Granny Flats

Small backyard cottage with gabled roof in San Diego, California.

San Diego Sees Continued Growth in ADU Permits

Recent changes to regulations have made it easier and more affordable for homeowners to build ‘granny flats,’ and San Diego’s housing stock is benefiting.

June 20, 2024 - Axios San Diego

SMall backyard cottage ADU in San Diego, California.

How ADUs Can Help Ease the Affordable Housing Crisis

Local policies and programs can encourage homeowner participation and increase the number of ADUs available as low-cost rentals.

May 3, 2024 - Brookings

Aerial view of Reno, Nevada with homes in foreground and downtown buildings in background during autumn.

Reno Revisits Zoning Reform

After roundly rejecting a proposal to legalize granny flats in 2018, the city council is revising it and other zoning reform proposals that could increase the city’s affordable housing supply.

November 3, 2023 - Fox Reno

Rendering of cabin-style accessory dwelling unit with green trees in background.

Salem, Oregon Offers Pre-Approved ADU Plans

The city hopes the free plans will streamline the permitting process for homeowners and help spur more housing construction.

October 25, 2023 - KOIN6

Family posing on stoop of white ADU.

Creating Affordable Housing is a Priority for ADU Owners

How accessory dwelling units can benefit homeowners and renters alike.

October 12, 2023 - Jessica Brown

View of Austin, Texas skyline with river in foreground

Austin Could Legalize Tiny Homes, RVs as ADUs

Expanding the types of homes eligible as accessory dwelling units could help more homeowners afford the construction costs.

September 18, 2023 - Austin Monitor

Nighttime view of Sacramento River with Tower Bridge and Sacramento skyline.

ADU Permits Spike in Sacramento County

Backyard cottages, known as accessory dwelling units, are touted as one solution to the rising cost of housing.

September 14, 2023 - KCRA

Suburban Phoenix single-family homes in a cul-de-sac, one with large saguaro cactus in front yard

Phoenix Approves ADUs

The city hopes backyard ‘casitas’ can help alleviate the housing crisis.

September 11, 2023 - The Center Square

Two-story houses on tree-lined street in Richmond, Virginia

Richmond Poised to Make ADUs By-Right

A new ordinance would reduce costs and delays for building or converting accessory dwelling units in single-family neighborhoods.

July 18, 2023 - Greater Greater Washington

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

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

Aerial view of Yountville, California in Napa County

Napa County Announces Forgivable Loans for Affordable ADU Rentals

Homeowners in the county will be eligible for the loans if they comply with affordability requirements for five years.

December 1, 2022 - Napa Valley Register

Rendering of Samara Backyard ADU

That ADU Would Make a Nice Airbnb

An Airbnb co-founder is jumping in the pre-fab backyard cottage game—but will too many ADUs become short-term rentals to make a difference for housing costs?

November 25, 2022 - Curbed

Wooden two-story homes on the beach in Jacksonville, Florida

Jacksonville Legalizes Accessory Dwelling Units

The city expanded the areas where homeowners can build ADUs in an effort to boost housing supply and affordable rental units.

November 16, 2022 - Jacksonville Daily Record

Historic single-family homes in San Antonio, Texas.

San Antonio Debates ‘Casita’ Regulations

The city wants to incentivize the construction of backyard dwelling units, but some councilmembers want to proceed cautiously to ensure the policy benefits local homeowners.

November 9, 2022 - KENS

View of houses on Berkeley, California hillside

Berkeley ADU Rules Found in Violation of State Law

A regulation limiting the number and size of ADUs in the Berkeley Hills runs afoul of state law, but supporters say it protects the safety of residents in fire-prone areas.

October 30, 2022 - Berkeleyside

Street in downtown Whitefish, Montana

Whitefish ADU Ordinance Could Ease Housing Crunch

Recently approved revisions to the city’s accessory dwelling unit regulations prioritize long-term rentals to increase housing affordability for local renters.

July 6, 2022 - Whitefish Pilot

Historic single-family homes in San Antonio, Texas.

Opinion: Accessory Dwelling Units Will Benefit San Antonio

As the city considers loosening regulations on accessory dwelling units, one writer argues that the reforms would boost affordable housing and provide more options for changing household needs.

July 6, 2022 - San Antonio Report

Portland Maine

Maine Looks To Legalize ‘Missing Middle Housing’

Maine could become the third state to eliminate single-family-only zoning to encourage light density increases in residential areas and make it easier for homeowners to build accessory dwelling units.

April 27, 2022 - Reason

View of Fountain Square in Evanston, Illinois looking south-southeast towards Chicago and Lake Michigan

Affordable ADU Builder Hopes Co-Op Model Can Catch On

A worker-owned developer in Evanston uses sustainable materials to build efficient, affordable ADUs to help homeowners create generational wealth.

March 6, 2022 - Next City

Top Books

An annual review of books related to planning.

Top Websites

The best of the Internet—since 2002.

Top Apps

Planning apps for a brave new world.

Top Schools

The definitive ranking of graduate planning programs.

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.