Expert guides, law updates, cost analyses, and city-by-city insights for ADU homeowners.
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 →Not all cities are created equal when it comes to ADU development. We scored 50 cities across 14 states on zoning flexibility, permit costs, approval ...
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 →Subscribe to get the latest ADU law changes, cost data, and guides delivered to your inbox.
Subscribe for Updates →