules, Anchorage Leading U.S. Zoning Reform Efforts

Anchorage recently passed a package of laws that will allow accessory dwelling units in commercial and residential zones, and, in a rare move, on residential lots with existing multi-family housing.

March 22, 2023 - Sightline Institute

Drone view of colorful sunset over suburban neighborhood in Phoenix, Arizona

Arizona Housing Bill Fails in State Senate

The bill would have eliminated some parking requirements, legalized more types of affordable housing, and promoted increased housing production.

March 14, 2023 - 12News

Seattle

More ADUs Than Single Homes Being Built in Seattle

Permits for accessory dwelling units jumped by 250 percent between 2019 and 2022.

March 10, 2023 - The Seattle Times

Pacific Coast

Huntington Beach Mounts Legal Challenge to State-Mandated Density

The Orange County beachfront community has had enough of the California State Legislature’s preemption of local zoning laws.

February 27, 2023 - LAist

San Diego skyline and apartment buildings

San Diego Expands Transit Oriented Zoning From a Half-Mile to a Mile

A recent package of code changes by the city of San Diego will make it possible to build high-rise residential buildings and accessory dwelling units in larger areas around public transit.

February 23, 2023 - The San Diego Union-Tribune

Quincy Market

Op-Ed: Boston Needs Zoning Reform Now

The Boston Globe’s editorial board calls on the city to take on citywide zoning reform to boost housing construction and revitalize areas that have faced historical underinvestment.

February 21, 2023 - The Boston Globe

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.

Top Books

An annual review of books related to planning.

Top Schools

The definitive ranking of graduate planning programs.

100 Most Influential Urbanists

The who's who of urbanism, according to Planetizen readers.

Urban Planning Creators You Should Know

A short list of voices on social, video, and podcasting platforms.