Expert guides, law updates, cost analyses, and city-by-city insights for ADU homeowners.
Chicago's coach house is legal again. On April 1, 2026 the city's Additional Dwelling Unit pilot became a permanent citywide ordinance, after City Cou...
Read more →Every county and municipality in Maryland with planning and zoning authority has until October 1, 2026 to adopt a local law authorizi...
Read more →The ADU landscape is shifting faster than ever. In 2026 alone, multiple states have passed landmark legislation making it easier for homeowners to bui...
Read more →ADU construction costs vary wildly depending on where you live — from $80K for a garage conversion in Tucson to $400K+ for a detached unit in San Fran...
Read more →Homeowners often use terms like ADU, guest house, granny flat, in-law suite, and casita interchangeably — but legally, they can mean very different th...
Read more →Until recently, you could not sell an ADU separately from the main house in any US state. California's AB 1033, which took effect in 2024, changed tha...
Read more →An estimated 50,000-100,000 unpermitted ADUs exist across California. If you have one, 2026 is the best time to legalize it. California's amnesty prog...
Read more →Homeowners looking to add living space face a big decision: build an accessory dwelling unit or add onto the existing house? Both options increase squ...
Read more →Many homeowners use 'ADU' and 'mother-in-law suite' interchangeably, but the legal distinctions between these terms can make or break your project. On...
Read more →California continues to push the most aggressive ADU legislation in the country. Effective January 1, 2026, four new bills reshape the landscape: AB 4...
Read more →Florida's Senate Bill 48 — which would have required every city and county to allow accessory dwelling units — has now failed twice. The 2025 version ...
Read more →The honest answer most homeowners do not want to hear: in most of the country, yes — your HOA can legally stop you from building an ADU, even when you...
Read more →The most common question homeowners ask is: can I actually build an ADU on my property? The answer depends on your city's zoning rules, your lot size,...
Read more →Converting a garage into an accessory dwelling unit is the fastest, most affordable path to adding a rental unit or family housing to your property. G...
Read more →The Inland Empire is one of California's best-kept secrets for ADU investment. Construction costs are 30-40% lower than coastal cities, rental demand ...
Read more →Most ADU projects are financed one of two ways: a home equity line of credit (HELOC) drawn against the equity you already have, or a construction loan...
Read more →A detached ADU costs $150K-$300K in most markets — more than most households have in cash. The good news: an ADU is one of the few home projects that ...
Read more →It is the most logical question in ADU financing: the unit will rent for $1,800/month, so why won't the lender count that income when qualifying me fo...
Read more →On February 2, 2025, Section 8 of the Massachusetts Affordable Homes Act took effect, making accessory dwelling units legal by right on single-family ...
Read more →Washington's House Bill 1337, passed in 2023, is one of the strongest state ADU laws in the country — and as of July 1, 2025, it is fully in force acr...
Read more →Arizona's "casita law" — House Bill 2720, signed May 21, 2024 and codified at A.R.S. § 9-461.18 — hit its compliance deadline on January 1, 2025. Sinc...
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