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ADU tips & guides

Practical advice on planning, budgeting, and building a backyard home — from first idea to final permit.

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ADU Planner for your accessory dwelling unit with 700 designs

Use our free ADU planner to explore pre-designed plans, get all-in estimates, and follow a clear permit-to-build path. Boost your home value 20–30%.

ADU Planner 15 milestones
ADU

Blog

Latest articles

Guides on costs, permits, financing, and floor plans — plus stories from real ADU builds.

In the sauna
Accessory Buildings

Sauna and Cold Plunge: Building Contrast Therapy at Home

Pair a backyard sauna with a cold plunge for contrast therapy. See the Sauna Plunge and Plunge Plus models, pricing, and Bay Area installation.

Privacy fence ideas
Accessory Buildings

Privacy Fence Ideas: Stylish & Secure Backyard Design Inspiration

Stylish privacy fence ideas for your backyard: wood, composite, metal, and vinyl options, with tips on materials, height, and design.

Small dwelling above garage
Accessory Buildings

Short Guide To Building ADU Above Garage

How to build an ADU above a garage: costs, structural and permit considerations, layout ideas, and whether it is right for your lot.

Drawing a site plan by hand as a DIY project
ADU

Site Plans for Fast Building Permit Applications

Learn what a site plan must include and how to create one for permit approval. Compare DIY, online services, and a licensed surveyor.

Three-car carriage house with apartment above the garage bays
Accessory Buildings

A Carriage House today: modern above-garage apartments

A guide to carriage houses: their history, design, zoning rules, and costs. Learn how converting one can boost property value and add flexible space.

Modern backyard cabin ideas
ADU

Backyard Cabin Ideas: Practical Design for Your Outdoor Retreat

Practical backyard cabin ideas covering style, materials, layout, and permits. Learn how to design a compact, comfortable outdoor retreat.

Backyard studio shed
Accessory Buildings

Custom sheds: quality outdoor structures

From home gyms to music studios, see how to plan, permit, and budget a custom shed, plus what foundations and finishes really cost.

Wooden livable shed with kitchen and bathroom in a residential backyard
ADU

The Benefits of Investing in Livable Sheds with Bathroom and Kitchen

What a livable shed with a kitchen and bathroom can add to your California property: permits, costs, foundations and rental income.

Outdoor kitchen with pizza oven and dining area
Accessory Buildings

10 Creative Outdoor Kitchen Design Ideas

Plan a backyard kitchen that earns its space — covered structures, stainless steel grills, prep stations, dining zones and more.

How to set up a backyard workout shed
Accessory Buildings

How To Setup A Workout Shed In Your Backyard?

Planning a backyard workout shed? Here is what it really costs, where to put it, and how to pick the right foundation and ventilation.