ADUs

Washington, D.C. Historic District

Balancing Aesthetics and Affordability

Policies too narrowly focused on design can drive up the cost of construction and prevent the development of affordable housing.

April 20, 2021 - Slate

Back Yard

With Regulations Loosened, Granny Flat Construction Soars in California

Less restrictive permit laws and pre-fabricated, pre-approved building options are spurring more homeowners to build backyard additions.

April 9, 2021 - Bloomberg CityLab

Accessory Dwelling Unit rendering

Los Angeles Streamlines ADU Permits with High-Design Templates

Los Angeles' ADU Standard Plan Program will offer homeowners a set of pre-approved designs that will save them time and money.

March 8, 2021 - Los Angeles Times

Accessory Dwelling Unit

Why Have ADUs Proliferated in Portland, Lagged in D.C.?

A new report by the Urban Institute examines the consequences of small differences in land use regulations.

November 11, 2020 - Greater Greater Washington

Accessory Dwelling Units

'Permit Ready Plans' for ADUs Published in Stockton, California

Cities looking to provide incentive for the construction of accessory dwelling units are increasingly released "permit ready plans" to help the cause.

October 12, 2020 - City of Stockton

Accessory Dwelling Unit

An Online Portal for Designing Accessory Dwelling Units

The ADUniverse website offers pre-approved designs for homeowners who want to add Accessory Dwelling Units on properties in Seattle.

September 17, 2020 - The Urbanist

Accessory Dwelling Unit

California Cities Going the Extra Mile to Support ADU Construction

A few jurisdictions have gone beyond conformity with state law to encourage the construction of accessory dwelling units in the state of California, like in San Diego.

August 17, 2020 - Next City

Oregon

The 'Most Pro-Housing Reform in U.S. History' Expected for Approval Today in Portland

The Portland Residential Infill Project is expected for approval by the Portland City Council today, culminating a six year process that became more and more ambitious with every iteration.

August 12, 2020 - Sightline Institute

Accessory Dwelling Unit

The Untapped Resources to Add Hundreds of Thousands of New Housing Units

A new report explores the untapped housing opportunities for the region around New York City, and suggests planning tools for adding hundreds of thousands of housing units without building hundreds of thousands of new buildings.

August 3, 2020 - Regional Plan Association

California Sprawl

California's Piecemeal Progress on Housing Production

California Assemblymember Richard Bloom and Tara Barauskas dive into the barriers to affordable housing in California and whether recent legislation streamlining local planning, zoning, and permitting processes.

February 27, 2020 - The Planning Report

Sprawl

Modest Densification, a Strategy to Alleviate the Housing Crisis?

Incremental changes to density on single-family parcels could boost the nation’s housing stock without dramatic impacts at the neighborhood level.

January 2, 2020 - Curbed

Accessory Dwelling Unit

New California Accessory Dwelling Unit Laws Take Effect Today

New state legislation will kick in at the start of the new year easing restrictions on ADUs.

January 1, 2020 - La Cañada Valley Sun

Accessory Dwelling Unit

Seattle Companies Want to Drive Down Prohibitive ADU Costs

Legal barriers to accessory dwelling units may be disappearing in some places, but costs can still be prohibitive. Several companies are stepping forward with more affordable options.

November 25, 2019 - The Urbanist

Tiny House

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.

October 7, 2019 - Fast Company

Accessory Dwelling Unit

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.

August 30, 2019 - The Mercury News

Elfreth's Alley

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.

August 27, 2019 - PlanPhilly

Accessory Dwelling Unit

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.

August 21, 2019 - Greater Greater Washington

Montgomery County Residential Homes

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).

July 9, 2019 - WAMU

San Francisco Bay Bridge

Bay Area Planners Acknowledge the Need for Regional Housing Solutions

While most Bay Area communities are pursuing housing solutions "individually," local planners acknowledge the need for strategies that address the regional as a unified whole.

July 3, 2019 - Lincoln Institute of Land Policy

Accessory Dwelling Unit

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.

June 11, 2019 - The Urbanist

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.