https://dwellingindex.com/ Expert guides on ADU costs, regulations, financing, and construction. Updated for 2026. Used by 40,000+ homeowners planning their ADU. en-us Thu, 09 Apr 2026 01:53:12 GMT https://dwellingindex.com/articles/adu-cost-per-square-foot/ https://dwellingindex.com/articles/adu-cost-per-square-foot/ See real ADU cost per square foot in 2026 by type, size, and state. Compare detached, attached, garage, and prefab — with worked budget examples. Mon, 30 Mar 2026 00:00:00 GMT costs https://dwellingindex.com/articles/prefab-adu-cost/ https://dwellingindex.com/articles/prefab-adu-cost/ Prefab ADU cost isn't just the sticker price. See real installed prices by size and brand, compare prefab vs. site-built, and learn what drives the total. Mon, 30 Mar 2026 00:00:00 GMT costs https://dwellingindex.com/articles/adu-design-ideas-small-spaces/ https://dwellingindex.com/articles/adu-design-ideas-small-spaces/ Maximize every square foot of your ADU with smart layout strategies, multi-functional furniture, and storage solutions that work. Mon, 10 Mar 2025 00:00:00 GMT design https://dwellingindex.com/articles/adu-vs-traditional-home-addition/ https://dwellingindex.com/articles/adu-vs-traditional-home-addition/ Compare ADUs to traditional home additions on cost, ROI, rental potential, and construction complexity. Side-by-side analysis. Wed, 05 Mar 2025 00:00:00 GMT costs https://dwellingindex.com/articles/what-is-a-jadu/ https://dwellingindex.com/articles/what-is-a-jadu/ A Junior ADU (JADU) is an ADU under 500 sq ft inside your primary home. Learn the rules, costs, and when a JADU beats a full ADU. Sat, 01 Mar 2025 00:00:00 GMT regulations https://dwellingindex.com/articles/adu-rental-income-calculator/ https://dwellingindex.com/articles/adu-rental-income-calculator/ Calculate realistic ADU rental income by size, location, and market. Includes ROI timelines and rent vs. Airbnb comparison data. Tue, 25 Feb 2025 00:00:00 GMT financing https://dwellingindex.com/articles/best-adu-builders-los-angeles/ https://dwellingindex.com/articles/best-adu-builders-los-angeles/ We reviewed 40+ LA ADU contractors. Here are the top 10 rated by cost, timeline, design quality, and homeowner satisfaction. Thu, 20 Feb 2025 00:00:00 GMT builder-guide https://dwellingindex.com/articles/garage-conversion-adu-guide/ https://dwellingindex.com/articles/garage-conversion-adu-guide/ Turn your attached or detached garage into a legal ADU. Costs, permits, insulation, HVAC, and everything you need to know. Sat, 15 Feb 2025 00:00:00 GMT builder-guide https://dwellingindex.com/articles/detached-adu-floor-plans/ https://dwellingindex.com/articles/detached-adu-floor-plans/ Explore 15 practical detached ADU floor plans from 400 to 1,200 sq ft. Includes studio, 1-bed, and 2-bed layouts with dimensions. Mon, 10 Feb 2025 00:00:00 GMT floor-plans https://dwellingindex.com/articles/adu-permit-process-explained/ https://dwellingindex.com/articles/adu-permit-process-explained/ Navigate the ADU permit process with confidence. We cover pre-application, plan review, inspections, and Certificate of Occupancy. Wed, 05 Feb 2025 00:00:00 GMT regulations https://dwellingindex.com/articles/california-adu-laws-2025/ https://dwellingindex.com/articles/california-adu-laws-2025/ California's ADU regulations have changed dramatically. Here's what setbacks, size limits, owner-occupancy rules, and AB 2221 mean for you. Sat, 01 Feb 2025 00:00:00 GMT regulations https://dwellingindex.com/articles/adu-financing-options/ https://dwellingindex.com/articles/adu-financing-options/ From HELOCs to ADU-specific loans, construction loans, and cash-out refinances — find the right way to fund your ADU project. Sat, 25 Jan 2025 00:00:00 GMT financing https://dwellingindex.com/articles/how-much-does-an-adu-cost/ https://dwellingindex.com/articles/how-much-does-an-adu-cost/ How much does an ADU cost in 2026? See national ranges by type, size, and hidden costs — plus a free ADU cost calculator. Wed, 15 Jan 2025 00:00:00 GMT costs