Accessory Dwelling Units
ADUs account for nearly 28% of Bay Area housing permits
In Hillsborough, 56 of 58 homes permitted in 2025 were ADUs.
Report: Massachusetts zoning reform not enough to stimulate ADU production
Massachusetts cities issued over 1,200 applications for ADUs in the last year, short of the Healey administration's goal of 1,600 to 2,000 units per year.
ADUs accounted for 9% of new Maine building permits in 2025
Maine officials approved roughly 500 ADU permits last year.
New Idaho laws promote 'starter homes' with lots as small as 1,400 square feet
New bills require local governments to allow ADUs and higher-density development.
Chicago eliminates parking requirements near transit
In 2025, Illinois barred cities from mandating parking near train and bus stations.
What do the Gilmore Girls, Happy Days, and Full House have in common? ADUs.
American sitcoms are full of garage apartments, attic rooms, and pool houses. Why aren't our cities?
NYC’s ‘ADU for You’ Initiative Offers Pre-approved Plans and Financing Tools
The project pairs pre-approved plans with financing and other tools to help more homeowners build accessory units.
February Must-Reads: Top 10 Articles From Last Month
Transit agencies like BART and TriMet face lingering budget shortfalls, forcing major service cuts and layoffs, while federal plans to ban fare-free transit throw a wrench in NYC Mayor Mamdani’s proposal to make the city’s buses ‘fast and free.’
Salt Lake City Could Allow Backyard Homes on up to 3/4 of Residential Lots
A proposed zoning change would expand the residential areas where accessory units can be built.
Florida Senate Advances Law Allowing ADUs in All Residential Zones
The law would legalize ‘granny flats’ by-right in single-family zoned neighborhoods.
Massachusetts Zoning Reform Sparks ADU Surge
A 2024 law and a 2025 assistance program have spurred a flurry of ADU projects across the state.
“Multi-gen Floor Plans” and More: How Builders are Responding to the Multigenerational Housing Boom
After a decade-long decline, more Americans are living with parents, grandparents, and extended family, calling for new home designs and living arrangements.
Nashville Allows More Detached ADUs, Courtyard Apartments
The city has been considering a series of zoning reform bills designed to diversify housing options.
Columbus Introduces New Rules Allowing ADUs in all Residential Districts
The city’s recent zoning code updates include new rules for secondary housing units.
Maine Forces Cities to Allow at Least 2 ADUs on Residential Lots
A new state law bars local jurisdictions from restricting ADUs in residential areas.
San Diego County ADUs Account for Over 30% of New Housing Permits
A now-expired incentive helped boost ADU applications since 2021 while larger housing projects have stalled.
Chicago ADU Law Gives Alderpeople Veto Power
After years of debate, the city approved an ordinance that legalizes ADUs in some neighborhoods, but gives alderpeople the power to restrict them in single-family zones.
Amidst Colorado Affordability Crisis, Just 3% of Residential Land Zoned for Multifamily Housing
A new report suggests loosening restrictive zoning laws on multifamily development could help bring down high housing costs.
San Diego Votes to Rein in “Towering” ADUs
City council voted to limit the number of units in accessory buildings to six — after confronting backyard developments of up to 100 units behind a single family home.
Texas Legislature’s Surprising Pro-Housing Swing
Smaller homes on smaller lots, office to apartment conversions, and 40% less say for NIMBYs, vote state lawmakers.
FREE Course: Walkable City 1: Why Walkability?
After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.
Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold
The course focuses on the opportunities and imperatives that shape reinvention of mall sites.
Harvard University Graduate School of Design
KFH Group Inc.
Greater Baltimore Committee
The Architects Foundation
University of Cincinnati Online
The Pocatello Development Authority
The Urban Renewal Agency of the City of Pocatello
