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.

22 min read

Costs & Budgeting

How Much Does an ADU Cost in 2026? Real Prices by Type and Size

How much does an ADU cost in 2026? See national ranges by type, size, and hidden costs — plus a free ADU cost calculator.

25 min read

Financing

ADU Financing: Every Option Explained

From HELOCs to ADU-specific loans, construction loans, and cash-out refinances — find the right way to fund your ADU project.

10 min read

Regulations & PermitsCalifornia

California ADU Laws 2025: What to Know

California's ADU regulations have changed dramatically. Here's what setbacks, size limits, owner-occupancy rules, and AB 2221 mean for you.

14 min read

Floor Plans

Detached ADU Floor Plans: 15 Layouts

Explore 15 practical detached ADU floor plans from 400 to 1,200 sq ft. Includes studio, 1-bed, and 2-bed layouts with dimensions.

7 min read

Plan with Confidence

Every guide is backed by real project data and current regulations. No affiliate bias, no fluff — just the facts you need to make smart ADU decisions.

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Latest Guides

Recently published and updated articles.

Costs & Budgeting

ADU Cost Per Square Foot in 2026: Real Costs by Type & State

See real ADU cost per square foot in 2026 by type, size, and state. Compare detached, attached, garage, and prefab — with worked budget examples.

25 min read

Costs & Budgeting

Prefab ADU Cost: Real All-In Prices (2026)

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.

22 min read

Design & Interiors

ADU Design Ideas for Small Spaces

Maximize every square foot of your ADU with smart layout strategies, multi-functional furniture, and storage solutions that work.

7 min read

Costs & Budgeting

ADU vs. Home Addition: Which Is Best?

Compare ADUs to traditional home additions on cost, ROI, rental potential, and construction complexity. Side-by-side analysis.

8 min read

Regulations & Permits

What Is a JADU? Junior ADUs Explained

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.

6 min read

Financing

ADU Rental Income: What Can You Earn?

Calculate realistic ADU rental income by size, location, and market. Includes ROI timelines and rent vs. Airbnb comparison data.

9 min read

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